total_cost

MATLAB中FFT的使用方法 调用FFT的函数直接通过MATLAB实现(To use MATLAB in FFT FFT of the function calls directly through MATLAB Implementation)

说明：  实现了图像的分块操作，比较方便初学者使用(It is the program for image blocking.)

— In ultra-wideband (UWB) indoor dense multi-path transmission environments, traditional coherent Rake receiver requires estimation of channel parameters. Moreover, in order to collect enough signal energy from dense multi-path components, the number of Rake fingers must be large enough. Consequently, the receiver structure is too complex to be implemented in practice.

说明：  遗传算法matlab源码---里面都是matlab的一些经典实例，很适合初学者！希望对大家有帮助(Matlab genetic algorithm matlab source--- there are some classic examples, it is suitable for beginners! We want to help )

说明：  改程序用于在实验中所测量的振动、噪声、水声以及数值模拟监测所得到的信号，实现信号的低通滤波分析。(The modified program is used to measure the vibration, noise, underwater sound and the signal obtained from the numerical simulation monitoring in the experiment to realize the low-pass filtering analysis of the signal.)

基于Matlab编程环境下的程序，SIFT目前比较热门的特征提取程序。(Matlab programming environment based on the procedure, SIFT now more popular feature extraction process.)

说明：  基于MATLAB平台与相场法的裂缝断裂模拟(this code is used for simulating fracture development of structure based on phase field method.)

本代码将四阶累积量MUSIC算法和常规二阶MUSIC算法进行SNR性能对比。(The code will be fourth-order cumulant MUSIC algorithm and conventional second-order MUSIC algorithm SNR performance comparison.)

说明：  ·Matlab加扰解扰仿真系统，可以观察加解扰前后信号的时域和频域波形，有助于理解扰码的概念和解扰的过程(scrambling and de-scrambling Matlab simulation system Encryption can be observed around the signals in time domain and frequency domain waveforms scrambler help understand the concept of the process and Descramble)

matlab 傅里叶变化原理及程序 函数、傅里叶变换分别以灰度图像的方式或立体图像形式出来(principles and procedures of Matlab Fourier transform functions, Fourier transform, respectively, form of way or three-dimensional image out of grayscale image)