niepdhz

时频域联合反射法（TFDR）故障测距原理及相关论文 (Joint time-frequency domain reflectometry (TFDR) fault location principle and related papers)

说明：  ofdm 信道估计 16qam MMSE估计 对比了块状导频和梳状导频的区别(ofdm channel 16qam MMSE compare with block pilot and comb pilot)

VISUALB BASIC 制作安装程序 ，更明白，更好用(Setup VISUALB BASIC produced a better understanding and better use)

安卓手机调用蓝牙实现热敏打印机打印，多品牌打印机可用(Android mobile phone calls Bluetooth to print thermal printers, multi-brand printers are available)

用DFT对连续时间信号进行谱分析，用DFT定义进行计算，不同抽样频率不同抽样点下的谱分析Matlab实例。(The continuous time signals are analyzed by DFT, and calculated by DFT definition. The Matlab examples are analyzed under different sampling frequencies and sampling points.)

画出13位巴克码的时域波形及其自相关函数(waveform and autocorrelation of 13 bit barker code)

CMOS在信号接收端的应用，Gilbert混频器的实现(A LINEARIZATION TECHNIQUE FOR RADIO FREQUENCY CMOS GILBERT- TYPE MIXERS)

matlab code for qpsk

实现完整的4CPM(h=1/2)调制解调程序，包括消息序列生成，串并转换，升抽样成形滤波，数字上变频，多项式非线性效应，AWGN信道，到接收端数字下变频，降采样，匹配滤波，接收端基带信号星座图。(Message sequence generation, serial-parallel conversion, up sampling shaping filter, digital upconversion, polynomial nonlinear effects, AWGN channel, to the receiver digital down-conversion, down-sampling, the matched filter, the receiving end the baseband signal constellation.)

用C++写的LDPC的传输仿真程序,包括编码,BP译码以及判决()