The operating principle and performance of fractional-N phase locked loop (FNPLL) are described in detail, and the methods of suppressing FNPLL phase modulationsideband 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。
2
Vestigial Sidebandmodulation (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。
3
This is a single sidebandmodulation source, for the signal and the signal has been modulated spectrum.