GET https://dev.normadoc.fr/_fragment?_path=_format%3Dhtml%26_locale%3Den_US%26_controller%3DSylius%255CPayPalPlugin%255CController%255CPayPalButtonsController%253A…

Response
200 OK
IP
216.73.216.149
Profiled on
Token
b42ac5

Forms

  • sylius_add_to_cart
    • cartItem
    • _token

sylius_add_to_cart

Form type: 
"Sylius\Bundle\CoreBundle\Form\Type\Order\AddToCartType"

Errors

This form has no errors.

Default Data

Property Value
Model Format same as normalized format
Normalized Format 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#106957
  -cart: App\Entity\Order\Order {#13364 …}
  -cartItem: App\Entity\Order\OrderItem {#106945
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#106969 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#106970 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8103
      #id: 8735
      #code: "IEEE00010560PDF"
      #product: App\Entity\Product\Product {#7310
        #id: 12735
        #code: "IEEE00010560"
        #attributes: Doctrine\ORM\PersistentCollection {#7700 …}
        #variants: Doctrine\ORM\PersistentCollection {#7743 …}
        #options: Doctrine\ORM\PersistentCollection {#7915
          #collection: Doctrine\Common\Collections\ArrayCollection {#7917 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7310}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199959 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7899 …}
        #createdAt: DateTime @1751040626 {#7274
          date: 2025-06-27 18:10:26.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754608642 {#7322
          date: 2025-08-08 01:17:22.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7921 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7920
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7310}
            #id: 45949
            #name: "IEEE 1765:2022"
            #slug: "ieee-1765-2022-ieee00010560-244390"
            #description: """
              New IEEE Standard - Active.<br />\n
              Recommended practices for the evaluation of receiver measurements of error vector magnitude of a digitally modulated wireless communication signal and the evaluation of the associated uncertainty are provided in this recommended practice. NOTE: Source codes are available at https://opensource.ieee.org/1765/1765/<br />\n
              \t\t\t\t<br />\n
              This standard provides recommended practices for the determination of uncertainty in the estimation of error vector magnitude (EVM) of a measured digitally modulated wireless communication signal. Such practices include several methods for validating a user’s measurement of a specific reference waveform by comparison to a reference measurement. The methods differ based on the level of rigor desired by the user and the accessibility to timing and waveform recording capabilities of the available hardware. Methods for evaluating measurement uncertainty in EVM are also presented. Some of the methods described here focus on measurements and uncertainties related to the use of laboratory-based measurement equipment such as vector receivers, real-time and equivalent-time sampling oscilloscopes and other types of waveform recorders that have access to the measured waveform. This allows time-alignment and gain normalization of measured waveforms prior to the calculation of EVM. Other methods focus on specialized receivers that report symbols directly. As part of the assessment of the measurement hardware and associated uncertainty analyses, this practice includes a mathematically rigorous method for the determination of EVM.<br />\n
              The purpose of this recommended practice is to provide a standardized approach to assess the impact of the receiver hardware performance on a measurement-based estimate of the EVM of a distorted signal. This is done by comparing a user’s measurement to a reference measurement of a specific waveform. The reference measurement is intended to provide a well-characterized estimate of the EVM, to which the user’s measurement and associated uncertainty are compared. In addition to the IEEE 1765 baseline approach to estimating EVM, various example approaches to validating receiver measurements of EVM are provided in this recommended practice.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for Estimating the Uncertainty in Error Vector Magnitude of Measured Digitally Modulated Signals for Wireless Communications"
            -notes: "Active"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7533 …}
        #channels: Doctrine\ORM\PersistentCollection {#7627 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7311 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7612 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7644 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7325 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7389 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1668985200 {#7292
          date: 2022-11-21 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @1668121200 {#7318
          date: 2022-11-11 00:00:00.0 Europe/Paris (+01:00)
        }
        -releasedAt: null
        -confirmedAt: null
        -canceledAt: null
        -edition: null
        -coreDocument: "1765"
        -bookCollection: ""
        -pageCount: 105
        -documents: Doctrine\ORM\PersistentCollection {#7464 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7499 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8319 …}
      #position: 0
      #createdAt: DateTime @1751041373 {#7283
        date: 2025-06-27 18:22:53.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755612046 {#8120
        date: 2025-08-19 16:00:46.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8263 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93368
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8103}
          #id: 8822
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8135 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8297 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8294 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8102
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-1-5044-8873-0"
      -ean: "9781504488730"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/aanefN"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8131 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8123 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
View Format same as normalized format

Submitted Data

This form was not submitted.

