搜索资源列表
hfm
- 树形结构的应用 ——哈弗曼编码/译码1.程序的功能: 输入明文,通过统计不同字符出现的频率作为权值,生成哈弗曼树,并存于文件中;编码生成暗文,存于文件中;再由暗文生成明文,存于文件中。 2.输入输出的要求: 仅能输入英文字母作为明文,输出0、1组成的暗文。 3.测试数据: (1)asdjfas (2 ) dkfskjdfcijj (3 ) ovenmkjovi-1. Program features: input plaintext, t
cpld11245
- 主要介绍了等精度频率测量原理,该原理具有在整个测试频段内保持高精度频率 测量的优点 同时在该原理基础上,采用了Verilog HDL语言设计了高速的等精度测频 模块,并且利用EDA开发平台QUARTUS11 3 .0对CPLD芯片进行写人,实现了计数等 主要逻辑功能 还使用C语言设计了该等精度频率计的主控程序以提高测量精度。本设 计实现了对频率变化范围较大的信号进行频率测量,能够满足高速度、高精度的测频要 求。-Introduced, such as the accuracy
shiyan6
- 一个8位的十进制频率计数器,功能经过测试.-An 8-bit decimal frequency counter, function tested.
Counter
- 虚拟的电子仪器,可以通过声卡测试频率,仪器的面板功能很多,闸门时间,触发时间等等可以自己定义-Virtual electronic devices, can the frequency of the sound card test, the panel features a lot of equipment, gate time, trigger time and so can the definition of
jisuanqi
- VB做的小计算器,方便计算信道及频率,对手机的测试来说非常方便.-small tool made by VB to calculate channel and frequency
cepin
- 用于测试波形的频率,从10-10Mhz可测,对任意波形可测。-it is based on FPGA and shimite chufa ,and the frequency of the desired wave is gotten.
mATLAB
- 多相结构MATLAB仿真程序 很好的。仿真程序,MATLAB,测试频率在30M以上。-matlab
3230-anqn
- 一个输出正弦波的声波发生器,VC++环境,可以自己输入指定频率发出声音,主要用在一些多媒体设备中用以测试声音基准。程序挺好用,在VC6.0下可以编译。-An output sine wave of the acoustic generator, VC++ environment, you can specify their own input frequency sound, mainly used in a number of multimedia devices to test the so
cepin
- 利用单片机89s52测试频率,还有用笔段式液晶显示出来,里面包含了笔段式液晶的显示时序程序。-Frequency of use Microcontroller 89s52 test, there is a pen-stage liquid crystal display them, which contains the pen-stage procedures for liquid crystal display timing.
Frequency_measurement_precision
- 用FPGA实现等精度测频,比一般测量频率准确,这是控制FPGA的VHDL程序,测试过是好的,可以直接下载使用。-Frequency measurement precision
Plot
- 固高GTS运动控制卡点动模式,可以调节运动距离的频率!经过测试,绝对好使!-Easy to use!dot
frequency25
- 频率分度计,测试信号频率,并将信号频率显示出来,利用VHDL语言编程实现-Frequency meter, the test signal frequency, and the frequency of the signal displayed using VHDL language programming
8253pinlvji
- 0-10MHZ简易频率计,经测试源程序可以使用,请放心使用-0-10 MHZ simple frequency meter, by the test source program can be used, please be assured that use
1602Pcapture
- 430的1602显示以及捕捉的频率值,经本人测试过的可用程序,稳定不出错-430 1602 display and capture the frequency value
微机控制的频率测试仪
- 通过8253和8255两个芯片来测试频率,最后测出来的频率误差在1hz到2hz之间,详细情况请见源代码。(Through 8253 and 8255, two chips to test the frequency, and finally measured frequency error between 1Hz to 2Hz, in detail, see the source code.)
666
- 超声波频率阻尼自检软件,用于超声波测试生产,仅做参考.(Ultrasonic frequency damping self checking software, used for ultrasonic testing production, just for reference)
LCF表参赛V0.1
- 电感电容频率测试电路,老师参赛作品。主要用于电感电容以及频率的测量,精度比较小,仅供参考(Inductance, capacitance, frequency test circuit, teacher entries. Mainly used for inductance, capacitance and frequency measurement, the accuracy is relatively small, for reference purposes only)
频率测试程序
- 测量频率,精度很高,可以测量高频,STM程序,调试成功了。很好用的(Frequency measurement, high accuracy, you can measure high frequency, STM procedures, debugging success. It works well)
140-外部频率测试
- 140-外部频率测试(140- external frequency test)
AD9833 STM32 测试程序
- 运用AD9833芯片实现不同频率正弦波、三角波、方波的的产生,误差在0.1%。(Using AD9833 chip to generate sine wave, triangle wave and square wave with different frequencies, the error is 0.1%)