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[VHDL-FPGA-Verilog] ad_DCT

Description: verilog 编程 有测试文档 基于查表结构实现 离散余弦变换dct 来源：opencores -Verilog Programming is based on the test documents Lookup structure for a discrete cosine transform Extra Source : opencores
Platform: | Size: 33792 | Author: 周信均 | Hits:

[Communication] DDS_VERILOG

Description: 本例给出了DDS的VERIOG的程序事例,可发生正弦\余弦等波形,适应与通信方面的硬件实现!-the cases presented DDS VERIOG procedures example, can occur sine \ cosine wave such as, Adaptation and communications hardware realization!
Platform: | Size: 3072 | Author: 陈榧 | Hits:

[Embeded-SCM Develop] DDSforsinandcos

Description: 用VHDL实现的DDS，可输出正弦、余弦波形。将所有文件放在一个工程文件里，再分别生存模块，按原理图连接及可-using VHDL DDS, output sine, cosine wave. All documents will be placed on a project document, respectively survival module, according to diagram and can link
Platform: | Size: 7168 | Author: 何明均 | Hits:

[VHDL-FPGA-Verilog] magnitude

Description: Verilog HDL: Magnitude For a vector (a,b), the magnitude representation is the following: A common approach to implementing these arithmetic functions is to use the Coordinate Rotation Digital Computer (CORDIC) algorithm. The CORDIC algorithm calculates the trigonometric functions of sine, cosine, magnitude, and phase using an iterative process. It is made up of a series of micro-rotations of the vector by a set of predetermined constants, which are powers of two. Using binary arithmetic, this algorithm essentially replaces multipliers with shift and add operations. In a Stratix™ device, it is possible to calculate some of these arithmetic functions directly, without having to implement the CORDIC algorithm. -Verilog HDL : For a vector magnitude (a, b), the magnitude representation is the following : A common approach to implementing thes e arithmetic functions is to use the Coordinate Rotation Digital Computer (CORDIC) algorithm. The CORDIC algorithm calculates the trigonome tric functions of sine, cosine, magn itude, and phase using an iterative process. It i 's made up of a series of micro-rotations of the v ector by a set of predetermined cons tants, which are powers of two. Using binary ar praxiology metic, this algorithm essentially replaces m ultipliers with shift and add operations. In a Stratix
Platform: | Size: 12288 | Author: 郝晋 | Hits:

[Graph program] DCT-vhdl

Description: 这是一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT)算法,采用VHDL实现-This is a two-dimensional 8* 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL realize
Platform: | Size: 10240 | Author: liujl | Hits:

[VHDL-FPGA-Verilog] dct

Description: 离散余弦变换的verilog源代码，经过验证可实现-Discrete cosine transform of Verilog source code can be verified
Platform: | Size: 27648 | Author: 罗伟 | Hits:

[Multimedia program] dct

Description: Mpeg2视频压缩时进行空间压缩时的离散余弦变换矩阵的verilog实现，采用modelsim验证-Mpeg2 video compression when space compression of discrete cosine transform matrix realize Verilog using ModelSim verification
Platform: | Size: 29696 | Author: mayang | Hits:

[OpenGL program] DCT

Description: 用Verilog HDL编写的离散余弦变换，可用于视频图像压缩，并在modelsim SE6.0中仿真通过-Verilog HDL prepared with discrete cosine transform can be used for video image compression, and modelsim SE6.0 simulation through
Platform: | Size: 1024 | Author: yangyanwen | Hits:

[VHDL-FPGA-Verilog] sinfunction

Description: 用cordic算法实现超越函数,sin,cos用此方法也可以实现其他的sinhx,coshx,ex.代码用verilog编写-CORDIC algorithm with transcendental function, sin, cos by this method can also realize other sinhx, coshx, ex. Verilog code used to prepare
Platform: | Size: 236544 | Author: yu_leo | Hits:

[VHDL-FPGA-Verilog] DCT_IDCT

Description: 离散余弦变换及反离散余弦变换的HDL代码及测试文件。包括VHDL及Verilog版本。可用途JPEG及MEPG压缩算法。-Discrete cosine transform and inverse discrete cosine transform of the HDL code and test files. Including VHDL and Verilog versions. And MEPG can use JPEG compression algorithm.
Platform: | Size: 29696 | Author: caesar | Hits:

