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GB/T 15860-2011 激光唱机通用规范GB/T 15860-2011.General specification for compact disc players.GB/T 15860规定了激光(CD)唱机的技术要求、试验方法、检验规则和标志,包装.运输贮存。GB/T 15860适用于各种CD唱机以及各种音频系统中的CD部分,其他类似产...
09/14 2023
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GB/T 2846-2011 调幅广播收音机测量方法GB/T 2846-2011.Methods of measurement on radio receivers for AM broadcast transmissions.结果表达;测量结果可以用信噪比与输入信号电平的函敷关系曲线来表示。输人信号电平以微伏或微伏/米为单位,表示在对数横坐标上。若...
09/14 2023
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GB/T 2018-2011 磁带录音机测量方法GB/T 2018-2011.Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape.5.16.1放音通道 平衡将磁平测试带在一-通道调釗额定...
09/14 2023
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GB/T 6163-2011 调频广播接收机测量方法GB/T 6163-2011.Methods of measurement on radio receivers for FM broadcast transmissions.22.1测量方法调制频率为98 MHz,頻偏为75 kHz,输入电平70 dBf,输出最大调谐,将音量放置于最大位置。有载交...
09/14 2023
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GB/T 9029-2011 录放音设备抖晃测量方法GB/T 9029-2011.Methods of the measurement of speed fluctuations in sound recording and reproducing equipment.GB/T 9029规定了采用计权峰值技术的设备的抖晃测量方法。GB/T 9029适...
09/14 2023
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GB/T 27507-2011 35mm和70mm电影倒片轴尺寸GB/T 27507-2011.Rewind spindles for 35 mm and 70 mm motion picture-Dimensions.1范围GB/T 27507规定了用于35 mm和70 mm电影放映机,规格为8 mm(5/16 in)和12. 7 mm(1/2 in)电影倒片...
09/14 2023
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GB/T 28161-2011 数字电视广播业务信息规范GB/T 28161-2011.Specification of service information for digital television broadcasting.GB/T 28161规定了数字电视广播业务信息(SI)数据,这些数据是数字电视广播码流的组成部分,帮助用户从码流中选择业务...
09/14 2023
