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.
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。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
A method which makes use of the phase information of spectrum of radar echo amplitude signal to make azimuth super resolution is given.
本文介绍了一种利用雷达回波幅度信号频谱相位信息进行角度超分辨的方法。
Based on relative phase IP method, the relative phase spectrum IP method is developed. The formula of relative phase spectrum is defined.
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。
This article introduces the principle and method how to measure phase noise with spectrum analyzer, and discusses the uncertainty factor and its evaluating method.
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。
The method of phase data time delay estimation based on high order spectrum is put forward.
本文提出了一种利用高阶谱相位数据进行时延估计的新方法。
Spectrum analysis and phase method were used for the boiling two phase flow studying in this paper.
采用频域和相空间方法分析沸腾两相流系统。
A new method of the original signal reconstruction from phase function of the spectrum is presented in this paper.
本文给出了由频谱的相位函数重建原始信号的新方法。
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.
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。
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。
A method of how to measure the signal 's phase noise by spectrum analyzer is introduced.
本文介绍利用频谱分析仪测量信号相位噪声的方法。
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。
The principle of spectrum correction based on difference is studied. A novel method by use of phase phase difference, namely the method of translation of window center is proposed.
研究了基于相位差的频谱校正方法的基本原理,提出一种利用相位差校正的新方法———窗中心平移法。
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.
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。
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.
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。
Aiming at the spectrum spread problem of traditional digital modulation signals, a time-phase modulation (TPM) method with abrupt phase change characteristic is proposed.
针对传统数字调制信号频谱扩展问题,提出具有相位突变特性的时相调制(TPM)方式。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
针对一类单幅图像的复制遮盖篡改,提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.
对线性调频信号的旁瓣抑制介绍了经典海明窗加权处理方法、频谱修正以及相位预矫正几种方法。
The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of Fourier series.
介绍了直接数字频率合成技术以及分析其杂散误差,对相位截断误差和幅度量化误差进行了傅立叶级数分析研究。
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.
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。
Considering the spread spectrum orientation systems using difference carrier phase to measure distance, this paper proposed a method for acquiring difference carrier phase by using pilot symbol.
考虑利用载波相位进行测距的扩频无线电导航系统,该文提出了一种基于导引符号的两导航台载波差分相位的提取方法。
The ameliorated method of diagonal slice spectrum analysis is presented and used to characterize the skewness and phase coupling of the rough surface profiles.
本文提出了一种改进的对角线切片谱分析方法,并把它用于粗糙表面轮廓的非线性和耦合性特征分析。
A method based on phase correction is proposed to enhance the performance of suppressing narrow-band interference of base-band direct sequence spread spectrum (DSSS) receiver.
为提高基带直扩接收机的抗窄带干扰能力,提出了一种相位校正方法。
A method based on phase correction is proposed to enhance the performance of suppressing narrow-band interference of base-band direct sequence spread spectrum (DSSS) receiver.
为提高基带直扩接收机的抗窄带干扰能力,提出了一种相位校正方法。
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