In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
本文提供了一种用于识别这类随机信号的数学统计模型，并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
The test program calls each method repeatedly with a large loop count, averaging the time measurements over several calls.
测试程序重复调用每种方法，使用一个大循环数，从而平均多次调用的时间衡量结果。
In order to increase the measuring accuracy the sample averaging method must be introduced, so that a certain time of measurement is needed.
为了提高测量精确度，减少随机误差，对噪声峰值测量应采用统计平均方法，所以也需要一定的测量时间。
A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain.
基于单一载频的射频干扰（RFI）在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。
The popular method that statistically averaging transdermal fluxes has large mean square deviation, because the time varying property of TDD and the individual difference of SC samples are ignored.
目前检测物质经皮转运率广泛采用求统计平均值的方法，但此法存在很大的均方差，其原因在于忽略了经皮转运的时变性和每个实验个体的差异。
The basic principle of Implicit Sampling Averaging algorithm and method of time-delay determination is introduced aim at the present synthetic aperture radar (SAR) imaging methods.
针对现有的合成孔径雷达(SAR)成像方法，介绍了隐抽样平均算法的基本原理及时延确定的方法。
The basic principle of Implicit Sampling Averaging algorithm and method of time-delay determination is introduced aim at the present synthetic aperture radar (SAR) imaging methods.
针对现有的合成孔径雷达(SAR)成像方法，介绍了隐抽样平均算法的基本原理及时延确定的方法。
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