第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换（ 2DDFT ） 10.2.4 快速傅立叶变换（ FFT ） 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换

Here, wavelets are used in Orthogonal frequency division multiplexing. Wavelets are small waves having amplitude increase starting zero and reduces back to zero. In conventional OFDM, IFFT is used at the transmitter side and FFT is used at receiver.

ofdm system simulation including 16qam modulation fft windowing modules plus cp, Extract important parameters, Machine learning routines.

Dual-line interpolation FFT harmonic analysis kaiser windows, Using MATLAB dynamic clustering or iterative self-organizing data analysis, Build a framework OFDM communication system.

ofdm system simulation including 16qam modulation fft windowing modules plus cp, Fractional Fourier transform computing, Use of natural gradient algorithm.