Passed Options

Option Passed Value Resolved Value
data 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#106957
  -cart: App\Entity\Order\Order {#13364 …}
  -cartItem: App\Entity\Order\OrderItem {#106945
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#106969 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#106970 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8103
      #id: 8735
      #code: "IEEE00010560PDF"
      #product: App\Entity\Product\Product {#7310
        #id: 12735
        #code: "IEEE00010560"
        #attributes: Doctrine\ORM\PersistentCollection {#7700 …}
        #variants: Doctrine\ORM\PersistentCollection {#7743 …}
        #options: Doctrine\ORM\PersistentCollection {#7915
          #collection: Doctrine\Common\Collections\ArrayCollection {#7917 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7310}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199959 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7899 …}
        #createdAt: DateTime @1751040626 {#7274
          date: 2025-06-27 18:10:26.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754608642 {#7322
          date: 2025-08-08 01:17:22.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7921 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7920
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7310}
            #id: 45949
            #name: "IEEE 1765:2022"
            #slug: "ieee-1765-2022-ieee00010560-244390"
            #description: """
              New IEEE Standard - Active.<br />\n
              Recommended practices for the evaluation of receiver measurements of error vector magnitude of a digitally modulated wireless communication signal and the evaluation of the associated uncertainty are provided in this recommended practice. NOTE: Source codes are available at https://opensource.ieee.org/1765/1765/<br />\n
              \t\t\t\t<br />\n
              This standard provides recommended practices for the determination of uncertainty in the estimation of error vector magnitude (EVM) of a measured digitally modulated wireless communication signal. Such practices include several methods for validating a user’s measurement of a specific reference waveform by comparison to a reference measurement. The methods differ based on the level of rigor desired by the user and the accessibility to timing and waveform recording capabilities of the available hardware. Methods for evaluating measurement uncertainty in EVM are also presented. Some of the methods described here focus on measurements and uncertainties related to the use of laboratory-based measurement equipment such as vector receivers, real-time and equivalent-time sampling oscilloscopes and other types of waveform recorders that have access to the measured waveform. This allows time-alignment and gain normalization of measured waveforms prior to the calculation of EVM. Other methods focus on specialized receivers that report symbols directly. As part of the assessment of the measurement hardware and associated uncertainty analyses, this practice includes a mathematically rigorous method for the determination of EVM.<br />\n
              The purpose of this recommended practice is to provide a standardized approach to assess the impact of the receiver hardware performance on a measurement-based estimate of the EVM of a distorted signal. This is done by comparing a user’s measurement to a reference measurement of a specific waveform. The reference measurement is intended to provide a well-characterized estimate of the EVM, to which the user’s measurement and associated uncertainty are compared. In addition to the IEEE 1765 baseline approach to estimating EVM, various example approaches to validating receiver measurements of EVM are provided in this recommended practice.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for Estimating the Uncertainty in Error Vector Magnitude of Measured Digitally Modulated Signals for Wireless Communications"
            -notes: "Active"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7533 …}
        #channels: Doctrine\ORM\PersistentCollection {#7627 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7311 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7612 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7644 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7325 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7389 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1668985200 {#7292
          date: 2022-11-21 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @1668121200 {#7318
          date: 2022-11-11 00:00:00.0 Europe/Paris (+01:00)
        }
        -releasedAt: null
        -confirmedAt: null
        -canceledAt: null
        -edition: null
        -coreDocument: "1765"
        -bookCollection: ""
        -pageCount: 105
        -documents: Doctrine\ORM\PersistentCollection {#7464 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7499 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8319 …}
      #position: 0
      #createdAt: DateTime @1751041373 {#7283
        date: 2025-06-27 18:22:53.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755612046 {#8120
        date: 2025-08-19 16:00:46.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8263 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93368
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8103}
          #id: 8822
