Investigation and comparison of the traditional methods of HRV in time-domain and frequency-domain analysis are made, and their corresponding quantitative parameters and psychological meanings are also discussed.

By analysis based on time-domain and frequency-domain, the producing and formative mechanism of acoustic signal is approached, and the tone channel is put forward.

基于电弧声信号的时域与频域特征分析，讨论了电弧声产生机理，提出了电弧声道概念。

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With analyzing pressure signals along the tube by frequency time-domain and frequency-domain method, the pressure pulsating characteristics of the pulsating fluidized bed was obtained.

时域和频域分析了床内各测点的压力信号，获得了脉动流化床的压力脉动特性，床内各点处压力为该点各次谐波压力分量和未建立脉动时原有的压力的叠加；

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Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time-domain and frequency-domain.

波形分析仪是最重要的信号测量仪器之一，可以对信号时域特性、频域特性以及相关特性作高精度分析。

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Results showed that wavelet transform could be used to improve signal-to-noise ratio and to provide more perfect time-domain and frequency-domain information than conventional signal processing methods.

结果表明，在对小波系数的合理解释情况下，小波变换能有效地提高信噪比，并能提供比传统方法更为完整的时域和频域信息。

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Several methods for measuring PMD based on time-domain and frequency-domain are introduced, of which a new method& modulation phase shift technique is also presented.

介绍了时域法与频域法的几种偏振模色散（PMD）的测量方法，其中包括了一种新的测量方法&调制相移法。

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The stealth effect of radar targets covered with parabolic profile inhomogeneous plasma is studied both in time-domain and frequency-domain.

对电子密度抛物线分布的不均匀非磁化等离子体覆盖雷达目标的隐身效果进行了时域和频域分析。

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Based on that, a research on UWB pulse wave had been made, which was mainly on two sides, time-domain and frequency-domain.

在以上分析的基础上，对超宽带的脉冲波形进行了研究，主体上分为时域和频域两方面研究。

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The research is mainly focused on the following aspects, 1 、 Research on method for wind-induced vibration computation in time-domain and frequency-domain.

结构风致响应时域计算方法和频域计算方法研究。

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So the signals' characteristics in Time-domain and frequency-domain had been extracted. These characteristics were used to represent the signals.

因此本文提取原始监测信号的时域和频域特征，使用这些特征来表征原信号。

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The control principle is discussed based on the system small-signal models. Through time-domain and frequency-domain simulation, the theoretical analysis is being verified.

讨论了其控制原理，建立了控制系统小信号模型，通过频域和时域仿真对理论分析结果进行了验证。

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The wavelet analysis method has simultaneous time-domain and frequency-domain resolution capability and it can be used to process the singular signal especially.

小波分析方法在时域和频域同时实现了局部化特性，特别适合处理奇异信号。

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Specially, the reflection method in time-domain and frequency-domain, which are two methods in dielectric are discussed in detail.

特别地，本文详细介绍了介电法中的时域反射法和频域反射法，并对其不同方法进行对比，讨论了每种方法的优缺点。

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BSS of speeches can be divided into time-domain and frequency-domain algorithms.

目前，语音盲源分离算法主要分为时域算法和频域算法。

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We must be able to capture the input analog signal's time-domain and frequency-domain characteristic.

从外部获取的信息是模拟量时，信息处理是从中提取信号时间域特征、频域功率谱特征等参数。

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This paper introduces an automatic analysis technology and the software of pulse waveforms in both time-domain and frequency-domain.

本文介绍脉冲波形的时域和频域的自动分析技术及其软件。

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The equivalent relation of optimum solution between time-domain and frequency-domain in adaptive beamforming

自适应波束成形中最优解在时域和频域中的等价关系

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Analysis and Comparison of Measuring Straightness Error with Two-point Method in Time-domain and Frequency-domain

时域和频域两点法EST测量直线度误差比较分析

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Radar signal digital pulse compression processing can be realized mostly by time-domain and frequency-domain methods.

雷达信号数字脉冲压缩处理主要采用时域和频域两种方法来实现。

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Then, the methods of spectrum quantification analysis in time-domain and frequency-domain are discussed.

对时间域和频率域的波谱量化方法进行了研究。

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A Study of the Clinical Application of Time-Domain and Frequency-Domain Analyses for Detecting Ventricular Late Potential

时域及频域分析检测心室晚电位临床应用研究

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