region-of-interest

某家电企业在全国二线城市的年销售量Y(单位：万台)与该城市人口数X1(单位:万人)以及该市人均月收入X2(单位:元)之间的关系，在某年对15个城市作了调查，得上述各量的观测值（见数据表data1.txt）(A household electrical appliance enterprises in the country in sales of second-tier cities, Y (unit: million units) and the urban population, the number of X1 (unit: million) and the city' s per capita monthly income X2 (unit: yuan) between, in a particular year made a survey of 15 cities, was the amount of the above observations (see data sheet data1.txt))

主成分分析法源码，可用于提取主成分，识别率百分之九十(the PCA code)

LDPC(低密度奇偶校验码)编码是提高通信质量和数据传输速率的关键技术。LDPC码应用于实际通信系统是本课题的研究重点。编码资料(LDPC (Low Density Parity Check) codes is to improve communication quality and data transfer rates of key technologies. LDPC codes used in practical communication systems is the subject of research. Encoded data)

相位解缠是INSAR数据处理的重要步骤，本文用基于FFT的最小二乘法实现实现相位解缠(Phase unwrapping)

RUNGE法求解阻尼振动问题，给出物体的运动方程及驱动力，求出物体的振动曲线（附报告）(Solving RUNGE vibration damping, given the equation of motion of objects and driving force, find the object of the vibration curve (with report）)

粒子群算法，自己编写的，可以用，matlab语言环境(Particle swarm optimization, I have written, you can use, matlab language environment)

用matlab编写的遗传算法加上粒子群算法，求解最优配置问题的程序(Prepared by the genetic algorithm with matlab with PSO, the optimal configuration problem solving process)

产生伪随机M序列，作为系统输入，可以改变级数(create M order number)

比较协作通信中AF、DF的性能，有误码率的比较，以及实验值与理论值的比较(Comparison of collaborative communication, the AF, the DF performance, comparison of the bit error rate, and the comparison of experimental and theoretical values)

Basic Differential Encoding/Decoding of input vector of numeric values(Basic Encoding/Decoding of input vector of numeric values)