thfu
/
TailCorr
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

将一些reg类型转为wire类型；.m文件进行修改，增加了寻找误差和均方误差均小于万分之一的功能

This commit is contained in:
unknown 2024-11-26 20:38:29 +08:00 committed by futh0403
parent 6908a7ab66
commit 1b101f1203
3 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
rtl/z_dsp/IIR_Filter.v
View File

@ -172,7 +172,7 @@ inst_c4 (
assign y_re = v1_re + y2_re; assign y_re = v1_re + y2_re;
assign y_im = v1_im + y2_im; assign y_im = v1_im + y2_im;
reg signed [data_in_width+frac_data_out_width+1:0] dout_round; wire signed [data_in_width+frac_data_out_width+1:0] dout_round;
FixRound #(data_in_width+frac_data_out_width+2,frac_data_out_width) u_round1 (clk, rstn, en, y_re, dout_round); FixRound #(data_in_width+frac_data_out_width+2,frac_data_out_width) u_round1 (clk, rstn, en, y_re, dout_round);

4
rtl/z_dsp/mult_C.v
View File

@ -98,8 +98,8 @@ wire signed [A_width+D_width:0] Im_tmp;
assign Re_tmp = ac - bd; assign Re_tmp = ac - bd;
assign Im_tmp = ad + bc; assign Im_tmp = ad + bc;
reg signed [A_width+C_width:0] Re_round; wire signed [A_width+C_width:0] Re_round;
reg signed [A_width+D_width:0] Im_round; wire signed [A_width+D_width:0] Im_round;
FixRound #(A_width+C_width+1,frac_coef_width) u_round1 (clk, rstn, en, Re_tmp, Re_round); FixRound #(A_width+C_width+1,frac_coef_width) u_round1 (clk, rstn, en, Re_tmp, Re_round);
FixRound #(A_width+C_width+1,frac_coef_width) u_round2 (clk, rstn, en, Im_tmp, Im_round); FixRound #(A_width+C_width+1,frac_coef_width) u_round2 (clk, rstn, en, Im_tmp, Im_round);

16
script_m/diff_plot_py.m
View File

@ -18,12 +18,12 @@ n1000_1100 = find((n>=edge+1000e-9-1e-12) & (n<=edge+1100e-9+1e-12));%下降沿
ne = find((abs(diff)>=1e-4) & (abs(diff)<1));%误差小于万分之一的点 ne = find((abs(diff)>=1e-4) & (abs(diff)<1));%误差小于万分之一的点
ne(1) = 1; ne(1) = 1;
% window_length = 100e-9*fs; window_length = 100e-9*fs;
% diff_mean_window = movmean(diff,window_length); diff_mean_window = movmean(diff,window_length);
% diff_std_window = movstd(diff,window_length); diff_std_window = movstd(diff,window_length);
% n_mean_window = find((abs(diff_mean_window)>=1e-4) );%100ns窗，误差均值小于万分之一点 n_mean_window = find((abs(diff_mean_window)>=1e-4) );%100ns窗，误差均值小于万分之一点
% n_std_window = find((abs(diff_std_window)>=1e-4) ); %100ns窗，误差方差小于万分之一点 n_std_window = find((abs(diff_std_window)>=1e-4) ); %100ns窗，误差方差小于万分之一点
% n_common = max(n_mean_window(end),n_std_window(end)); n_common = max(n_mean_window(end),n_std_window(end));
%原始数据作图 %原始数据作图
tiledlayout(2,1) tiledlayout(2,1)
ax1 = nexttile; ax1 = nexttile;
@ -68,10 +68,10 @@ elseif a(2) > 5e-6
plot_p(n1000(1)); %下降沿1us plot_p(n1000(1)); %下降沿1us
plot_p(ne(end)); %误差小于万分之一 plot_p(ne(end)); %误差小于万分之一
fprintf("Falling edge of 20ns~40ns mean :%.4e\t std :%.4e\t",mean(diff(n20_40)),std(diff(n20_40))); fprintf("Falling edge of 20ns~40ns mean :%.4e\t std :%.4e\t",mean(diff(n20_40)),std(diff(n20_40)));
fprintf("Falling edge of 1us~1.1us mean :%.4e\t std :%.4e\n",mean(diff(n1000_1100)),std(diff(n1000_1100))); fprintf("Falling edge of 1us~1.1us mean :%.4e\t std :%.4e\t",mean(diff(n1000_1100)),std(diff(n1000_1100)));
% fprintf("The error after falling edge of 1us is:%.4e\t",diff(n1000(1))); % fprintf("The error after falling edge of 1us is:%.4e\t",diff(n1000(1)));
% fprintf("The time of erroe less than 1e-4 is :%.4e us\n",(n(ne(end))-n(n_edge(1)))); % fprintf("The time of erroe less than 1e-4 is :%.4e us\n",(n(ne(end))-n(n_edge(1))));
% fprintf("The mean and std stably less than 1e-4 is :%.4e s\n",(n(n_common)-n(n_edge(1)))); fprintf("The mean and std stably less than 1e-4 is :%.4e s\n",(n(n_common)-n(n_edge(1))));
end end