标准摘要
[中文适用范围]： 涵盖了用于确定音频带宽通常不超过 10 kHz 的发射机性能的定义、条件和测量方法，用于传输语音和其他类型的信号，使用单边带幅度调制，具有完全、减少或抑制载体。本标准旨在与 IEC 489-1 结合使用。 [外文原描述]： Covers the definitions, the conditions and the methods of measurement used to ascertain the performance of transmitters having audio-frequency bandwidths generally not exceeding 10 kHz for the transmission of voice and other types of signals, using single-sideband amplitude modulation with full, reduced or suppressed carrier. This standard is intended to be used in conjunction with IEC 489-1.
英文名称Methods of measurement for radio equipment used in the mobile services - Part 4: Transmitters employing single-sideband emissions (A3A, A3H or A3J)