本文介绍了一种高精度动态频率测量系统。
In this paper, a system of highly accurate dynamic frequency measurement is described.
首先以无源声呐对目标的方位角、俯仰角和频率测量为依据，建立动态系统模型。
The model of motive system is made in the light of measurements of target bearings, elevation and frequency by passive sonar.
给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。
Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.
讲座将介绍在太赫兹光谱和成像和频率，振幅，分辨率和动态范围测量技术相关的校准方法。
The talk will describe measurement techniques in THz spectroscopy and imaging and related calibration methods for frequency, amplitude, resolution and dynamic range.
这种芯片非常适用于信号的幅值和频率动态范围大的测量系统。
This chip is applicable for the measure of signal, whose amplitude and frequency has high dynamic range .
本文通过理论分析揭示并探讨了滤波网络扫频测量时幅频特性的频率偏移和动态带宽现象的成因。
With the methods of theoretical analysis, this paper reveals and researches the result of frequency offset and dynamic bandwidth of a filter network in its amplitude-frequency characteristic.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
在低频率(或低剪切速率)下，动态剪切测量的复合粘度与稳态剪切测量的剪切粘度是相等的。
The composite viscosity at the condition of dynamic shear test is consistent with shear viscosity at steady shear test at the low shear rate or low frequency.
它能以较高的采样频率，对一动态变化的频率进行自动测量，并将数据存盘。
With this system, a varying frequency can be measured automatically in high sampling frequency, and the data are saved in a disk.
它能以较高的采样频率，对一动态变化的频率进行自动测量，并将数据存盘。
With this system, a varying frequency can be measured automatically in high sampling frequency, and the data are saved in a disk.
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