dvbt2_exp_101227_v021001

利用matlab对图形进行辨识，图形是基本图形，包括 矩形 圆 半圆等(Using matlab to identify graphics, graphics is a basic graphics, including a round semicircle, such as rectangular)

用于最大信噪比准则方向图和功率谱，自己编写，仅供参考(Pattern for maximum signal-to-noise ratio criterion and the power spectrum, write your own, for reference only)

动态矩阵预测控制DMC算法的matlab程序，单输入单输出的。(Dynamic Matrix Predictive control the DMC algorithm of matlab program, single-input single-output.)

逆变器的调制方法有多种，如单极性调制，双极性调制，单极倍频调制等，此处是单极性调制，并给出单极性调制发生器(There are many modulation methods for inverters, such as unipolar modulation, bipolar modulation, unipolar frequency modulation, etc. This is unipolar modulation, and a unipolar modulation generator is given)

其内容有： 1.基带输入波形及其功率谱 2.QPSK调制信号及其功率谱 3.AWGN信道输出及其功率谱 4.通过瑞利信道之前和之后的信号星座图 5.在高斯白噪声和瑞利衰落信道条件下的误码性能以及高斯白噪声的理论曲线，所有误码性能曲线在同一坐标比例下绘制 (Bird 其 bleed at the nose 容 To: 1. 入 price turbulent Shu Huai Zhi形其 谱 2.QPSK Carex Kun Qin Zhi制信ulcers 其 Carex Kun 谱 3.AWGN信die HUAI embankment loved Kun 其 Carex 谱 4. 瑞 Services Toru Hitomi信die Core之前之up cavity ulcers信standard 5 star座. Now Inquiry assistant噪dumb声Rui Hitomi 瑞衰Miao Li Shu信die cavity误your tungsten loved consultation can begin Xikui NAI噪dumb声cavity理Sinopodisma 曲 All线，误bleed at the nose W Chu线曲 Xikui Now filthy instance, bird)

说明：  语音编码matlab实现程序代码（其中子程序会陆续上传）(Achieve speech coding matlab code (where the child will continue to upload))

说明：  通过求矩阵特征多项式的根来求其特征值 幂法求矩阵的主特征值及主特征向量 瑞利商加速幂法求对称矩阵的主特征值及主特征向量 收缩法求矩阵全部特征值 收缩法求矩阵全部特征值 位移逆幂法求矩阵离某个常数最近的特征值及其对应的特征向量 QR基本算法求矩阵全部特征值 (Characteristic polynomial by the root of a matrix to find the eigenvalues ​ ​ of a matrix power method and the main characteristics of the main features of the value of acceleration power vector Rayleigh quotient method Symmetric Matrix Eigenvalue and the main characteristics of the main vector of contraction method to shrink the value of all the characteristics of a matrix Law of the value of all the characteristics of a matrix inverse power law shift away from a constant of a matrix eigenvalue recently and its corresponding eigenvector matrix QR algorithm for getting all the characteristics of the basic values)

a full asics of the matlab very easy to learn and identify

分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声 绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线比较对比(They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a reception filter are root raised cosine filter channel noise to draw error BPSK and QPSK modulation under additive white Gaussian noise rate and SNR graph, and compare and contrast the theoretical curve)

本程序用于在给定风向的情况下，计算风从某点传播至另外一点的最短距离(This procedure is used in the case given Winds calculate the wind is propagated to another point of the shortest distance from a certain point)