Using the speed feedback signal of the information radar servo system, the positional stabilization loop is formed. It solves the problem of the slow antenna excursion when input signal of the information radar servo system equals to zero. 利用情报雷达伺服系统的速度反馈信号,构成一个位置稳定回路,解决情报雷达伺服系统输入信号为零时,雷达天线产生缓慢漂移的问题。
But in open loop system, Σ-Δ modulation can only assure the high SNDR of input signal not the output signal because of the noise and nonlinearity introduced by power intermediate stages. 但在开环系统中,∑-Δ调制技术只能保证输入信号具有较高的SNDR,但对于中间级产生的非线性失真和噪声则变得无能为力。
In the two conditions magnetic field strength& strain relation of GMM appeared hysteresis loop character. The loop curve was obtained by computer reconstruction of input current and output signal data. 两种情况下GMM的磁场强度&应变关系都是回线特性,利用传感系统的电流输入信号与输出电平的关系通过数据重建,求得了这些回线关系。
A new method of realizing sampled A/ D transformation by phase-locked loop was presented. Applying pll frequency transformation to, the input signals, an equivalent sample delayed signal hi was obtained. 本文提出一种利用锁相环实现取样式A/D转换的新方法,通过锁相环对输入信号进行频率变换,获得一等效延时△t的采样信号;
Phase-locked loop ( PLL) is a circuit which can synchronize its output signal with an input reference signal in frequency. It's a fundamental and very important module in analog and mixed-signal integrated circuits. 锁相环是一种输出信号在频率上能够与输入参考信号同步的电路系统,它是模拟及数模混合电路中的一个基本的并且非常重要的模块。
The output signal of the outer loop acts as the input signal of the inner loop. The inner loop engenders a synchronism drive signal to control current. 控制器由内环和外环两部分组成,外环的输出信号作为内环所需的输入信号,内环产生一个同步驱动信号,实现对电流的快速控制。
If use the phase-locked loop technology on clock synchronization, the output signal of the clock accuracy and stability directly dependent on the input reference signal. 锁相环是一种让输出信号在频率和相位上与输入参考信号同步的技术,输出信号的时钟准确度和稳定性直接依赖于输入参考信号。
Phase locked loop ( PLL) is an automation system which can synchronize an output feedback signal with a reference or input signal in frequency as well as in phase. 锁相环是一个能够实现输入和反馈信号的频率、相位保持同步的自动控制系统。
The Phase-Locked Loop ( PLL) is synchronizing circuit which can make the input reference signal exactly consist with the output signal in phase and frequency. 锁相环(Phase-LockedLoop,PLL)是一种使输入参考信号与输出信号在相位和频率完全一致的同步电路。
Aiming at reference phase loop, the frequency characteristic of HRG is analyzed, and the control project by the phase-locked loop is designed. Then the problem that the input and output signal of HRG has different frequency is solved. 3. 针对频率跟踪控制回路,分析了半球谐振陀螺的频率特性,设计了数字锁相环的控制方案,解决了半球谐振陀螺激励信号与输出信号频率不一致的问题。