calc_RL

说明：  使用卡尔曼滤波进行目标追踪的matlab源代码(The use of Kalman filter for target tracking matlab source code)

说明：  计算时程信号数据的快速傅里叶变换，进行频谱分析(The fast Fourier transform of time history signal data is calculated and the spectrum analysis is carried out)

贝塞尔函数与汉克尔函数的Matlab实现(Bessel function and Hankel function of the Matlab implementation)

可以实现十几位整数的四则运算，效率也较好(Four operations can be more than a dozen integer,and the efficiency is better)

用于计算锁模激光腔中增益饱和强度，用于锁模激光(For calculating the gain saturation intensity in a mode-locked laser cavity for a mode locke)

随机数生成程序，该随机数呈zipf分布，就是大家常说对于内容的访问遵循80/20原则，也就是20 的内容，会占有80 的访问量。(Random number generator, the zipf was distributed random numbers, that is, we often say that the access to the content to follow the 80/20 principle, which is 20 of the content will occupy 80 of visits.)

cape是计算对流有效位能和对流抑制能的一个fortran。广泛应用在大气科学计算大气垂直速度的诊断分析中。(cape is the calculation of CAPE and convective inhibition energy of a fortran. Widely used in calculation of the vertical velocity of atmospheric science and diagnostic analysis.)

n of the parity check matrix

利用abaqus二次开发平台，利用for语言编写的混凝土弹性本构(Use abaqus secondary development platform, the use of language for concrete elastic constitutive)

计算等径双圆筒透镜的场分布，并画出等位线分布图(Calculation of Electron Physics )