可以利用AT89C51,对模数转换IC ADS7804能够显示出其电压值

ex6_1 ～ ex6_3二项分布的随机数据的产生 ex6_4 ～ ex6_6通用函数计算概率密度函数值 ex6_7 ～ ex6_20常见分布的密度函数 ex6_21 ～ ex6_33随机变量的数字特征 ex6_34 采用periodogram函数来计算功率谱 ex6_35 利用FFT直接法计算上面噪声信号的功率谱 ex6_36 利用间接法重新计算上例中噪声信号的功率谱 ex6_37 采用tfe函数来进行系统的辨识，并与理想结果进行比较 ex6_38 在置信度为0.95的区间上估计有色噪声x的PSD ex6_39 在置信度为0.95的区间上估计两个有色噪声x，y之间的CSD ex6_40 用程序代码来实现Welch方法的功率谱估计 ex6_41 用Welch方法进行PSD估计，并比较当采用不同窗函数时的结果 ex6_42 用Yule-Walker AR法进行PSD估计 ex6_43 用Burg算法计算AR模型的参数 ex6_44 用Burg法PSD估计 ex6_45 比较协方差方法与改进的协方差方法在功率谱估计中的效果 ex6_46 用Multitaper法进行PSD估计 ex6_47 用MUSIC法进行PSD估计 ex6_48 用特征向量法进行PSD估计-ex6_1 ~ ex6_3 binomial distribution of the generated random data ex6_4 ~ ex6_6 generic function value of the probability density function ex6_7 ~ ex6_20 common distribution density function ex6_21 ~ ex6_33 figure characteristics of random variables periodogram function ex6_34 used to calculate the power spectrum ex6_35 direct method using FFT signal above the noise of the power spectrum ex6_36 recalculated

计时程序,对8253进行分频,使用二个计数器,使第二个计数器的OUT作为中断源,送到8259产生中断,在LED上显示时间-time procedures for the 8,253-frequency, the use of two counters, so that a second counter OUT interrupted as a source to have interrupted 8259, the time shown on the LED

用Win32Asm语言编写，计算1901-2050的农历、节气数据。-Win32Asm languages used to calculate the 1901-2050 Lunar, Solar data.

此程序完成功200HZ的固定频率,稳定性很高,波形失真度小,如果要想产生固定频率,这个程序是最好的选择!-success of this procedure 200Hz End of fixed-frequency, high stability, waveform distortion small, if they have a fixed-frequency, the procedure is the best choice!

汇编指令的英文指令解释（对初学者来说，结合英文阅读有助于记忆指令，因为指令都是英文的缩写）-the code of ASM, when you study the ASM, you should read

verilog写的分频程序,可以对输入的频率分频-Verilog write the sub-frequency procedures, can the frequency of the input frequency

202.asm－－ －演奏“八月桂花香”源程序-202.asm--- Recital 八月桂花香 source

用89C2051实现恒速控制，原理图、印刷电路板图、软件源程序-To achieve constant speed control with 89C2051, schematics, printed circuit board diagram, software source code

addpass.rar

利用汇编程序在51单片机上实现了音乐播放器的功能,希望能给大家提供帮助.-use assembler in MCS-51 achieved a music player function, we can hope for help.