hhspectrum

二维交错网格声波模拟（加PML边界条件）地震(Two-dimensional staggered grid acoustic simulation (plus PML boundary conditions) earthquake)

交互多模滤波器 利用马尔科夫链对多种测量模型分别进行卡尔曼滤波 并利用转移概率对滤波结果进行加权 适用于机动目标跟踪和低空多径噪声下的高度测量(IMM filter Markov chain model for a variety of measurements were Kalman filter and using the filtered result of the transition probability weighting applicable at low altitude maneuver target tracking and multipath noise height measurements)

本程序基于MATLAB,用于计算多层平板波导的导模的等效折射率(The program is based on MATLAB, the equivalent refractive index of the guided mode for calculation of multilayer slab waveguide)

异或校验，用于北斗一代数据计算校验码，已验证(XOR checksum for the data checksum generation Beidou, Verified)

说明：  克里金、反距离插值算法_栅格图等值线填充等(Kriging, inverse distance interpolation algorithm _ isogram filled grid map, etc.)

灰色关联度分析是基于灰色系统的灰色过程, 进行因素间时间序列的比较来确定哪些是影响大的主导因素, 是一种动态过程的研究。(Grey Relational Analysis is based on gray gray process, the comparison of the time series between the factors to determine what affect the the big dominant factor, is a dynamic process.)

用matlab对偶极子电场线描绘，能够和等势线一起画出。改变电荷量就能得到不同的电场线分布。(Electric field line of a diple)

模拟二维BZ反应扩散模型，方法是用显式EULER法求解模型的偏微分方程组(Simulated two-dimensional BZ reaction-diffusion model, the method is to use explicit EULER method for solving partial differential equations model)

在uVision环境下用C编程，用离散傅里叶变换可以计算出频率的值(In uVision environment using C programming, using discrete Fourier transform frequency value can be calculated)

管型燃烧固体火箭发动机压强建立过程计算程序 输入为比热比，燃气气体常数，点火温度，推进剂密度，装药直径（内径和外径），喷管喉部直径，装药体积，燃速相关常数 输出为压强和工作时间(tube type of solid rocket motor combustion pressure build process calculation programs for heat input than, gas gas constant, the ignition temperature, propellant density, charging diameter (inside and outside), nozzle throat diameter, charging volume, burning rate pressure and related constant output to work time )