1) 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。
2) Imaginary frequency characteristic
虚频特性
3) Real frequency characteristic
实频特性
4) real frequency characteristic
实频率特性
5) concave or convex
虚实性
6) imaginary characteristic
虚数特性
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条