多谐差相信号激励下的频率特性测试方法  

Frequency response testing method based on the schroeder-phased harmonic(SPHS)signal

作　　者：陈连华[1,2] 岳瑞华[1] 赵娜[2] 王奕博[1] 

机构地区：[1]第二炮兵工程学院,西安710025 [2]中国白城兵器试验中心,白城137001

出　　处：《国外电子测量技术》2011年第3期13-15,28,共4页Foreign Electronic Measurement Technology

摘　　要：为了实现系统的高效和高精度频率特性测试,介绍了一种以多谐差相(SPHS)信号作为激励信号的频率特性测试方法。探讨了多谐差相(SPHS)信号的性质和特点,设计了以此信号为激励信号的测试过程。通过试验证明了这种方法具有高测试精度和可重复性的特点,适合频率特性的快速测试。In order to test the frequency of a system with high efficiency and precision,a new testing method for frequency response based on the schroeder-phased harmonic（SPHS）signal is put forward.The characteristic of SPHS signal is analyzed,and frequency response procedure with SPHS signal as modulated is introduced.The experiment results show that the method with high efficiency and precision is a good frequency response testing method.

关 键 词：多谐差相信号 频率特性 测试方法 

分 类 号：TP211.31[自动化与计算机技术—检测技术与自动化装置]