群延迟特性 meaning in Chinese

group delay characteristics

Bessel function design simulation results show the small pass - band ups , stop - band attenuation , in the pass - band with a better group delay characteristics , which can meet the design requirements
仿真结果表明贝塞尔函数设计的滤波器通带起伏小，阻带衰减大，在通带内群延迟特性较好，可以很好满足设计要求。
Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver , and with the help of eda simulation tools , the bold plot and the group delay characteristics of the filters designed are compared
摘要采用巴特沃思型和贝塞尔函数型2种方法进行接收机带通滤波器设计，借助eda对该滤波器进行波特图和群延迟特性的比较。
Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system . analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length , a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well
第四章设计和确定了仪器系统软件算法的部分参数：分析和比较了不同群延迟特性的数字滤波器对频率估计的影响；确定了影响频率估计参数?数据长度的取值规律；给出了判断传感信号有效性的检测方法并确定了检测门限的取值规律。