频谱分析法对幅度变化的波形也有效。
The spectral analysis technique works well for waves of varying amplitude, too.
参数测量主要指对波形特性,如上升时间、下降时间、过冲、周期、脉冲波形或眼图的幅度等。
Parametric measurements measure waveform properties such as rise time, fall time, overshoot, period, and amplitude on either a pulse waveform or an eye diagram.
对加速度进行特征提取,可以使得波形的幅度特征更加明显,有利于进行轨道故障的检测。
The waveforms 'amplitude character will be more distinct through accelerations 'feature extraction, and this is propitious to rail deformation detection.
激振系统信号源的频率、幅度和波形应该能够任意调节。
The frequency, the amplitude and the waveform of the signal source should be controllable.
采用8位LED显示器动态刷新方式,显示波形类型、频率和幅度。
Using 8 LEDs display dynamic to renovate the method, display waveform type, frequency and the range.
介绍了用参数来控制波形的幅度、尺寸及灰度的软件实现。
How to control magnitude, size and gray scale of waveforms with parameters is also given in this paper.
在变速参数中影响电机瞬时电流波动最为显著的因素依次为变速波形、变速幅度和变速频率。
The significant factors which exert an influence on instantaneous fluctuation of motor current are in sequence :Vari-speed wave form, vari-speed amplitude and vari-speed frequency.
根据时间或幅度选择波形的一部分,即在一个特定的间隔里一个波形允许另一个波形通过电路的动作。
Selection of part of a wave on account of time or magnitude. Operation of a circuit when one wave allows another to pass during specific intervals.
从波形显示所要求的幅度分辨率、插值显示和频谱分析对量化精度的要求等方面进行分析,确定ADC参数;
The ADC parameters are selected according to the aspects of the required amplitude revolution to display signal, of the required quantify precision in inserting and spectrum analysis.
随后从脉冲信号的幅度谱和相位谱两个方面研究了脉冲波形失真情况。
Then it studied the pulse waveform distortion from two aspects of the amplitude spectrum and phase spectrum.
从波形的最低点至最髙点的高度是它的幅度,每秒钟周期的数量是波的频率。
The height of the wave from the lowest to the highest point is its amplitude. The number of cycles per second is the wave's frequency.
用合适的滤波器可以从估计出的平均频率曲线中得到涡流的波形,并且计算表征涡流的涡流经过频率和幅度特征参数。
Meanwhile the vortex shift waveform is obtained from the estimated mean frequency waveform using a suitable low-pass filter. Then the vortex shedding frequency and amplitude can be calculated.
根据北京地区移动通信无线电传播规律,在信号快衰落幅度服从m衰落的基础上,给出了M衰落波形信道的计算机仿真模型。
Based on the propagation regularity of land mobile communication in Beijing, this paper gives the computer simulation model of M-distribution fading wave channel.
相同频率调制比和幅度调制比的情况下,对调制波信号的不同采样点分布可以得到不同的SVM波形。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
该波形序列的第三谐波失真幅度可以被用来测量输出中的失真。
A magnitude of a third harmonic distortion of the waveform sequence can be used to measure distortion in the output.
本文综述了采用示波原理间接测量血压方法的研究进展,并介绍了波形特征法和幅度系数法两类血压判别方法的基本原理,对影响其测量精度的因素进行了分析。
The paper expatiated it on the basis of different algorithms in this field by dividing them into two categories named as feature point method and amplitude characteristic ratios method.
文章就采用中大规模集成电路设计一个新型的多波形发生器,并由单片机系统控制其输出频率和幅度的步进调节,实现数码显示等展开了讨。
The step adjustment of the generator output frequency and amplitude is controlled by a single chip microcomputer in order to realize the digital display.
不同阶幅度矩进行调制分类的方法利用MPSK/MQAM信号每符号段波形起始点与其它点幅度的乘积统计矩特征进行调制分类。
The method with different order amplitude moments makes use of the product moment of signal magnitude for classification of MPSK/MQAM signals.
油层声波阻抗变化方向导致差异波形振幅幅度变化的快慢。
And the extent of difference amplitude caused by impedance decrease is more than equivalent impedance increase.
互相关函数的最大幅度与事件波形的振幅随距离具有相同的衰减规律。
Amplitude degressions with distance of single event waveform and crosscorrelation functions are much similar.
文中重点介绍了频率、相位、幅度调节和波形在线编程的实现方法,单次波形的控制方法以及功率放大器的设计。
It can produce high power, high voltage arbitrarily waveforms. The realizing method of frequency adjustment, phase adjustment, amplitude adjustment, online waveform programming are stressed.
本文提出了一种利用大动态范围脉冲幅度自动增益控制技术和数字波形存储技术,实现水下目标信号存储和目标回波波形模拟的方法。
A method for acoustic signal storage and simulation of underwater target is presented in this paper. The techniques of large dynamic pulse gain control and digital waveform storage are applied.
可实时显示波形的类型、频率、幅度和步进值,显示效果良好。
Real time shows that wave types, frequency, magnitude and step by step, show good results.
可以产生不同频率、不同幅度的动态水压力波形;
It can generate dynamic water pressure which have different frequency and different range;
并将生成信号经低通滤波器处理,从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。
After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.
并将生成信号经低通滤波器处理,从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。
After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.
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