The principles and experimental results of a frequency spectrum analyzer for all types of single transient processes are described in this paper.
本文叙述了一个适用于各种单次瞬态过程的频谱分析仪的工作原理和实验结果。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
The essential difference is that the spectrum analyzer, being designed for laboratory use, is designed to cover an extremely wide frequency range with widely adjustable tuning range, bandwidth, etc.
区别在于频谱分析仪被设计成是实验室使用，设计成是带有很大可调范围和带宽等并覆盖非常大频率范围的仪器。
The spectrum analyzer is a very important instrument in measuring and analyzing the signals in frequency domain.
频谱分析仪是对频域信号进行测量和分析的一种重要的测量仪器。
Combined with the features of virtual instrument, the scheme realizing virtual RF spectrum analyzer is presented and realized in this paper, and digital intermediate frequency method is emphasized.
结合虚拟仪器的特点，提出并实现了一种虚拟射频频谱仪的方案，着重介绍了其中的中频数字化实现方法。
In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法，并给出了实时算法的设计要点。
From frequency field Angle the phenomenon of signal distortion is analyzed, and the principle of observing and measuring the micro-distortion of signal by using spectrum analyzer is explored.
从频域角度分析了信号失真现象，并探讨了频谱分析仪观测微小失真度的原理及若干问题。
Based on the analysis of the sensor signal, the frequency spectrum is analyzed with SD-380 dynamic analyzer.
在分析传感器信号的基础上，用SD- 380动态分析仪对信号作了频谱分析。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
然后在白光光学频谱分析系统中，利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
This article sum up the principle of frequency display in HP8559A spectrum analyzer. And introduce a design to improve frequency accuracy of measurement by using Single-chip-computer.
本文介绍了H P 8559A频谱分析仪频率测量显示电路的基本工作原理，同时阐述了怎样使用单片机对该型号频谱仪实施改造以改善其频率测量准确度。
The 8590L is a low cost, but full-featured, frequency accurate RF spectrum analyzer designed to meet your general purpose measurement needs.
该8590L是一种成本低，但功能齐全，频率精确的射频频谱分析仪，以满足您的一般目的的测量需求。
The 8590L is a low cost, but full-featured, frequency accurate RF spectrum analyzer designed to meet your general purpose measurement needs.
该8590L是一种成本低，但功能齐全，频率精确的射频频谱分析仪，以满足您的一般目的的测量需求。
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