它包括了在该范围上相位谱应为直线的规定。
The electromagnetic spectrum covers an enormous range of frequencies and energies.
研究了基于相位谱的时间延迟估计原理及其算法。
A time delay estimation algorithm and theory based on phase function were studied.
然而，相位谱实际上包含了信号的所有相对信息。
However phase spectrum contains all the relative information of signals, and there is more information in phase than in amplitude.
该文提出一种基于图像相位谱互相关的虹膜识别方法。
An iris recognition approach based on image phase correlation is presented in this paper.
研究了由相位谱重构有限长离散信号，即幅度补偿问题。
This paper studies the problem of signal reconstruction from spectral phase.
主要应用傅立叶变换方法计算各种信号的振幅谱和相位谱。
This paper presents computation of the signal's amplitude spectrum and phase spectrum the Fourier transform.
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.
据此幅值谱和一个随机相位谱，并与一个时程包络函数结合，合成一个子震时程。
A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.
本文在激电相对相位法的基础上提出了激电相对相位谱观测法，并定义了相对相位谱公式。
Based on relative phase IP method, the relative phase spectrum IP method is developed. The formula of relative phase spectrum is defined.
多频激电相对相位谱法采用上述信号作为场源，充分反映了该信号作为电法勘探场源的优点。
In induced polarization method, multi-frequency relative phase spectrum method use above signal as field source, showed the advantage of PRMF signal used as field source for electrical exploration.
本文报道了一种基于脉冲回波相位谱的超声波速度测量方法，并给出了它的详细理论推导过程。
This paper presents the development of a pulse-echo measurement method, based on the use of a phase spectrum to determine the ultrasonic wave velocity. A detailed descripsion of the theory is given.
通过对一个球形信号进行傅立叶正反变换，发现用相位谱恢复的图形轮廓比振幅谱恢复的图形轮廓清晰。
Taking the sphere signal as an example, it is found that the phase spectrum is clearer than the amplitude one in resuming input signal.
多频激电相对相位谱法充分发挥了伪随机多频信号作为电法勘探场源的优点，可在找水，找矿等勘探中发挥重要作用。
PRMF relative phase spectrum IP show the advantage of PRMF signal as source of electrical exploration, can play important in groundwater exploration, mineral exploration, and so on.
利用伪随机多频信号作为场源的多频相对相位谱观测法拥有相对相位观测法的优点，同时为异常源的区分提供丰富的信息。
PRMF relative phase spectrum IP method with PRMF signal as excitation has the same advantage of relative phase IP method, and offer rich information for the discrimination of anomaly source.
给出了在各种不同大气湍流强度、不同相位谱空间频率的下降因子时，大气湍流相位波前低阶模式完全校正后和倾斜部分校正时的斯特列尔比的计算结果。
The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.
提出了利用三次样条插值法，处理BOC调制信号相关谱主峰及副峰的数据，以提高相位测量精度的算法。
A method using cubic-spline interpolation to process correlation peaks was proposed to improve the precision of BOC-modulated signal PN code phase measurement.
结果表明，利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
双谱是一种平移不变的特征，含有丰富的相位信息，但它是二维函数，不利于模板匹配。
Bispecra is a translation-invariant character, contain abundant phase information, but it is two dimension, and misfit board match.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
从非线性薛定谔方程出发得到了色散缓变光纤（DDF）中交叉相位调制（XPM）不稳定增益谱。
Modulation instability resulted from cross phase modulation(XPM) in decreasing dispersion fiber(DDF) is presented from nonlinear Schrodinger equation.
相位编码扩谱光码分多址（OCDMA）通信系统是近年来OCDMA研究的热点之一。
Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
文中还给出了由幅谱重建混合相位有限长信号的新结果。
In addition, a new result for reconstruction of mixture phase signal from FT spectral magnitude is obtained.
该方法是基于复倒谱和平稳最小相位序列之间的关系提出的。
Usingthecomplex Cepstrum coefficients, theall-pass denominator coefficientsare obtained based on the relation betweenthecomplex Cepstrum and the stable minimum-phase sequence.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数，应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数，应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
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