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8135 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8297 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8294 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8102
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-1-5044-8873-0"
      -ean: "9781504488730"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/aanefN"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8131 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8123 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
 same as passed value
product 
App\Entity\Product\Product {#7310
  #id: 12735
  #code: "IEEE00010560"
  #attributes: Doctrine\ORM\PersistentCollection {#7700 …}
  #variants: Doctrine\ORM\PersistentCollection {#7743 …}
  #options: Doctrine\ORM\PersistentCollection {#7915
    #collection: Doctrine\Common\Collections\ArrayCollection {#7917 …}
    #initialized: true
    -snapshot: [ …4]
    -owner: App\Entity\Product\Product {#7310}
    -association: [ …21]
    -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
    -backRefFieldName: null
    -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199959 …}
    -isDirty: false
  }
  #associations: Doctrine\ORM\PersistentCollection {#7899 …}
  #createdAt: DateTime @1751040626 {#7274
    date: 2025-06-27 18:10:26.0 Europe/Paris (+02:00)
  }
  #updatedAt: DateTime @1754608642 {#7322
    date: 2025-08-08 01:17:22.0 Europe/Paris (+02:00)
  }
  #enabled: true
  #translations: Doctrine\ORM\PersistentCollection {#7921 …}
  #translationsCache: [
    "en_US" => App\Entity\Product\ProductTranslation {#7920
      #locale: "en_US"
      #translatable: App\Entity\Product\Product {#7310}
      #id: 45949
      #name: "IEEE 1765:2022"
      #slug: "ieee-1765-2022-ieee00010560-244390"
      #description: """
        New IEEE Standard - Active.<br />\n
        Recommended practices for the evaluation of receiver measurements of error vector magnitude of a digitally modulated wireless communication signal and the evaluation of the associated uncertainty are provided in this recommended practice. NOTE: Source codes are available at https://opensource.ieee.org/1765/1765/<br />\n
        \t\t\t\t<br />\n
        This standard provides recommended practices for the determination of uncertainty in the estimation of error vector magnitude (EVM) of a measured digitally modulated wireless communication signal. Such practices include several methods for validating a user’s measurement of a specific reference waveform by comparison to a reference measurement. The methods differ based on the level of rigor desired by the user and the accessibility to timing and waveform recording capabilities of the available hardware. Methods for evaluating measurement uncertainty in EVM are also presented. Some of the methods described here focus on measurements and uncertainties related to the use of laboratory-based measurement equipment such as vector receivers, real-time and equivalent-time sampling oscilloscopes and other types of waveform recorders that have access to the measured waveform. This allows time-alignment and gain normalization of measured waveforms prior to the calculation of EVM. Other methods focus on specialized receivers that report symbols directly. As part of the assessment of the measurement hardware and associated uncertainty analyses, this practice includes a mathematically rigorous method for the determination of EVM.<br />\n
        The purpose of this recommended practice is to provide a standardized approach to assess the impact of the receiver hardware performance on a measurement-based estimate of the EVM of a distorted signal. This is done by comparing a user’s measurement to a reference measurement of a specific waveform. The reference measurement is intended to provide a well-characterized estimate of the EVM, to which the user’s measurement and associated uncertainty are compared. In addition to the IEEE 1765 baseline approach to estimating EVM, various example approaches to validating receiver measurements of EVM are provided in this recommended practice.
        """
      #metaKeywords: null
      #metaDescription: null
      #shortDescription: "IEEE Recommended Practice for Estimating the Uncertainty in Error Vector Magnitude of Measured Digitally Modulated Signals for Wireless Communications"
      -notes: "Active"
    }
  ]
  #currentLocale: "en_US"
  #currentTranslation: null
  #fallbackLocale: "en_US"
  #variantSelectionMethod: "match"
  #productTaxons: Doctrine\ORM\PersistentCollection {#7533 …}
  #channels: Doctrine\ORM\PersistentCollection {#7627 …}
  #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7311 …}
  #reviews: Doctrine\ORM\PersistentCollection {#7612 …}
  #averageRating: 0.0
  #images: Doctrine\ORM\PersistentCollection {#7644 …}
  -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7325 …}
  -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7389 …}
  -apiLastModifiedAt: DateTime @1754517600 {#7317
    date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
  }
  -lastUpdatedAt: DateTime @1668985200 {#7292
    date: 2022-11-21 00:00:00.0 Europe/Paris (+01:00)
  }
  -author: ""
  -publishedAt: DateTime @1668121200 {#7318
    date: 2022-11-11 00:00:00.0 Europe/Paris (+01:00)
  }
  -releasedAt: null
  -confirmedAt: null
  -canceledAt: null
  -edition: null
  -coreDocument: "1765"
  -bookCollection: ""
  -pageCount: 105
  -documents: Doctrine\ORM\PersistentCollection {#7464 …}
  -favorites: Doctrine\ORM\PersistentCollection {#7499 …}
}
 same as passed value

