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HDLstyle
学习xilinxVHDL语言的一本好书，为官方资料，可方便读者熟悉xilinx的代码风格(A good VHDL,it s fittable for the reader to be familiar with the style of xilinx)
- 2009-10-02 08:42:47下载
- 积分：1
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mimasuo
密码锁 vhdl实现的密码锁 控制程序-mimasuo
- 2022-02-11 23:21:28下载
- 积分：1
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ps2_interface
封装PS2接口驱动，用verilog编写！适用于键盘，鼠标等PS2接口的器件。(failed to translate)
- 2013-05-05 10:48:42下载
- 积分：1
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乘法器功能 直接实现两个数字信号的相乘～
乘法器功能 直接实现两个数字信号的相乘～-Multiplier features two digital signal direct implementation of the multiplication ~
- 2022-01-24 16:28:37下载
- 积分：1
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verilog motor control
verilog motor control
- 2022-09-01 04:55:02下载
- 积分：1
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STM32F407FFT
说明： 使用STM32官方提供的DSP库进行FFT，虽然在使用上有些不灵活（因为它是基4的FFT，所以FFT的点数必须是4^n），但其执行效率确实非常高效，看图1所示的FFT运算效率测试数据便可见一斑。该数据来自STM32 DSP库使用文档(. Using the official DSP library provided by STM32 for FFT is not flexible in use (because it is the FFT of base 4, so the number of FFT points must be 4 ^ n), but its execution efficiency is really very efficient, as can be seen from the test data of FFT operation efficiency shown in Figure 1. This data comes from STM32 DSP library usage document)
- 2020-06-20 19:00:02下载
- 积分：1
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A-law Encoder (VHDL)
- 2022-01-21 03:32:31下载
- 积分：1
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HDL编程风格，很有用,希望对大家有所帮助。
HDL编程风格，很有用,希望对大家有所帮助。-HDL programming style, very useful, we want to help.
- 2023-04-10 16:30:03下载
- 积分：1
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CODE_VHDL_AUTO COUNTING 0 TO 9(Đếm từ 0 đến 9 hiển thị 1 led 7 đoạn)
- 2022-07-22 09:02:58下载
- 积分：1
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Dec_mul
时间同步后即可确定每帧数据的起始位置，这样就能完整的截取下每一帧。但是，数据中还带有频偏信息。在常规的通信系统中，多普勒很小仅仅会带来很小的频偏，但是在大多普勒的情况下，频偏将非常大，20马赫的速度将会带来将近34K的频偏。因此，如何很好的纠正频偏即为本系统的难点。
OFDM中，我们将大于子载波间隔倍数的频偏称为整数倍频偏，而将小于一个子载波间隔的频偏称为小数倍频偏。频偏矫正精度只要能保证小于十分之一倍的子载波间隔，频偏就不会对均衡和解调造成影响。本文中我们借鉴这种思想，由于硬件资源限制，我们将在接收端做64点FFT，即相当于将频域划分为64份，我们将小于 的频偏称为小数倍频偏，将 整数倍的频偏称为整数倍频偏。本程序即基于SCHIMDL经典方法完成小数倍频偏纠正(After time synchronization can determine the starting position of each frame data, so you can complete the interception of each frame. However, in the data with frequency information. In conventional communication systems, doppler small will bring only small deviation, but in the case of most of the doppler, frequency PianJiang is very large, 20 Mach speed will lead to deviation of nearly 34 k. Therefore, how to good to correct deviation is the difficulty of this system.
OFDM, we will be bigger than the sub-carrier spacing ratio of frequency deviation is called the integer frequency offset, and the interval will be less than a child carrier frequency offset is called decimal frequency doubling. Deviation is less than one over ten times as long as can guarantee accuracy of sub-carrier spacing, deviation will not affect balance and demodulation. This article, we draw lessons from the idea, due to the limited hardware resources, we will do 64 points FFT at the receiving end, which is equ)
- 2013-12-26 18:00:24下载
- 积分：1
