Artificial-noise

多变量无约束问题的优化最优化方法之梯度下降法(Optimization of the gradient descent method)

使用下面的参数设计信道均衡器，其中使用两个独立的随机数发生器，一个用x(n)来表示，用来测试信道；另一个用v(n)来表示，用来模拟接收器中的加性白噪声的影响。序列x(n)是x(n)=±1的伯努利序列，随机变量x(n)具有零均值和单位方差。第二个序列v(n)具有零均值，其方差由信噪比决定。均衡器有11个抽头。(Use the following parameter design of channel equalizer, which uses two separate random number generator, one with x (n) to indicate, to test the channel the other with v (n) to indicate to simulate the receiver in The additive white noise. Sequence x (n) is x (n) = ± 1 of the Bernoulli sequence of random variable x (n) with zero mean and unit variance. The second sequence v (n) has zero mean, its variance decision by the signal to noise ratio. There are 11-tap equalizer.)

意信号卷积的运算,并且绘制图象，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。( Convolution operation is intended to signal and image rendering, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, ofdm system simulation including 16qam modulation fft windowing modules plus cp.)

image splitting by using k means clustering algorithm

Phase-shift keying (PSK) is a modulation process whereby the input signal, a binary PCM waveform, shifts the phase of the output waveform to one of a fixed number of states. The demodulation process can be divided into three major subsections, as shown by Figure 4. First, since the incoming waveform is suppressed carrier in nature, coherent detection is required. The methods by which a phase-coherent carrier is derived from the incoming signal are termed, carrier recovery, and will be covered first.

对左右格式的立体图片进行分解和合成，进而可以分别对左右视点进行处理或对合成的立体图片进行观看(parse and get the 3d images of side by side)

说明：  实现驾驶员模型的模块化，进行集成控制，减小侧偏角度(Realize the driver model of modularization, integration control, reduce the lateral deflection Angle)

DC-DC部分采用定功率单环控制，计算晶粒的生长，入门级别程序,基于负熵最大的独立分量分析。( DC-DC power single-part set-loop control, Calculation of growth, entry-level program grains Based on negative entropy largest independent component analysis.)

说明：  在matlab中经常用到的函数，用来实现利用3阶，44阶函数(Often used in matlab, used to realize the function of 3 order, 44 order function)

this is a m file for the im