The operating principle and performance of fractional-N phase locked loop (FNPLL) are described in detail, and the methods of suppressing FNPLL phase modulation sideband are introduced.
较详细介绍了分数分频锁相环的工作原理和特性，以及抑制分数分频锁相环相位调制边带的方法。
Vestigial Sideband modulation (VSB) is used in traditional TV broadcasting.
残留边带调制(VSB)已用于现行电视的广播传输中。
This is a single sideband modulation source, for the signal and the signal has been modulated spectrum.
说明：这是单边带调制源码，求消息信号和已调信号的频谱。
Amplitude modulation is divided into 4 ways: am (amplitude), DSB (bilateral with carrier suppression modulation), SSB (single sideband modulation), VSB (VSB).
振幅调制分为4种方式：AM(普通调幅)、DSB(抑制载波双边带调幅)、SSB(单边带调幅)、VSB(残留边带调幅)。
Quadrature Sideband Amplitude Modulation?
正交边带调幅QSAM ？
Quadrature Sideband Amplitude Modulation?
正交边带调幅QSAM ？
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