simu_gps

cdma 系统级仿真,包括好几十个子程序,有调制解调,扩频,解扩,滤波器设计,功能强大！()

螺旋天线的设计与制作 (Helical antenna design and production)

Turbo编码16QAM在AWGN信道中的性能Turboo码份量码为[1,17/15],码率为1/2,采用随机交织器 (Turbo coded 16QAM in AWGN channel performance Turboo code amount of code [1, 17/15], the rate 1/2, using a random interleaver)

语言的文法规则 说明 对原编译程序作了如下修改,增加了输入文件(The grammar rules of the language have been modified as follows to add input files to the original compile)

说明：  单脉冲和差波束法测角的matlab代码及支持函数，生成和差波束鉴角曲线，可以直接运行(The matlab code and support function of single pulse sum difference beam angle measurement can generate sum difference beam angle discrimination curve and run directly)

103转modbus协议C程序，支持多个485端口并能够配置(103 turn modbus protocol C program, more than 485 ports and supports the ability to configure)

说明：  对蓝牙的基本应用测试（包括搜索 链接 数据发送与接受）(The basic test for Bluetooth applications (including search link data is sent and received))

说明：  设计一个巴特沃兹数字低通滤波器，其技术指标为：3dB带宽为0.2π，阻带截止频率为0.3π，通带纹波为1dB，阻带衰减大于30dB，采样间隔T=10ms。 1）采用冲激响应不变法； 2）采用双线性变换法设计； 3）采用FIR的窗函数（Hanning窗、Hamming窗或Blackman窗）设计。(A Butterworth digital low-pass filter is designed. Its technical specifications are: 3 dB bandwidth is 0.2 pi, stopband cut-off frequency is 0.3 pi, passband ripple is 1 dB, stopband attenuation is more than 30 dB, sampling interval T=10 Ms. 1) Impulse response invariance method is adopted. 2) Design by bilinear transformation method; 3) FIR window function (Hanning window, Hamming window or Blackman window) is used to design.)

GF（Q）域上的低密度校验（LDPC）码的译码及其在深空通信中的应用.PDF(GF (Q) domain LDPC (LDPC) code decoding and its application in deep-space communication. PDF)

说明：  通过MATLAB实现基于zc706和ad9361的数据收发例程(Realization of data sending and receiving routine based on zc706 and ad9361 by MATLAB)