| 获取飞控系统频率特性的简捷方法 |
| |
| 引用本文： | 师仲贤.获取飞控系统频率特性的简捷方法[J].飞行力学,1995,13(1):38-45. |
| |
| 作者姓名： | 师仲贤 |
| |
| 作者单位： | 飞行试验研究院 |
| |
| 摘 要： | 介绍了采用离散傅立叶变换及其快速傅立叶变换算法逼近连续信号频谱时的基本原理和误差，计算结果表明用快速傅立叶变换可以校准确地获取一、二阶环节和飞机飞控组合系统的开环幅相频率特性，并对用快速傅立叶变换求出的各种飞行试验扰动信号的频谱进行了对比分析。
|
| 关 键 词： | 飞行控制系统 傅立叶变换 信号频谱 |
THE CALCULATION METHOD OF THE FREQUENCY CHARACTERISTIC OF AIRCRAFT FLYING CONTROL SYSTEM |
| |
| Shi Zhongxian.THE CALCULATION METHOD OF THE FREQUENCY CHARACTERISTIC OF AIRCRAFT FLYING CONTROL SYSTEM[J].Flight Dynamics,1995,13(1):38-45. |
| |
| Authors: | Shi Zhongxian |
| |
| Institution: | Chinese Flight Test Establishment |
| |
| Abstract: | This paper introduces the basic principles and errors to approximate thefrequency spectrum of the continuous signals using Discrete Fourier Transform and FastFourier Transform, it proves that the opened-loop amplitude and phase frequencycharacteristic of first and second circuit and Aircraft Flying Control System,the frequencyspectrum of all kinds of the flight test turbulent signals are calculated and the comparisonsare made between them. |
| |
| Keywords: | Discrete Fourier Transform Fast Fourier Transform Frequencycharacteristic Turbulent signal Continuous signal Discrete sequence |
| 本文献已被 CNKI 维普 等数据库收录！ |
