搜索资源列表
hongwaishoufa
- *红外测试程序,用单片机通过发射管发射38K的调制频率码,由一体化接收并解码由发光管显示。 *正常情况下,由于反射和高灵敏度接收,LED4(P1.3)一直闪烁,可以用黑色纸片完全遮挡接收头使 *之不能接收到发射管的信号,这是LED4熄灭。说明功能性正常-* The IR test program, with the microcontroller through launch tube 38K code modulation frequency integrated receive
registe
- DOS下用来发声的sound函数只能以频率作为参数,所以要完成音符到频率的翻译,没个音的音频可用以模拟频率值输入。-DOS can only be used for voice sound function with frequency as parameter, so to complete the notes to the frequency of the translation, not a sound in the audio input can be used to simulate
text9
- 基于sinmulink的线性叠加、频率保持和比例环节等的仿真。-Based on a linear superposition sinmulink frequency proportional component of maintaining and simulation.
PWM1
- STC12C5A60S2的PWM程序 频率可调的占空比输出-STC12C5A60S2 of PWM duty cycle output with adjustable frequency
QQhongzhaji
- QQ消息轰炸机,频率非常快,可以把对方炸掉线-qq hongzha ji feichangkuai keyiba
pinlvji_demo
- 基于FPGA简易数字频率计代码(1997年B题)-Based on the FPGA digital frequency meter code (1997 B)
HHT
- 实现希尔伯特黄变换,主要是对信号进行视频分析,并且求信号的瞬时频率。-Achieve Hilbert Huang Transform, mainly for video signal analysis, and find the instantaneous frequency of the signal.
APC220wenduxianshi
- 使用AT89C2051单片机,时钟频率为11.0592MHz,用共阳极LED数码管显示及使用DS18B20智能温度传感器,实现apc220远程温度显示-Use AT89C2051 microcontroller, the clock frequency of 11.0592MHz, with common anode LED digital display and use of intelligent temperature sensor DS18B20 realize apc220 remot
lisanfushibianhua
- 1. 观察窗函数的影响。 信号为 , KHz, KHz, 采样频率 KHz。 a) 写出 ( )的频谱 ; b) 分别画出窗长度 , , , 的矩形窗频谱和Hamming窗频谱。观察L的变化对窗谱的主瓣宽度、旁瓣密集度、相对旁瓣水平的影响。 c) 时域采样点数分别取 , , , , 分别画出 加矩形窗及加Hamming窗时DTFT频谱 ; 你能否从频谱上分辨出信号的三个频率分量?若能分辨出,它们的位置和相对大小是否准确?L的大小对频率的物理分辨率(physical fr
Untitled2
- 有一个信号,如果抽样频率,设计一个M点滑动平均系统,要求虑除信号中500Hz的成分,用MATLAB编程仿真结果,确定M的值并画出滑动平均系统的幅频特性图。-Have a signal, if the sampling frequency, to design a M point moving average systems, requirements, in addition to the composition of 500 hz in signal with MATLAB simulatio
ssc
- 动态获取网页内容,并写入表格,并有时间控制刷新频率。统计等-Dynamic access to web content, and written in the tables, and there is time to control the refresh rate. Statistics
pinlvji
- 这是一个测量方波的频率计,可精确地测到方波的频率-this is a frequency check devies and you can check the frequency!
Induction-Motor-Vf-Ctrl
- 异步电机电压随频率自适应给定算法,能满足电机在外部负载波动时维持速度稳定-Auto-adptive control for induction motor based on voltage/frequency changing
Auto-refresh-desktop
- 易语言自动刷新桌面程序源码,可设置刷新频率,后台刷新或激活桌面时刷新。-EasyLanguage program source code to automatically refresh the desktop, you can set the refresh rate, or activate the desktop background refresh refresh.
lcd
- LCD1602显示脉冲频率.本设计提出了一种基于AT89C51单片机开发的数字频率测量仪的设计。系统以单片机AT89C51为核心,构成完备的测量系统。可以对信号进行频率的精确测量,测频在1Hz至10kHZ。采用液晶LCD1602显示被测信号的频率。与传统的电路系统相比,其有处理速度快、稳定性高、性价比高、硬件结构简单的优点-LCD1602xianshi maichong pinlv
doudong
- 一款抖动小软件,可以分别来设置抖动频率和次数。-A jitter small software, you can set the jitter frequency and frequency