• 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.

    利用伪随机多信号作为多频相对相位观测拥有相对相位观测法优点同时异常区分提供丰富信息

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  • The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.

    最大功率相位就是首先求出组分至点。

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  • 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分辨方法

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  • Based on relative phase IP method, the relative phase spectrum IP method is developed. The formula of relative phase spectrum is defined.

    本文相对相位的基础上提出了激电相对相位观测法,定义了相对相位谱公式

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  • This article introduces the principle and method how to measure phase noise with spectrum analyzer, and discusses the uncertainty factor and its evaluating method.

    基于频谱分析仪相位噪声测试原理方法进行了介绍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

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  • 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相位数据进行时延估计方法

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  • Spectrum analysis and phase method were used for the boiling two phase flow studying in this paper.

    采用频域空间方法分析沸腾系统。

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  • A new method of the original signal reconstruction from phase function of the spectrum is presented in this paper.

    本文给出了频谱相位函数重建原始信号方法

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  • 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精确在线测试

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  • 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.

    基于质量流量计工作机理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方法

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  • 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方法

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  • 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,提出了分析方法

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  • 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.

    研究了基于相位差频谱校正方法基本原理,提出利用相位差校正的新方法———中心平移法。

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  • 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.

    根据相位噪声定义给出频谱分析仪相关测量参数换算关系进而得到计算方法

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  • 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.

    多频激电相对相位采用上述信号作为,充分反映了该信号作为勘探场源优点

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  • 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调制(TPM)方式

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  • 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幅度自相关检测算法篡改部位进行检测

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  • For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.

    线性调频信号旁瓣抑制介绍了经典海明加权处理方法频谱修正以及相位矫正几种方法。

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  • 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相位截断误差幅度量化误差进行了傅立叶级数分析研究。

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  • 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超声波速度测量方法,并给出了详细理论推导过程。

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  • 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

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  • 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对角线切片分析方法把它用于粗糙表面轮廓非线性耦合性特征分析。

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  • 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.

    提高基带接收机窄带干扰能力提出一种相位校正方法

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  • 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.

    提高基带接收机窄带干扰能力提出一种相位校正方法

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