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GB/T 4958.2-1988 English PDF

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GB/T 4958.2-1988: Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section Two Measurements in the basehand
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4958.2-1988English159 Add to Cart 3 days [Need to translate] Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section Two Measurements in the basehand Obsolete GB/T 4958.2-1988

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Basic data

Standard ID GB/T 4958.2-1988 (GB/T4958.2-1988)
Description (Translated English) Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section Two Measurements in the basehand
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M34
Classification of International Standard 33.060.30
Word Count Estimation 3,341
Date of Issue 4/13/1988
Date of Implementation 1/1/1989
Adopted Standard IEC 60487-3-2-1981, IDT
Issuing agency(ies) National Bureau of Standards
Summary This standard specifies the baseband measurements are generally measured at the input of the modulation and demodulation machine machine output of conduct, not including attached terminal equipment, such as a specific type of baseband signal associated with pre-emphasis and de-emphasis network network. This section does not include random noise, periodic noise and impulse noise measurements. Because these noise level is only through a specific type of baseband signal associated with them, and use the corresponding de-emphasis network and weighted network, it may make a meaningful evaluation. And frequency division multiplexing telephone, television and audio programs about the various measurements are given in the appropriate sections in Part III of this standard.

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