This makes it possible to measure period signal spectrum exactly.
这一方法为周期信号频谱的准确测量提供了可能。
The broader signal spectrum will aggravate the influence of jitter on parametric gain.
并且信号光光谱越宽，光参量放大间的时间同步抖动对其增益影响越严重；
It includes: stimulus of signal, analysis of signal spectrum, design of filter and PWM signal.
其中包括：激励信号的产生，信号的频谱分析，滤波器设计，PWM信号的产生等。
The mechanism of the signal spectrum distortion because of DAC's zero-order holding is analysed.
分析了数字方法运用于波形合成中由于DAC零阶保持特性造成的信号频谱高频失真的机理；
Based on MATLAB language, complete speech signal spectrum analysis and collecting and filtering.
基于MATLAB语言编写，完成对语音信号的采集、频谱分析及滤波。
The weighted method is an important method of enhancing resolution in digital signal spectrum analyses.
在数字信号谱分析中，加权处理是提高谱分辨率的重要方法。
The signal spectrum ise xtrapolated basing on the minimum entropy criteria to increase signal resolution .
最小熵谱外推技术是一种非参数方法。
The analyzer can avoid the limitation of A/D converter. Thisis a new theory and technology on signal spectrum estimation.
这种谱仪回避了A/D转换器的限制，是信号谱估计的一种新理论和新技术。
The single rectangular pulse is a typical signal in Fourier transform, which plays an important role in signal spectrum theory.
矩形窗函数是傅立叶变换中的一个典型信号，它在信号频谱理论中占有重要地位。
According to practice, this simulator has stable signal phase, pure signal spectrum, and ability to produce any complex waveform.
经过实践证明，该模拟器产生的信号相位稳定，频谱纯度高，并具有复杂波形生成的能力。
This paper introduces the designing way and the programming methods of the CAI software for periodic signal spectrum analysis and demo .
介绍了“周期信号频谱分析演示CAI软件”的设计思路和编程方法。
A way be proposed about the design of music fountain, which is that the height of fountain accord with variety of music signal spectrum.
本文提出了一种音乐喷泉设计的方法，使喷泉水柱高低与音乐信号频谱的变化相一致。
This signal spectrum analysis system realizes the data acquisition of analog signal, and the processing of the signal through the computer.
该系统实现了对模拟信号的采集，并通过计算机完成对信号的分析处理。
Note: 1 master data input, output of basic statements 2 master data zeros programming requirements 3 grasp the real signal spectrum Symmetry Principle.
注意：1掌握数据输入、输出基本语句；2掌握数据补零的编程要求；3掌握实信号频谱对称性原理。
Speech signal spectrum analysis is the time-varied spectrum analysis. FFT technique on speech signal spectrum analysis are discussed in detail in this paper.
针对语音信号频谱分析实际上是时变频谱分析的特性，详细地讨论了用FFT技术对语音进行频谱分析过程中的方法问题。
The impact of the inverse placement of spectrum for signals with different modulation modes is analyzed, then the method to invert radio signal spectrum is given.
分析了频谱倒置对不同信号调制方式的影响；给出了实现无线电频谱倒置的算法；以多速率数字信号处理理论为基础给出了具有低计算复杂度的实现方案。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
Self-phase modulation of fiber does not affect the pulse shape of chaotic signal, however, its product of nonlinear phase shift can widen the chaotic signal spectrum.
结果表明：自相位调制不影响混沌信号脉冲的形状，但能产生非线性相移使混沌信号频谱展宽；
When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.
在频域中当信号频谱处于两个或更多个滤波器通道时，通过频谱组合办法直接得到实信号的正半谱或负半谱。
For a linear array CCD in a push-bloom imaging system, on condition that the input signal is a sine pattern with single frequency, the output signal spectrum is analysed.
假定输入为单频正弦光栅，对刷扫工作状态下线列CCD输出信号的频谱进行了分析。
Therefore, it is an important way to analysis the signal spectrum and determine the type of bearing defects in the study of bearing vibration signals for fault diagnosis.
因此，在对轴承振动信号进行故障诊断的研究中，对信号进行频谱分析，判断轴承缺陷的类型是一种重要方法。
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.
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。
An estimation method of fingerprint ridge distance based on ridge orientation projection signal spectrum analysis is proposed to overcome some shortages in the present literatures.
提出了一种基于纹线方向投影信号谱分析的指纹纹线间距估计方法。
Following discussions on the principle of Doppler, the classification of the deformation, and analysis of signal spectrum, a continuous and rapid method for the measurement is presented.
通过对超声多普勒原理、路面变形的分类研究及测试信号谱分析的详细讨论和研究，给出了一种连续、快速检测沥青路面变形情况的方法。
Its role is to pass the vibration of vibration table which was stimulated by the signal spectrum to the subjects as far as possible without losing. the subjects are auto electrical system.
在该振动试验中，夹具是极为重要的组成部分，它的作用是将由路谱信号激励的振动台的振动尽量不失真地传递给受试件，即汽车电器系统。
In the scheme, a set of feature parameters are extracted from signal spectrum and constellation based on the differences between digital mixed signals and common digital modulation signals.
该方案利用数字混合信号与常用数字调制信号在信号频谱以及星座点的差异提取特征参数进行自动识别。
One reason this is hard is that radio telescopes must chop the spectrum into fine portions to study it, like tuning into a signal on a car radio.
研究工作进展困难的一个原因是，正如汽车收音机的调频一般，射电望远镜必须把光谱按照波段分成易于研究的片段。
When a laser is shone on the aptamer, the molecule absorbs light and reemits it with a characteristic spectrum, called its "Raman signal."
适配子可以吸收激光并放射出称为“拉曼信号”的特征光谱。
When a laser is shone on the aptamer, the molecule absorbs light and reemits it with a characteristic spectrum, called its "Raman signal."
适配子可以吸收激光并放射出称为“拉曼信号”的特征光谱。
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