[VHDL-FPGA-Verilog] cos

Description: FPGA实现正弦，余弦的计算，verilog语言-FPGA realization of sine, cosine calculation, verilog language
Platform: | Size: 1024 | Author: 霍东建 | Hits:

[VHDL-FPGA-Verilog] rrc_filter

Description: this is a verilog code for root raised cosine filter
Platform: | Size: 1024 | Author: vlsi | Hits:

[VHDL-FPGA-Verilog] arccos

Description: 一个求反余弦的cordic算法，整个工程。包括仿真。可以直接打开。-An inverse cosine of the cordic seeking algorithms, the whole project. Including the simulation. Can be directly opened.
Platform: | Size: 603136 | Author: 11 | Hits:

[VHDL-FPGA-Verilog] fsk

Description: 用Verilog实现FSK调制，调用IP核实现正弦余弦的调制-Verilog implementation using FSK modulation, called IP core to achieve the modulation sine cosine
Platform: | Size: 1024 | Author: Sapphire | Hits:

[VHDL-FPGA-Verilog] cordic

Description: 该程序使用Verilog语言，可以生成dds正余弦信号-The program uses the Verilog language, can generate sine and cosine signals dds
Platform: | Size: 6144 | Author: 王丽 | Hits:

[Other] Nco_gen

Description: NCO产生正余弦振荡波的matlab程序，很实用。-NCO generate cosine Sasser' s matlab program is very practical.
Platform: | Size: 1024 | Author: liujinghua | Hits:

[VHDL-FPGA-Verilog] two_d_dct_serial

Description: Verilog codes for 2D Discrete Cosine Transform (DCT)
Platform: | Size: 37888 | Author: rajkumar | Hits:

[Other Embeded program] DDS

Description: Verilog语言实现基于DDS技术的余弦信号发生器，输出位宽16Bit-Verilog language technology based on the cosine DDS signal generator, the output bit width 16Bit
Platform: | Size: 4096 | Author: 柏承建 | Hits:

[VHDL-FPGA-Verilog] DDS

Description: DDS数字频率合成的verilog代码，附有正余弦查找表等-DDS digital frequency synthesis verilog code, with a cosine look-up table, etc.
Platform: | Size: 16772096 | Author: allen-haha | Hits:

[VHDL-FPGA-Verilog] BPSK

Description: 用于BPSK调制的自行设计，说明如下： 1.matlab.txt中的程序是matlab平台下的.mat格式。目的是输出一个64*4的矩阵，矩阵的每个元素都为0~255间的整数。矩阵每行的四个数是一个码元的四个抽样点的量化值。但由于当前码元通过升余弦滤波系统时，受到前后共6个码元的共同影响，所以是由6个码元共同决定。这6个码元是随机的，可能是0也可能是1（双极性时可能是-1也可能是+1），故6个码元共2^6=64种情况，所以产生的矩阵是64*4。最后逐行输出这256个数。 2.BPSK3中程序的目的是：将m序列通过滚降系数为0.3的升余弦滤波系统后的信号采样输出。 3.BPSK5中程序的目的是：将m序列通过滚降系数为0.5的升余弦滤波系统后的信号采样输出。 4.以上两个程序的运行平台为Quartus（verilog语言）。-BPSK modulation is used to design, as follows: 1.matlab.txt the program is under matlab platform. Mat format. Purpose is to output a 64* 4 matrix, each element is an integer between 0 and 255. Matrix of each line is a symbol of four the number of sampling points of the four quantitative value. However, due to the current symbol by raised cosine filtering system, before and after a total of six yards by the combined effect of element, it is shared by the six yards per decision. The 6 symbol is random, may be 0 may be 1 (may be bipolar may be+1-1), so a total of six yards per 2 ^ 6 = 64 kinds of situations, so the resulting matrix 64* 4. Finally, the number of progressive output of the 256. 2.BPSK3 purposes of the procedure is: m sequence of roll-off factor of 0.3 by the raised cosine filter system output after the signal sampling. 3.BPSK5 purposes of the procedure is: m sequence of roll-off factor of 0.5 by the raised cosine filter system output after the signal sampling.
Platform: | Size: 4096 | Author: | Hits:
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