1-2DoublebandSpecrum

输入UTC时间，计算月球在J2000和WGS84坐标系中的位置和速度(Input：UTCtime Output：Position and velocity of moon in J2000 and WGS84)

此文档包含了matlab的常用语句，适合初学者入门使用(The document contains matlab common expressions, is suitable for beginners introduction use )

二维地震的反演程序，对学习地震数据处理很有用的哦(Two dimensional seismic inversion program, useful for learning seismic data processing.)

matlam descrete event simulatio source

包含了QPSK、OQPSK调制，QAM调制，以及16QAM调制通信系统仿真，采用格雷码，升余弦滤波，高斯信道(Includes QPSK, OQPSK modulation, QAM modulation, and 16QAM modulation communications system simulation, using Gray code, raised cosine filtering, Gaussian channel)

用matlab来实现各种滤波，如频域低通滤波，理想低通，巴特沃斯等。(Using matlab to achieve a variety of filters, such as frequency-domain low-pass filter,an ideal low-pass Butterworth and so on.)

数值计算-插值【matlab例程】经典算法直接应用方便快捷(Numerical calculation- interpolation routines] [classical algorithm matlab convenient direct application)

为了实现DOA和时延的联合估计,提出了一个无线通信中高分辨率的联合角度和时延估计方法,该方法不需要对参数进行搜索,利用空时矩阵的特征向量和特征值分别估计DOA和时延,通过特征值和特征向量的对应关系,估计的参数可以自动实现配对, 只要各路径信号的DOA和时延不同时接近此方法都可以适用,与JADE-MUSIC,JADE-ESPRIT和SI-JADE算法相比,该算法具有较好的鲁棒性和较小的估计误差。仿真结果证明了该算法的有效性。 (In order to achieve the joint estimation of DOA and delay, proposed a wireless communications joint angle and high resolution delay estimation method, the method does not require parameters to search using the space-time matrix eigenvectors and eigenvalues​ ​ , respectively, and the estimated DOA delay, by the correspondence between eigenvalues ​ ​ and eigenvectors, the estimated parameters can be automatically paired DOA and delay of each path as long as the signal is not close to this same method can be applied, with the JADE-MUSIC, JADE-ESPRIT and SI-JADE algorithm, the algorithm has better robustness and smaller estimation error. The simulation results show the effectiveness of the algorithm.)

以MATLAB將影像做邊緣偵測以及邊緣強化， 邊緣偵測分別為Prewitt以及Canny， 邊緣強化是將邊緣做銳利化(MATLAB will do to the image edge detection and edge enhancement, edge detection, respectively Prewitt and Canny, edge enhancement is done to sharpen the edge)

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