1) Real frequency characteristic
实频特性
2) real and imaginary frequency response
实、虚频特性
1.
Fir- stly, his calculus was efficaciously improved: the common formula of real and imaginary frequency response was advanced that is convenient for manual computation and more convenient for compute programming.
从两个方面对如何更好地绘制开环系统曲线进行了研究：（１）对它的计算方式进行有效的改进，推出实、虚频特性计算通式，它方便于手算，更方便于计算机编程运算；（２）针对快速确定曲线有关形状给出了２个判据，即起始渐近线判据和实、虚频交点判据。
3) real frequency characteristic
实频率特性
4) amplitude-frequency characteristic
幅频特性
1.
Research on the amplitude-frequency characteristic of wavelet transform;
小波滤波器幅频特性的研究
2.
Application of Mulitsim7 in active filter circuit amplitude-frequency characteristic test;
Mulitsim7在有源滤波电路幅频特性测试中的应用
3.
A method for amplitude-frequency characteristic compensation of signal generator based on pseudo interleaving
基于伪插值的信号源幅频特性补偿方法研究
5) frequency characteristics
频率特性
1.
Pressure fluctuation frequency characteristics in spout- fluid bed based on ARM power spectrum analysis;
基于ARM功率谱分析的喷动流化床压力波动频率特性
2.
Study on methods for analyzing frequency characteristics of shaking table systems;
地震模拟振动台系统频率特性分析方法的研究
3.
Frequency Characteristics Instrument for Electro-Hydraulic Servo Valves;
电液伺服阀频率特性测试仪
6) time-frequency characteristic
时频特性
1.
The optimized high-frequency expanding technique can basically possess of seismic data original SNR,relative amplitude relation and time-frequency characteristics during the resolution improving.
优化高频拓展技术在提高分辨率的同时基本保持地震数据原有的信噪比,并且可以保持地震数据相对振幅关系和时频特性,做到真正的保真处理,为精细薄互煤层分析提供可信的高质量地震数据。
补充资料：虚中夹实
虚中夹实 虚中夹实 病证名。指病以体虚为主而夹有实邪。如妇人干血痨证，身体消瘦，形容憔悴，肌肤枯糙，五心烦热，不思饮食等虚证，面兼有经闭、舌质紫暗、舌边有瘀点、脉沉弦等血瘀实候。
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参考词条