本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文在原有利用双谱对二次相位耦合进行分析的基础上，提出了维谱分析方法。
In this paper, instead of using the bispectrum to detect the quadratic phase coupling, a new method based on -dimension spectrum is developed.
本文叙述了用频谱分析仪测量相位噪声的方法，步骤和应注意的问题。
This paper describes some methods, steps and attentions using a spectrum analyzer in phase noise measurement.
对基于频谱分析仪的相位噪声测试原理和方法进行了介绍，并对引起测试系统不确定度的因素及其评定方法进行了讨论。
This article introduces the principle and method how to measure phase noise with spectrum analyzer, and discusses the uncertainty factor and its evaluating method.
本文介绍利用频谱分析仪测量信号相位噪声的方法。
A method of how to measure the signal 's phase noise by spectrum analyzer is introduced.
根据相位噪声的定义，给出频谱分析仪相关测量参数的换算关系，进而得到计算方法。
The conversion relation of some spectrum analyzer's correlative measuring parameters from the definition of the phase noise is given, then the method to calculate the phase noise is gained.
为了提高频谱分析的精度，要求对振动信号进行整周期等相位采样。
In order to improve the accuracy of spectrum analysis, it's better to sample the vibration signals in the way of full cycle and equal phase.
独特的向5372a （相比，与5371a ）是更深的记忆体，硬体直方图，和FFT能力高的性能和更复杂的抖动频谱分析和相位噪声的研究。
Unique to the 5372A (compared with the 5371A) are deeper memory, hardware histograms, and FFT capabilities for high-performance and more sophisticated jitter spectrum analysis and phase noise studies.
基于科氏质量流量计的工作机理和实际工作情况下的信号频谱分析，提出了切实可行的相位差检测新方法。
Based on the sensing mechanism of Coriolis mass flowmeter and analyzing signal spectrum in actual working, the novel applied method is devised for phase difference detection.
双相干谱分析是一种随机信号的现代分析方法，它保留了信号的相位信息且能有效地抑制高斯噪声，描述信号的非线性相位耦合。
It preserves the phase information of signals while effectively reducing Gaussian noise, thus it can analyze the non-linear phase coupling of signals.
研究了磁阻效应的扭矩信号处理方法，分析了信号相位差的相关分析法和频谱分析法，并进行了仿真计算与误差分析。
The real-time shaft power is being monitored by calculating the torsional Angle and shaft speed on line. 2 the torsion signal processing method is researched on.
研究了磁阻效应的扭矩信号处理方法，分析了信号相位差的相关分析法和频谱分析法，并进行了仿真计算与误差分析。
The real-time shaft power is being monitored by calculating the torsional Angle and shaft speed on line. 2 the torsion signal processing method is researched on.
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