Resolved Options

Option Value
action 
""
allow_extra_fields 
false
allow_file_upload 
false
attr 
[]
attr_translation_parameters 
[]
auto_initialize 
true
block_name 
null
block_prefix 
null
by_reference 
true
compound 
true
constraints 
[]
csrf_field_name 
"_token"
csrf_message 
"The CSRF token is invalid. Please try to resubmit the form."
csrf_protection 
true
csrf_token_id 
null
csrf_token_manager 
Symfony\Component\Security\Csrf\CsrfTokenManager {#106977
  -generator: Symfony\Component\Security\Csrf\TokenGenerator\UriSafeTokenGenerator {#106978 …}
  -storage: Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage {#106979 …}
  -namespace: Closure() {#106981 …}
}
data 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#106957
  -cart: App\Entity\Order\Order {#13364 …}
  -cartItem: App\Entity\Order\OrderItem {#106945
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#106969 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#106970 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8103
      #id: 8735
      #code: "IEEE00010560PDF"
      #product: App\Entity\Product\Product {#7310
        #id: 12735
        #code: "IEEE00010560"
        #attributes: Doctrine\ORM\PersistentCollection {#7700 …}
        #variants: Doctrine\ORM\PersistentCollection {#7743 …}
        #options: Doctrine\ORM\PersistentCollection {#7915
          #collection: Doctrine\Common\Collections\ArrayCollection {#7917 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7310}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199959 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7899 …}
        #createdAt: DateTime @1751040626 {#7274
          date: 2025-06-27 18:10:26.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754608642 {#7322
          date: 2025-08-08 01:17:22.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7921 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7920
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7310}
            #id: 45949
            #name: "IEEE 1765:2022"
            #slug: "ieee-1765-2022-ieee00010560-244390"
            #description: """
              New IEEE Standard - Active.<br />\n
              Recommended practices for the evaluation of receiver measurements of error vector magnitude of a digitally modulated wireless communication signal and the evaluation of the associated uncertainty are provided in this recommended practice. NOTE: Source codes are available at https://opensource.ieee.org/1765/1765/<br />\n
              \t\t\t\t<br />\n
              This standard provides recommended practices for the determination of uncertainty in the estimation of error vector magnitude (EVM) of a measured digitally modulated wireless communication signal. Such practices include several methods for validating a user’s measurement of a specific reference waveform by comparison to a reference measurement. The methods differ based on the level of rigor desired by the user and the accessibility to timing and waveform recording capabilities of the available hardware. Methods for evaluating measurement uncertainty in EVM are also presented. Some of the methods described here focus on measurements and uncertainties related to the use of laboratory-based measurement equipment such as vector receivers, real-time and equivalent-time sampling oscilloscopes and other types of waveform recorders that have access to the measured waveform. This allows time-alignment and gain normalization of measured waveforms prior to the calculation of EVM. Other methods focus on specialized receivers that report symbols directly. As part of the assessment of the measurement hardware and associated uncertainty analyses, this practice includes a mathematically rigorous method for the determination of EVM.<br />\n
              The purpose of this recommended practice is to provide a standardized approach to assess the impact of the receiver hardware performance on a measurement-based estimate of the EVM of a distorted signal. This is done by comparing a user’s measurement to a reference measurement of a specific waveform. The reference measurement is intended to provide a well-characterized estimate of the EVM, to which the user’s measurement and associated uncertainty are compared. In addition to the IEEE 1765 baseline approach to estimating EVM, various example approaches to validating receiver measurements of EVM are provided in this recommended practice.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for Estimating the Uncertainty in Error Vector Magnitude of Measured Digitally Modulated Signals for Wireless Communications"
            -notes: "Active"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7533 …}
        #channels: Doctrine\ORM\PersistentCollection {#7627 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7311 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7612 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7644 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7325 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7389 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
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