用传输矩阵法计算光子晶体的能带结构的程序 the band structure of_photonic crystals

流体力学SIMPLE算法（C语言编程实现）需自己设定边界条件(SIMPLE algorithm)

说明：  最小二乘法估算三元二阶方程式系数，用于抛物线曲线拟合(Estimating coefficient of second order equation by least square method)

说明：  半桥LLC详细设计流程。包括自己设计的和别人设计的参考(detailed design of half bridge LLC)

Compaq Visual Fortran Error Messages，对于利用CVF编程的programmer是本很好的对照手册。(Compaq Visual Fortran Error Messages, programming, programmer for the use of CVF is a very good control of the manual.)

实现1到1000位的大数运算（包括加减乘除和浮点数运算），运行环境是vs2005(1-1000, large number operations (addition, subtraction and floating-point), the operating environment is vs2005)

给定样本点，采用高斯核密度估计，求出概率密度分布函数。(It is good to use this method to evaluate pdf)

dft频率测量算法，主要针对电网频率的测量(the dft frequency measurement algorithm)

NACA 4位数 翼型数据的生成 Matlab程序(NACA 4 digit airfoil)

说明：  C++ SGP4 Satellite Library

利用扩展卡尔曼算法( EKF)对高动态直接扩频信号的载波相位和频率进行了估计,并利用载波辅助技术测量载波相位的变化值来 校正伪码延时环,减小多普勒频移对伪码延时的影响,得到了精确的延时估计值,提 高了伪码延时锁定环的动态跟踪性能.(The PN delay loop is adjusted through measuring the varied value of carrier phase with carrier aiding technology. The effect of Doppler shift on PN code delay is reduced through carrier aid- ing technology. The precise delay estimation is obtained. The dynamic tracking performance of the PN delay loop is improved.)