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fir_digital
本文对数字基带信号脉冲成型滤波的应用、原理及实现进行了研究。首先介绍了数字成型滤波的应用意义并分析了模拟和数字两种硬件实现方法，接着介绍了成形滤波器设计所需要MATLAB软件，以及利用ISE system generator在FPGA上进行滤波器实现的优势。文中给出了成形滤波函数的数学模型，讨论了几种常用成形滤波函数的传输特性以及对传输系统信号误码率的影响。然后介绍了本次设计中使用到的数字成形滤波器设计的几种FIR滤波器结构。把各种设计方案进行仿真，比较仿真结果，最后根据实际应用的情况并结合设计仿真中出现的问题进行分析，得出各种设计结构的优缺点以及适合应用的场合。(In this paper, the application of the principles and implementation of digital baseband signal pulse shaping filter is studied. First introduced the significance of digital shaping filter application and analysis of both analog and digital hardware implementation, then introduces the shaping filter design requires MATLAB software, and the use of ISE system generator on the FPGA to achieve the advantages of the filter. This paper presents a mathematical model of shaping filter function, the transmission characteristics discussed several common shaping filter functions and the impact on the error rate of the signal transmission system. Then introduced the use of this design to several digital shaping filter design FIR filter structure. The various design simulation, compare the simulation results, and finally according to the actual application and combine design simulation to analyze problems, come and where appropriate to the application advantages and disadvantages of various design s)
- 2014-01-15 09:43:56下载
- 积分：1
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HMC PLL fpga控制程序
HMC 830/833/704控制程序，完成控制时序，对PLL芯片寄存器进行初始化，采用VERILOG语言编写，已在硬件平台上测试通过。
- 2022-06-14 01:29:21下载
- 积分：1
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conv_encoder
TD-LTE中（3.1.7）咬尾卷积码编码器verilog代码(Tail-biting convolutional code encoder verilog code)
- 2014-04-09 11:12:43下载
- 积分：1
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yibuqingling
含异步清零和同步清零的计数器的设计，内容是源代码，以及相关文件，打开即可(Clear cleared asynchronous and synchronous with the counter design, content source code and related documents, can be opened)
- 2011-08-24 10:44:33下载
- 积分：1
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attachments_2010_01_29
dct and idct vhdl code
- 2010-03-24 23:08:41下载
- 积分：1
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verilog HDL
说明： DS18B20温度模块，LCD1602显示(DS18B20 Temperature Module, LCD1602 Display)
- 2020-09-04 15:08:06下载
- 积分：1
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ldpc算法
说明： Basic principle of LDPC code and FPGA implementation of LDPC code
- 2020-06-22 20:00:01下载
- 积分：1
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FIFO
Verilog HDL语言编写异步FIFO(Verilog HDL language, asynchronous FIFO)
- 2012-05-31 15:13:21下载
- 积分：1
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08_4_hdmi_loop
HDMI做为视频输出输入接口已经广泛使用很长时间，主要通过TMDS差分编码传输。本实验通过在HDMI屏幕上显示彩条和输入输出环通实验，来练习视频的时序和视频颜色的表示，为后面视频处理实验做个基础。(HDMI as video output input interface has been widely used for a long time, mainly through TMDS differential coding transmission. In this experiment, by displaying color bars and input/output loop experiments on HDMI screen, video timing sequence and video color representation are practiced to lay a foundation for video processing experiments later)
- 2020-06-17 09:00:02下载
- 积分：1
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THS1206
FPGA来实现数据采集，AD采用TI公司的THS1206，高速并行AD，内含16字FIFO，降低硬件复杂度。(FPGA to realize data acquisition, AD using TI company s THS1206, high-speed parallel AD, containing the 16-character FIFO, to reduce hardware complexity.)
- 2009-07-09 09:08:27下载
- 积分：1
