W is the radian frequency deviation from the center frequency.
W是角频率与中心频率的偏离值。
A developed linear VCXO with wide frequency deviation has acquired better results.
研制的宽频偏线性压控晶体振荡器取得了较好的结果。
Amplitude deviation, frequency deviation and phase deviation are basic power quality disturbances.
电力系统基波幅值、相位、频率扰动是最基本的电能质量扰动。
The estimation of frequency deviation range will be expanded with rational training sequence length.
同时通过合理设计训练序列的长度,可扩大频偏估计范围。
However we want to get the least absolute value of frequency deviation not the least square sum of it.
但是实际需要的是使频率偏差的绝对值最小而不是频率偏差的平方和最小。
The algorithm features the large estimation range for carrier frequency deviation and high estimation accuracy.
该算法具有较大的估计载波频率偏差的范围和较高的估计精度。
An improved pitch control scheme is presented by introducing a frequency deviation signal into the control system.
提出了一种改进的桨距角控制方案——将系统频率偏差信号引入桨距角控制系统。
A simple standard frequency tunable method which can be used to measure frequency switching time under the rated frequency deviation is presented.
描述了一种能在额定频差下测量频率转换时间的简便方法——标频调偏法。
According to the fundamental principle of correlation function, the effect of measuring accuracy resulting from frequency deviation is analyzed in this paper.
从相关函数的基本原理出发,分析了频率偏移对信号测量准确度的影响。
Based on the complex magnitude of harmonic signals and under the condition of ideal synchronous samplings, an algorithm for computing the frequency deviation is proposed.
在理想同步采样的条件下,提出了一种基于简谐信号复幅度的频率偏差求取算法。
This paper gives an analysis of parasitic frequency deviation in the digital phase locked loop, which is one of the important specifications of modern communication systems.
本文分析了数字锁相环路的寄生频偏,它是现代通讯系统中频率合成器的重要指标之一。
This paper discusses the causes for limiting the enlargement of frequency deviation of voltage controlled crystal oscillator and methods for enlarging the frequency deviation.
首先讨论了限制压控晶体振荡器频偏扩展的原因,和扩展频偏的方法。
It has been proved that an improved FFT frequency correction technology, which makes carrier frequency deviation come into fast capture bandwidth quickly, is presented to correct frequency.
实践表明:利用一种改进的FFT校频技术对载波频偏进行一次校频,能使载波频偏快速落入锁相环快捕带内。
By comparison with other wavelet functions, trapezoid complex wavelet function has even frequency characteristic, and so trapezoid complex wavelet transform easily catch frequency deviation.
梯形小波函数具有平坦的频率特性,因而梯形小波变换较容易捕捉到信号的频率偏移。
Such problems as the attenuation of DC elements and Sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system.
要分析电网的暂态特性,还必须考虑衰减直流分量和衰减正弦波,以及电压缺口和频率偏移等问题。
The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented.
当电流超过限制值时,过负荷电流继电器自动保护振荡管和整流器,同时可以避免由不当操作所引起的频率漂移。
High precise measuring and tracking of carrier frequency-deviation is necessary to the realization of a high performance phase locked loop in carrier recovery.
载波恢复中高精度的频偏检测与跟踪是高性能锁相位环路实现的必要条件。
High precise measuring and tracking of carrier frequency-deviation is necessary to the realization of a high performance phase locked loop in carrier recovery.
载波恢复中高精度的频偏检测与跟踪是高性能锁相位环路实现的必要条件。
应用推荐