这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
分析了基准信号相位发生误差的原因，并给出了相位误差的分布情况。
The reasons to the error of phase of postulate signal are analyzed and the distribution of the drift of phase is given.
采用基准信号作触发，分别对内、外转子进行同步采样，就可直接获取各转子相应的振动幅值和相位。
Magnitudes and phase values of unbalanced weights are obtained directly by sampling the vibration signal synchronized with reference signal.
相位频率检测器比较基准时钟信号和反馈时钟信号从而在一个或更多个输出信号中生成脉冲。
A phase frequency detector compares a reference clock signal to a feedback clock signal to generate pulses in one or more output signals.
当基准和反馈时钟信号的相位和频率相同时，PLL处于锁定模式，且PFD输出信号中不生成脉冲。
When the phase and frequency of the reference and feedback clock signals are the same, the PLL is in lock mode, and the PFD does not generate pulses in its output signals.
相位比较器比较基准时钟和输出时钟的相位，并输出相位比较信号。
A phase comparator compares the phase of the reference clock with that of the output clock and outputs a phase comparison signal.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
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