1.完整项目描述和程序获取
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2.部分仿真图预览
3.算法概述
随着通信技术的不断发展，相位调制技术因其高频谱效率和抗干扰能力而广泛应用于无线通信系统中。其中，8PSK（8相位相移键控）作为一种高阶调制方式，具有更高的频谱效率和更强的抗干扰能力，因此备受关注。然而，8PSK调制解调的实现复杂度较高，需要高效的数字信号处理技术。现场可编程门阵列（FPGA）作为一种可编程逻辑器件，具有高度的灵活性和并行处理能力，非常适合实现复杂的数字信号处理算法。
4.部分源码
`timescale 1ns / 1ps
//
// Company:
// Engineer:
//
// Create Date: 2023/05/03 06:21:37
// Design Name:
// Module Name: TEST
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//
module TEST();
reg i_clk;
reg i_clksample;
reg i_rst;
reg i_dat;
reg signed[7:0]i_SNR;
wire[2:0]o_ISET;
wire signed[15:0]o_I8psk;
wire signed[15:0]o_Q8psk;
wire signed[15:0]o_Ifir_T;
wire signed[15:0]o_Qfir_T;
wire signed[31:0]o_mod_T;
wire signed[15:0]o_Nmod_T;
wire signed[31:0]o_modc_R;
wire signed[31:0]o_mods_R;
wire signed[31:0]o_Ifir_R;
wire signed[31:0]o_Qfir_R;
wire [2:0]o_wbits;
wire o_bits;
wire signed[31:0]o_error_num;
wire signed[31:0]o_total_num;
TOPS_8PSK TOPS_8PSK_u(
.i_clk (i_clk),
.i_clksample(i_clksample),
.i_rst (i_rst),
.i_SNR(i_SNR),
.i_dat (i_dat),
.o_ISET (o_ISET),
.o_I8psk(o_I8psk),
.o_Q8psk(o_Q8psk),
.o_Ifir_T (o_Ifir_T),
.o_Qfir_T (o_Qfir_T),
.o_mod_T (o_mod_T),
.o_Nmod_T(o_Nmod_T),
.o_modc_R (o_modc_R),
.o_mods_R (o_mods_R),
.o_Ifir_R (o_Ifir_R),
.o_Qfir_R (o_Qfir_R),
.o_wbits(o_wbits),
.o_bits (o_bits),
.o_error_num(o_error_num),
.o_total_num(o_total_num)
);
initial
begin
i_clk = 1'b1;
i_clksample= 1'b1;
i_rst = 1'b1;
i_SNR =30;//这个地方可以设置信噪比，数值大小从0~50，
#12000
i_rst = 1'b0;
end
always #80 i_clk=~i_clk;
always #1 i_clksample=~i_clksample;
initial
begin
i_dat = 1'b0;
#12000
repeat(10000)
begin
#160 i_dat = 1'b1;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
#160 i_dat = 1'b1;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b1;
#160 i_dat = 1'b1;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
#160 i_dat = 1'b0;
#160 i_dat = 1'b1;
#160 i_dat = 1'b1;
#160 i_dat = 1'b0;
end
end
//显示发射端带相位旋转的星座图
integer fout1;
integer fout2;
initial begin
fout1 = $fopen("It.txt","w");
fout2 = $fopen("Qt.txt","w");
end
always @ (posedge i_clk)
begin
if(i_rst==0)
begin
$fwrite(fout1,"%d\n",o_Ifir_R);
$fwrite(fout2,"%d\n",o_Qfir_R);
end
else begin
$fwrite(fout1,"%d\n",0);
$fwrite(fout2,"%d\n",0);
end
end
endmodule
---
