bachai

详细介绍了数组高精度数，通过这个资料可以很好的学习如何使用(Introduces in detail to solve the array degree, through this material can be very good learning how to use )

单色发散光束经透射型布拉格光栅的特性的matlab仿真图示(Monochromatic divergent beam transmission Bragg grating characteristics)

研 究了双目视觉测量系统的结构参数优化问题.对双目视觉测量的有效视场约束条件进行了数学 描述，建立了双目视觉坐标测量系统的数学模型.在考虑像点提取误差的条件下，利用误差理论建立了测量 误差模型，并基于待测量的视场范围要求，定义了测量系统结构参数的优化指标。最后，通过枚举法进行了 优化求解.(Studied binocular vision measurement system to optimize the structural parameters of the problem. For the effective measurement of binocular vision bound by the terms of field of view of mathematical description of the establishment of binocular vision coordinate measuring system mathematical model. In considering the error as the point of extraction conditions the use of error theory the establishment of measurement error model and measurement based on the field of view to be the scope of the requirements of the definition of the measurement system parameters to optimize the structure of indicators. Finally, the optimized enumeration method for solving.)

说明：  MATLAB实现Ovsf扩频解调，WCDMA(MATLAB implementation Ovsf Spread)

说明：  该程序包括了ofdm和qam两种调制的matlab仿真程序，并对两种调制方式进行了对比分析并仿真。(the program includes two QAM OFDM modulation and the Matlab simulation program, and two modulation methods for comparative analysis and simulation.)

应用半定松弛解决最大似然复杂度问题，可以高效实现算法求解，提高运算效率，误差最小化。(Efficient Implementation of Quasi-Maximum-Likelihood Detection Based on Semidefinite Relaxation)

calculate the allan variance

说明：  该程序能够成功地基于EPANET进行压力驱动状态模拟。(this program can perform pressure driven simulation based on EPANET.)

不同光程比值对色散关系的影响，光子晶体中光程的比值定义为高低折射率所对应的光程的比值，计算公式为定义为 (Effects of different length ratio on the dispersion relation)

通过步进频率技术实现二维信号的带宽合成，提高雷达信号的距离向分辨率。(Through the step frequency technology to 2 d signal bandwidth synthesis, improve the distance of the radar signal to the resolution. )