vhdl 数字时钟设计

数控机床 多轴插补原理积分算法，实现s曲线加减速原理(Numerical control machine tool multi axis interpolation principle, integration algorithm, to achieve the S curve acceleration and deceleration principle)

数字秒表的VHDL设计,能精确到百分秒,在6位数码管上显示,分别有秒,分,小时,通过目标芯片EPF10KLC84-4验证-VHDL design of digital stopwatch, accurate to the percentage of seconds in the six digital tube display, respectively, have seconds, minutes, hours, through the target chips EPF10KLC84-4 verification

Use this multimeter to make precise electronic measurements and tests. Easy-to-read LCD readout, positive set selector switch and 32" leads. AC voltage

Verilog 语言写的控制 DAC8568 的模块，DAC8568 是SPI接口。(Verilog language used to write the control module DAC8568, DAC8568 is SPI interface.)

实现了lcd1602显示的功能，可以在lcd上显示“年”字，有利于初学者学习lcd在fpga上显示，采用文本编辑的，利用quartus ii 702-Achieved lcd1602 display function, you can lcd display " " The word will help beginners learn lcd display in the fpga, using a text editor, using quartus ii 702

电梯控制，包括楼层按键相应，显示上下状态。(Elevator control, including the floors of the corresponding button to show the whole state.)

小波包分解，重构轴承振动信号，Hilbert包络，FFT进行频谱分析，以获得轴承故障频率。(Wavelet packet decomposition, reconstruction of bearing vibration signal, Hilbert envelope, FFT spectrum analysis to obtain the bearing fault frequencies.)

说明：  verilog编码器、计数器、加法器的程序(Verilog encoder, counter, adder procedures)

Firmware for autotuning Sensor

利用matlab提供的firhalfban函数设计阶数为16、通阻带容限为0.0001的半带滤波器。仿真测试滤波前后的信号时域图，回执滤波器的频率响应特性图(Provided firhalfban function using matlab design order of 16, through the 0.0001 stopband wool half-band filter. Simulation test filtered time domain signal before and after, receipt filter frequency response characteristic diagram)