quirk

炮弹发射视为斜抛运动，已知初始速度为200m/s，问要击中水平距离360m、垂直距离160m的目标，当忽略空气阻力时，发射角应多大？此时炮弹的运行轨迹如何？(Projectile launch angle problem )

实现两组数据的相关分析，计算相关系数和假设检验值，同时进行线性拟合(Achieve two sets of data correlation analysis, hypothesis testing and calculation of correlation coefficient values, and linear fit)

说明：  基于Matlab的完整的OFDM通信系统的仿真设计，内容主要包括编码，IFFT，调制，上下变频，高斯信道建模，FFT，PAPR抑制，同步，解调和解码等模块，并仿真验证了通信系统的可靠性。(The simulation design of the complete OFDM communication system based on Matlab mainly includes coding, IFFT, modulation, up-conversion, Gaussian channel modeling, FFT, PAPR suppression, synchronization, demodulation and decoding, and the simulation of the communication system. reliability.)

source code about microphone array,maybe usefule for you

Matlab实用工具箱，可实现遗传算法优化功能。(Practical Matlab toolbox genetic algorithm optimization function.)

负正弦加白噪声随机过程下使用MUSIC方法进行信号频率估计仿真，信号样本数去1000，估计的自相关矩阵为8阶，分别采用AIC和MDL准则估计信号源个数，并画出相应的MUSIC频率估计谱线。(Negative sine plus white noise random process method using MUSIC frequency estimation simulation, signal samples to 1000, the estimated autocorrelation matrix of order 8, AIC and MDL criteria were used to estimate the number of signal sources, and draw the corresponding MUSIC frequency spectrum estimation.)

典的三代相干体算法C1/C2/C3,用于地震资料解释中(compute coherency in seismic interpretation)

自己做的异步电机矢量控制模型，通过运行，验证有效，word文档中有详细的建模方法。(Do their own model of induction motor vector control, by running, verify that the effective, word document in detail the modeling method.)

无约束一维极值问题，进退法，黄金分割法、奜波那契法，牛顿法，割线法，goldstein法，wolfe-powell 算法matlab源代码(Unconstrained a d extremum problems, in a method, the golden section method, wave that contract law, Newton method, secant line rule, goldstein method, Wolfe-Powell algorithm matlab source code )

很详细的matlab使用教程，全书一共十一章。(Matlab use a very detailed tutorial book a total of eleven chapters.)