Fractal-image-coding

This an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to have multi-rate operation. The input sample rate is equal to chip rate and the output is at symbol rate. Two rates are related by PG, processing gain

说明：  BP source code for matlab

Frequency estimation by searching the pure tone frequency with 2-pole filter(Frequency estimation by searching the pur e tone frequency with 2-pole filter)

说明：  本程序为基于译码转发的协同通信仿真程序，能够绘制出信噪比和误码率的关系曲线(This procedure is based on collaborative communication decoding forward simulation program, one can draw the signal to noise ratio and bit error rate curve)

说明：  使用matlab实现手写阿拉伯数字的识别。(Using matlab to achieve the recognition of handwritten Arabic numerals.)

code for carlike vehicle

matlab编写的计算Xp-70盆式绝缘子交流污秽闪络程序。(A matlab program to calculate the ac pollution flashover voltage of Xp-70 insulator.)

压缩感知的差分量化,此代码是基于块的压缩感知量化，减少了bit率，对压缩感知的量化有起步作用。(compressed sending ，bcs-spl-dpcm)

用matlab计算米散射和吸收系数的一些程序(Mie scattering and absorption coefficients calculated by matlab some programs)

说明：  模拟退火算法解决旅行商问题。模拟退火算法能以较大概率求得全局最优解。(Simulated annealing algorithm is used to solve the traveling salesman problem. The simulated annealing algorithm can get the global optimal solution with high probability.)