资源简介
这是一个非常完整的qpsk调制解调用fpga实现的工程,在工程中已经能够正常使用,使用的quartus ii 开发,使用Verilog语言,文件中还包含了各种滤波器的系数文件,还有matlab仿真文件,整个工程包含从串并变换,相位映射,到成型滤波,中通滤波,cic滤波,调制,再到解调过成的下变频,匹配滤波,载波提取,位定时,判决,整个完整的过程,
代码片段和文件信息
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%% a separate agreement with Altera or a megafunction partner. title to
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%%
%% Generated by: CIC 13.1 Build 162 October 2013
%% Generated on: 2014-4-28 21:09:15
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% cic_0_fir_comp_coeff genearats CIC compensation filter coefficients
% using frequency sampling method.
%
% cic_0_fir_comp_coeff(L Fs Fc plot is_fxp B) calculates compensation
% filter coefficients and saves the coefficients to a file.
%
% L - FIR filter length (= number of taps = number of coefficients)
% Fs - FIR filter sample rate in Hz before interpolation
% Fc - FIR filter cutoff frequency in Hz
% plot - True or false to draw filter responses graphically
% is_fxp - Indicating if the coefficients should be saved as fixed point or floating point numbers
% B - Number of bits to represent the coefficients if is_fxp is true
%
% Examples:
% cic_0_fir_comp_coeff(3180e64e6truetrue16);
% cic_0_fir_comp_coeff(3180e64e6truefalse)
function cic_0_fir_comp_coeff(L Fs Fc plot is_fxp B)
try
% Validate number of input arguments
error(nargchk(0 6 nargin));
%%%%%% CIC filter parameters %%%%%%
R = 16; %% Interpolation factor
M = 2; %% Differential Delay
N = 5; %% Number of Stages
%%%%%% User Parameters %%%%%%
% Check if Signal Processing Toolbox is in the Matlab installation
if (isempty(which(‘fir2‘)))
error(‘Matlab Signal Processing Toolbox isn‘‘t installed on yo
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 274054 2014-04-01 21:18 ModDemod\an455.pdf
文件 1069 2014-05-11 08:32 ModDemod\bypass_pulseshape_filter.v
文件 245 2014-05-11 06:49 ModDemod\bypass_pulseshape_filter.v.bak
文件 17712 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_block_sink_cic_131.vhd
文件 19384 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_block_sink_fftfprvs_cic_131.vhd
文件 7912 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_block_source_cic_131.vhd
文件 3856 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_controller_cic_131.vhd
文件 6912 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_controller_pe_cic_131.vhd
文件 28208 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_sink_cic_131.vhd
文件 23224 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_avalon_streaming_source_cic_131.vhd
文件 4384 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_cic_lib_pkg_cic_131.vhd
文件 11640 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_delay_cic_131.vhd
文件 4912 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_differentiator_cic_131.vhd
文件 3328 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_downsample_cic_131.vhd
文件 6856 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_fastaddsub_cic_131.vhd
文件 3256 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_fastadd_cic_131.vhd
文件 7736 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_integrator_cic_131.vhd
文件 22872 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_lib_pkg_cic_131.vhd
文件 11728 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_math_pkg_cic_131.vhd
文件 13400 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_pipelined_adder_cic_131.vhd
文件 11952 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_roundsat_cic_131.vhd
文件 3784 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_text_pkg_cic_131.vhd
文件 2000 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_upsample_cic_131.vhd
文件 3328 2014-05-25 09:39 ModDemod\cic-library\auk_dspip_variable_downsample_cic_131.vhd
文件 3566 2014-03-30 12:25 ModDemod\cic.bsf
文件 4179 2014-03-30 12:25 ModDemod\cic.html
文件 6270 2014-03-30 12:24 ModDemod\cic.log
文件 5796 2014-03-30 12:25 ModDemod\cic.qip
文件 8068 2014-03-30 12:25 ModDemod\cic.v
文件 3568 2014-04-28 21:09 ModDemod\cic_0.bsf
............此处省略850个文件信息
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