shiyanceshi

利用MATLAB实现OFDM的发送和接收，QPSK调制、串并转换、IFFT变换、添加循环前缀，并且给出频谱图(Using MATLAB to transmit and receive OFDM, QPSK modulation, series-to-parallel conversion, IFFT transformation, adding cyclic prefix, and giving the spectrum.)

调试通过了的基于89S51的串口芯片1307和24C02的程序-Debugging through a serial port-based 89S51 chip 1307 and the 24C02 procedure

uses for VASP. change .cell file to POSCAR(ses for VASP. change .cell file to POSCAR)

关于数字钟的实现，用VHDL实现时，分，秒，的显示，并能报时-Digital clock on the realization of VHDL to achieve with hour, minute, seconds display, and time

************************************* A frequency counter which can read frequencies from 0Hz to 50MHz

ofdm系统全局函数，包括可视化窗口的定义-OFDM system, global function, including the definition of visualization window

关于小波去噪的MATLAB源程序 实现图像和信号的去噪(Wavelet Denoising MATLAB on the source image and signal denoising)

用汇编语言编译的一个内容简单，可以执行加减乘除的计算器-assembly language compiler as a simple, the implementation of the arithmetic calculators

题目：请输入星期几的第一个字母来判断一下是星期几，如果第一个字母一样，则继续判断第二个字母。 1.程序分析：用情况语句比较好，如果第一个字母一样，则判断用情况语句或if语句判断第二个字母。-Title: Please enter a few weeks the first letter to determine what is the day of the week, if the first letter of the same, then continue to determine the second letter. 1. Program analysis: statement by the situation better, if the first letter of the same, then the judge with the case statement or statements to determine if the second letter.

说明：  试验模态分析的时域识别方法的一种，可以识别出信号的模态参数，固有频率阻尼比振型系数，(Experimental modal analysis of a time-domain identification method that can identify the signal modal parameters, natural frequency mode of vibration damping ratio coefficient,)