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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 used.
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!
使用3310液晶的数字频率计源程序
- 使用LCD 3310液晶显示屏的数字频率计源程序-use LCD display digital source Cymometer
测cpu频率
- 本人写的小程序可以测试您的cpu正在运行的频率!简单实用!直接下载在vc上运行!-I write small programs can test your cpu running frequency! Simple and practical! Download the vc run!
Pitch_extraction_procedures
- 基音提取程序,对于给定一段语音,按一定时间分帧,并从中提取出基音频率-Pitch extraction process, for a given period of voice, according to a certain time-frame, and extracting the pitch frequency
formant_pitch_cepstrum
- 利用倒谱求出语音信号频谱包络和基音频率。-Cepstrum was calculated for the spectrum envelope of speech signal and the pitch frequency.
frequncy
- 频率计,测时法,测周法测量频率,555产生频率信号,利用单片机实现测量并显示在LED上-Cymometer measured when the law, measuring the frequency of testing weeks, 555 have a frequency signal, using SCM measurement and display in the LED on the
esprit
- 频率估计的ESPRIT方法,实现频率的精确估计,并可推广到空间到达角的估计-frequency estimation with ESPRIT method
eda
- 课程设计要求设计并用FPGA实现一个数字频率计,功能:频率计。具有4位显示,能自动根据7位十进制计数的结果,自动选择有效数据的-Curriculum design to design and FPGA implementation of a digital frequency meter, function: frequency meter. With four shows that will automatically count 7 the results of the metric sys
low_pass
- 设计一个低通滤波系统,任意输入三个频率使输入的信号中留下频率最低的 一个分量。-Designed a low-pass filter system, indiscriminate importation of the three input signal frequency so that left one of the lowest frequency component.
chirplet_analasis
- 针对信号自适应chirplet分解未知参数多、实现起来比较困难的特点,文献[1]提出了一种新的chirplet分解快速算法。该算法利用计算信号的二次相位函数,得到其能量分布集中于信号的调频率曲线上的结论,此时通过谱峰检测可同时获得chirplet调频率、时间中心和幅度的估计;然后通过解线性调频技术获得其初始频率和宽度的估计,仿真结果验证了本文算法的有效性。-this code includs one method for chirplet analasis,that is used in voi
precisionfrequencysource
- 等精度频率计 利用51单片机实现 有源码以及执行文件-Such as the use of precision frequency source have 51 single-chip implementation and the implementation of document
frequency_characteristics
- 控制系统仿真中的频率特性的MATLAB源码-Control System Simulation of the frequency characteristics of the MATLAB source code
C
- 在电子技术中,频率是最基本的参数之一,又与许多电参量的测量方案、测量结果都有十分密切的关系,因此频率的测量就显得更为重要。测量频率的方法有多种,其中电子计数器测量频率具有精度高、使用方便、测量迅速,以及便于实现测量过程自动化等优点,是频率测量的重要手段之一。在本次毕业设计中我们选择使用单片机来制作数字频率计,并在实际制作中采用了直接测频法。利用延时产生的时基门控信号来控制闸门,通过在单位时间内计数器记录下的脉冲个数计算出输入信号的频率,最终送入LCD中显示。这样制作出来的频率计不仅可以满足设计题
shuzipinlvji
- 数字频率计的设计,有设计流程,设计中用到的元件原理电路,接线,方案论证。-Digital Design, a design flow, design of components used in the principle of circuits, cables, demonstration program.
shuzipinlvji
- 本数字频率计将采用定时、计数的方法测量频率,采用一个1602A LCD显示器动态显示6位数。测量范围从1Hz—10kHz的正弦波、方波、三角波,时基宽度为1us,10us,100us,1ms。用单片机实现自动测量功能。-This digital frequency meter will use fixed time, the counting method survey frequency, uses 1602The LCD monitor dynamic to demonstrate 6 fi
pinlv
- 一个基于51片子的数字频率计,希望对做毕业设计的同学有帮助!-51 film-based digital frequency meter, and they hope to do graduate design students help!
SpectrumAndPhase
- 老外写的一份关于瞬时频率的算法程序及代码,很好很强大,十分值得一看哦。-Written by a foreigner on the Instantaneous Frequency algorithm program and code, very good very strong and very worth a visit oh.
FunctionGenerator
- 设计内容:以STAR ES598PCI单板机,开发能够输出多种波形且频率可变的函数发生器。设计要求: (1)能够输出锯齿波,三角波,正弦波,脉冲波. (2)能根据键盘命令进行波形之间的切换. (3)能对输出的波形频率进行调节。 -Design content: STAR ES598PCI single board, developers can output a variety of waveforms and variable frequency function genera
频率测量
- 该程序实现频率测量,程序简洁明了,功能强大,适用于教学研究(The program realizes frequency measurement. The program is concise and clear, powerful, and suitable for teaching research.)