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MATLAB 数值计算
- 科研和工程计算可分为数值计算和符号计算两类。数值计算具有适应性强、应用广泛的优点。MATLAB凭借其卓越的数值计算能力而称雄世界。随着科研领域、工程实践的数字化进程的深入，具有数字化本质的数值计算显得愈益重要。 今天计算机几乎已经普及到每个从事工程和科研的从业人员，普及到每个正在接受理工科培养的学生。计算机软硬件的普及使人们拥有了前所未有的计算潜能，激发了人们质疑旧方法尝试新算法的欲望，鼓舞了人们用新计算能力试探解决实际问题的雄心。 本章内容显著不同于常见的数值计算教科书。本章的讨论围绕
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
Wavelet
- 小波变换与傅立叶变换在信号消噪中的对比研究-Wavelet Transform and fourier transform in signal denoising Comparative Study
T.F.A
- 在傅立叶变换时加入适当的时间窗，可以区分多个信号-In the fourier transform when the appropriate time window, you can distinguish between multiple signals
fpga
- 基于FPGA的快速傅立叶变换硬件及软件设计!-FPGA-based fast fourier transform hardware and software design!
2fft
- 基2FFT算法实现改进的一篇很好的文章,有利于傅立叶变换的理解-2FFT-based algorithm to improve a very good article, and is conducive to the understanding of fourier Transform
The_discrete_fractional_fourier_transform
- The discrete fractional fourier transform,分数阶傅里叶变换的详细分析方法。-The discrete fractional fourier transform, fractional fourier transform of the detailed analysis.
FiltrosDigitales
- Trasformada discreta de fourier
Transformadadiscretadefourier
- descripcion de la transformada discreta de fourier
the_realization_of_fft
- 快速fourier变换算法及Matlab程序实现，有助于初学者加深对fft的理解。-Fast fourier Transform algorithm and Matlab procedures for implementation, will help beginners to deepen the understanding of the fft.
Study_on_DWT_vs_DFT_OFDM
- This document is a studying on the fourier OFDM and Wavelet OFDM.
time_frequency
- 这是一篇现代通信原理课程的作业报告.题目为几种时频分析方法比较及应用.详细介绍了短时傅里叶变换、小波变换、魏格纳—威利分布和Cohen类时频分布这4种典型时频分析方法,并作了比较-This is a modern communication Principle operating report. Entitled Comparison of several time-frequency analysis and 应用. 详细 Jieshao the short time fourier tran
fading
- Multicarrier modulation helps to reduce the detrimental effects of multipath fading. Because of its robustness to multipath, and the ease of implementating it in transmitters and receivers using the fast fourier transform (FFT), the MCM concept i
ofdm
- Multicarrier modulation helps to reduce the detrimental effects of multipath fading. Because of its robustness to multipath, and the ease of implementating it in transmitters and receivers using the fast fourier transform (FFT), the MCM concept i
ofdm
- 利用离散傅里叶变换实现ofdm调制，文章很有影响力，极力推动了ofdm技术的应用和传播-Data Transmission by Frequency Division_Multiplexing Using the Discrete fourier Transform
ziliao
- 信号序列的DFT本身就是信号频谱的采样集，所以DFT可直接用于分析信号的频谱。快速傅立叶变换是一种有 效、实用的信号DFT算法。文章通过对DIT－FFT算法的详细分析，提出了一种计算机软件仿真信号频谱分析方案，并给出了 关键算法的C 语言程序。-Signal sequence of the DFT spectrum of the sample itself is a set of signals, so the DFT can be directly used to analyze th
The-discrete-fourier-transform
- 介绍了离散傅里叶变换的原理，DFT,FFT,的相关内容，最后介绍的数字滤波器的原理及分类-Describes the discrete fourier transform theory, DFT, FFT, relevant content, finally introduced the principle of the digital filter and classification
Discrete-fourier-Transform
- Discrete fourier Transform
Fast-fourier-Transform
- to find the discrete fourier transform using the fast fourier algorithm, any sequence of lengths which are multiples of 2 simply append zeros to satisfy this requirement
fourier-Transform
- 分别用解析法和数值法求出并画出信号的幅度谱，并比较它们的结果。-fourier Transform.