对数相频特性 [自] log phase-frequency characteristics
对数相位频率特性 logarithmic phasefrequency characteristic
对数相似值比侦测器 Log-Likelihood Ratio Detector
相对数 [数] Relative number ; Wolf number
对数幅相图 [自] log magnitude-phase diagram ; Log-magnitude versus phase plot ; Nichols ; phase diagram
相对次数 relative frequency ; [数] relative degree ; relative frequencies ; Cumulative relative frequency
相对频数 [数] relative frequency ; proportional frequency
比较相对数 relative ratio
生长对数相 logarithmic phase
为使数据处理系统与所用的计算机环境相兼容，对数据处理系统软件库进行了改造。
The software system for data analysis are remoulded in order to be compatible with the environment of our computer.
通过对LPC(线性预测编码)方法提取语音信号共振峰进行的研究表明，采用相-频特性与对数幅-频特性同样能提取语音信号共振峰。
The study on speech signal formant abstracted by LPC shows that it can also be abstracted by adopting phase-frequency characteristics and logarithmic amplitude-frequency characteristics.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
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