-
DFT
信号与系统试验报告
离散傅立叶变换(DFT)和频谱分析
一、实验内容
1、实验题目
(1)编写DFT、IDFT程序,并验证其正确性(提示:可利用冲激函数进行验证)。
(2)计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换(DFT),求其振幅谱,相位谱、振幅最大值对应的频谱(检测主频)以及对发f(t)进行DFT变换的结果实现IDFT变换,并画出图形。
参数选择如下:频率f =30HZ,a=f 2㏑(M),M=2.5
2、通过实验理解信号振幅谱、相位谱的物理意义,掌握DFT、IDFT算法的实现方法。()
- 2008-05-07 10:38:59下载
- 积分:1
-
leach1
leach算法MATLAB仿真,程序代码详细,完全能运行(leach algorithm MATLAB simulation, detailed program code, is fully operational)
- 2013-05-14 15:36:35下载
- 积分:1
-
rs
说明: RS码的C实现,通过mex接口,在MATLAB中创建的LTE下行链路中测试,可跑出误码率曲线。(RS code is implemented in C, by mex interface, LTE downlink created in MATLAB test can be run out of BER curves.)
- 2014-08-12 15:23:33下载
- 积分:1
-
213test
说明: (213)卷积码编码译码C程序
卷积码编码及其译码的C程序设计方案,以213为例说明,希望对大家有用
((213) convolutional code encoding decoding C program)
- 2010-05-02 13:32:50下载
- 积分:1
-
c5ex
C.Primer.Plus 第五版 书中的源代码(C.Primer.Plus fifth edition of the book' s source code)
- 2010-05-11 12:48:13下载
- 积分:1
-
ofdm
说明: 真对无线通信中的正交频分复用的matlab仿真源代码。(True for wireless communications in orthogonal frequency division multiplexing matlab simulation source code.)
- 2009-09-02 09:07:22下载
- 积分:1
-
Sim
电机控制系统,02年开始积累,效果好,速度快,PI控制,经典控制,fuzzy PID,自适应控制,速度位置控制等等,欢迎大家参考。(Servo motor control system, in 2002 began to accumulate, effective, fast, PI control, classical control, fuzzy PID, adaptive control, speed position control, etc., we welcome the reference.)
- 2013-12-11 14:18:26下载
- 积分:1
-
depec
用来进行滤波的,这是基于matlab环境的编程程序。(I hope this code can help others.)
- 2010-06-29 11:30:46下载
- 积分:1
-
clark-and-park
本代码是CLARK和PARK变换的m文件和simulink模型,即从三相坐标变换到两相坐标的变换。(This code is CLARK and the PARK transform of the m file and the Simulink model, namely from the three-phase to two-phase coordinate transformation of coordinate transformation.)
- 2014-09-03 10:55:22下载
- 积分:1
-
Exercise4
exercise 4 for icarnegie ssd4
- 2013-12-04 03:08:33下载
- 积分:1