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- It also introduces some key technologies as measurement initialization and frequency tracking in signal processing of Coriolis flowmeter. 介绍科氏流量计信号处理中测量初始化和频率跟踪等几个关键技术。
- It also incluses a phase locking loop (PLL) simulation used for frequency tracking of CMF. 还包括用于频率跟踪的锁相环仿真 ,锁相环可以极好地平滑噪声 ,跟踪频率变化 ,最终用于计算两路信号相位差。
- Frequency tracking and phase synchronous are useful to elim inate the frequency leakage in signal an alysis. 频率跟踪和相位同步，能消除信号分析中的频谱泄漏。
- The process of frequency tracking is described as the problem of searching for one dimension fluctuant extremum. 然后,结合自寻最优自适应控制方法和模糊控制方法。
- The later is mainly caused by frequency tracking and measurement of PMU, the signal filter delay and the digital algorithm. 异地同步方法误差远小于同步测量环节本身的误差 ,后者主要由PMU的频率跟踪与测量、信号滤波延迟以及数值算法等环节引起 ;
- A frequency tracking method is proposed.The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference. 本文提出一种频率跟踪方法，可以在不过零开始采样的情况下，实现整周期采样，保证频率和相位差测量的精度。
- The system design method proposed by the paper examines the frequency tracking accuracy of the frequency agile radar synthesis detection unit at intermediate frequency. 本文提出了通过系统设计的方法将频率捷变雷达综合测试仪频率跟踪精度的检定在中频进行。
- It is unnecessary to use frequency conversion adjustment because it is designed with full digital press frequency tracking circuit and good adaptability. 全数字式压频跟踪电路设计,良好的自适应性,无须变频调节;
- Introduced a kind of new method by means of frequency track method to measure cutting power of woodworking machines. 介绍了一种用频率跟踪法测量木工机床切削功率的新方法。
- In addition, overlap - adding ( OLA) technique and frequency tracking technique are presented in order to improve the articulation of synthetic waveform. 在编码处理过程中,我们应用了语音叠加技术和频率轨迹跟踪技术,以提高合成语音的清晰度。
- Tracking is the part of the baseband signal processing.The carrier phase tracking loop, the carrier frequency tracking loop, and the code tracking loop are the three tracking loops in receiver. 追踪是基频讯号处理的一部分，再接收机中有三个追踪迴路，其分别为载波相位追踪迴路、载波频率追踪迴路及码追踪迴路。
- This equipment can adapt to the situation that the peening load varies strongly, and not only realize accurate frequency tracking, but also ensure the peening quality and efficiency. 该装置能够适应超声冲击这种负载变化十分剧烈的场合，并可实现准确的频率跟踪和保证冲击处理的质量及效率。
- Frequency Tracking Circuit for Ultrasonic Generator 超声波发生器的频率跟踪电路
- Frequency Tracking System of USM Drive Power 超声电机驱动电源频率跟踪系统的研究
- PLL automatic frequency tracking 锁相环自动频率跟踪
- Cross-product frequency tracking 叉积鉴频器
- Resonant Frequency Tracking System 谐振频率跟踪系统
- Single chip computer frequency tracking 单片机频率跟踪
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
