test_code_e

用matlab产生不同的波型，对其进行FFT 功率谱，对数谱然后用IFFT进行反变换(Using matlab produce different wave type, its FFT power spectrum, the spectrum and then use the IFFT to inverse transform)

matlab仿真，适合3/4、2/3、5/6、1/2，速率的打孔程序(matlab simulation, for 3/4, 2/3, 5/6, 1/2, the rate of drilling procedure)

DCT- discrete cosine transform. compression ratio and psnr value are calculated

一个帮助外汇交易者判断交易方向的信号，思路是进行突破交易，结合布林带通道和KD指标，KD上涨过程中过滤做空信号，KD下跌过程中，过滤做多信号。(A signal to help foreign exchange traders to judge the transaction direction, train of thought is a breakthrough deal with Bollinger channel and KD index, filter the short signal KD increases, KD falls in the process, filtering the signal to do more.)

粒子群优化(PSO)算法是计算智能领域，除蚁群算法外的另外一种基于群体智能的优化算法。(Particle Swarm Optimization)

Bootstrap(自举法)的Matlab程序 (Bootstrap program)

基于MATLAB的最大功率跟踪的仿真模型(The simulation model of the maximum power point tracking )

合成语音质量的客观评价，包括信噪比，倒谱距离，平均值等。用matlab程序实现。(Synthesis of an objective evaluation of voice quality, including signal to noise ratio, cepstral distance, average and so on. Using matlab program.)

image threshoolding color image

calculate the theoretical exact(in AWGN) SYMBOL ERROR RATE(Ps_SER) verses Eb/No for even numbers of bits per symbol in qam modulation