instantaneous amplitude

基本解释

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。
Compared with the original method, the improved one has better effect on the calculation of instantaneous amplitude, instantaneous phase and instantaneous frequency in the synthetic seismogram.
将改进后的算法应用于合成地震记录计算瞬时振幅、瞬时相位和瞬时频率，获得了较好的效果。
The appearances of BSRs oon near-offset profile, stacked profile, migration profile, migration profile, instantaneous amplitude profile and instantaneous phase profile are compared and described.
比较了近炮检距剖面、叠加剖面、偏移剖面、瞬时振幅剖面与瞬时相位剖面上BSR的显示特徵。
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瞬时幅度
Utilizing instantaneous amplitude, phase and frequency information of the modulated signal, some high quality features,proved in theory,are extracted.
利用各类数字调制信号的瞬时幅度、相位和频率特点，提取几种的具有良好性能的特征参数并且分别在理论上分析该特征参数的分类能力。
瞬时振幅
瞬态振幅
脉冲的瞬时值