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IM
- 控制台程序。要求:输入一个UNICODE的中文文本。结果,统计字符之间的的频率和多元互信息。-console procedures. Requirements : a UNICODE importation of Chinese text. The results, statistics between characters in the frequency and diversified mutual information.
声波频率显示
- 一个不错的音频源码-a good audio source
电子线路实验报告
- 设计一数字 频率计,其技术要求如下: (1) 测量频率范围:1Hz~100kHz。 (2) 准确度Dfx/fx£ ± 2%。 (3) 测量信号:方波,峰峰值为3V~5V。-design a figure frequency meter, the technical requirements are as follows : (a) measuring frequency range : 1Hz- 100kHz. (2) the
dds正弦发生器代码
- 讲述了dds直接数字频率合成的基本原理,同时用VHDL语言编写dds原代码用于生成正弦波,并在ISE开发平台进行仿真和MATLAB验证正弦波输出结果-described dds direct digital frequency synthesis of the basic tenets addition to the use of VHDL prepared dds source used to produce sine, and IS
mytlab
- myfft是一个自编matlab函数,将输入的采样频率个采样点数建立一个数据库后,取出表中的数据进行fft分析,绘制出时频波形进行比较分析-myfft self Matlab is a function of the input sampling frequency of 000 sampling points after the establishment of a database and extract table data ff
热敏电阻呼吸频率传感器
- 呼吸传感器应用技术的关键是采集呼吸的信号并准确地在计算机中显示出来。本文就从呼吸传感器的原理出发,对测量系统中的各个部分分别介绍;论文的前两部分从温度的标定和温度传感器材料的选取,提出了把铂作为材料的根据;论文的中间部分分析了计算机接口和总括的测量系统,并对采集到的信号进行了分析;论文的最后从人机工程学的角度考虑了呼吸传感器的应用。 全文以温度传感器为主线,介绍了利用温度传感器测量呼吸频率的原理,并对实验得到的数据进行了分析。-resp
t3FreOut
- C8051F040 t3可调频率方波输出例程-C8051F040 adjustable frequency square-wave output routines
t2t3t4
- c8051f040 t3频率方波输出,T4脉冲计数,T2计时例程-c8051f040 frequency square-wave output, pulse counting T4 and T2 time routines
pitchana
- 在语音中提取基音频率的程序。输入为.wav格式的语音文件,输出各帧基音频率。-This is a project of pitch extract of voice. When input is a wave file(.wav), the output will be the fundamental frequency of each fr a me.
占空比和频率
- 用ATMEL公司的S52内部定时器测量脉冲频率,范围从0.5Hz到30KHz,该程序已经调试成功,可以直接运用。-ATMEL Corporation with the S52 internal timer pulse measurement frequency range from 0.5 Hz to 30KHz, the debugging procedure has been successful, can be directly
plj
- 本程序为VHDL编写的频率计,测频范围从0.1Hz到1G-VHDL procedures for the preparation of the frequency meter, measuring frequency range from 0.1Hz to 1G
200hz频率产生
- 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!
WMIGetCupInfo
- 利用WMI获取CUP个数以及CPU频率的程序, 对想了解WMI编程方法的朋友有一定的帮助-use WMI access CUP CPU frequency and the number of procedures, would like to know the programming method of WMI friends can help
基于 CPU 的精确计时器,时钟频率越高,计时越准
- 基于 CPU 的精确计时器,时钟频率越高,计时越准 -on CPU precision timer, clock frequency, the higher the more time-
简易的频率到电压转换器
- 基于51系列单片机的简易的频率到电压转换器,工程实践中的经验总结-SCM simple voltage to frequency converter, the practice of engineering experience
函数信号发生器
- 系统能够产生正弦波、方波、三角波。同时还可以作为频率计测频率。函数信号的产生由MAX038和外围电路完成,能产生1Hz—20MHz的波形。-system can produce sine, square, triangle wave. Also as frequency measurement frequency. Signals generated by the MAX038 completed and the external ci
USB2.0频谱分析仪
- USB2.0频谱分析仪是一种高分辨率的动态信号谱分析系统,既可用于中低频低通信号的分析和处理(最高频率不超过20MHZ),也可用于频率很高的带通信号的分析和处理。-USB2.0 spectrum analyzer is a high-resolution dynamic signal spectrum analysis system, which can be used in low frequency communication, a
用频率采样法设计FIR滤波器
- 有限长脉冲响应滤波器的频率采样设计,能够图形显示滤波器的幅频特性曲线-finite impulse response filter frequency sampling design, graphics filter to the amplitude and frequency characteristic curve
src_program1
- 该程序用于采样频率的转化,使用visualdsp++开发环境开发的。-procedures for the sampling frequency conversion, the use VisualDSP development of the development environment.