verilog digital stopwatch to achieve accurate to 10ms

一个简易的数字频率计，可以对一个输入的信号频率进行测量并显示输出，适合VHDL的初学者-A simple digital frequency meter, you can enter the signal of a frequency measurement and display output, suitable for beginners VHDL

802.3an ldpc码编码、译码设计，使用VERILOG hdl语言编写，包括测试代码，(802.3an ldpc code encoding, decoding the design, use of language VERILOG hdl, including test code,)

用vhdl写的-using VHDL write

数字式移相信号发生器可以产生预置频率的正弦信号，也可产生预置相位差的两路同频正弦信号，并能显示预置频率或相位差值；-digital phase shifting generator can produce preset frequency sinusoidal signal, Preferences may also have phase difference with the way the two-frequency sinusoidal signal, and can show that the preset frequency or phase difference value;

用VHDL编写的计算器，能实现简单的加减乘除四则运算

LDPC encoder and decoder, very simple

this program performs multiplexing and demultiplexing

IT IS THE DP MEMORY MODULE. IT CONTROLS THE DP MEMORY

VHDL语言写的波形发生器和sine波形发生器,一共两个文件，通信开发平台专用。这是一个典型的正玄波发生器程序和一个任意波形发生器程序，大家可以参考学习，对于vhdl入门还是很有帮助的-This is a typical wave generator Shogen procedures and an arbitrary waveform generator procedures, Members can take a learning portal for VHDL or helpful

此程序描述了数字电路中与门的逻辑功能。所采取的硬件描述语言为VHDL。程序结构采用了dataflow的写法。请大家仔细阅读。本程序已通过了Altera quartus的验证。确保准确无误。