心电信号滤波前后对比

顶层代码：

module lsm_top(          clk_i,          rst_n,          data_i,          data_i_p,          data_i_x,          data_i_y,          data_o,          data_o_p);input wire       clk_i;input wire       rst_n;input wire[15:0] data_i;reg      [9:0] address;input      [31:0] data_i_p;input wire      [31:0] data_i_x;input wire      [31:0] data_i_y;output wire[31:0] data_o;output wire[31:0] data_o_p;reg          clk;wire[31:0] cos_i;wire[31:0] sin_i;(*IOB="true"*)reg  [2:0]   cnt;always @(posedge clk_i or negedge rst_n )           if(!rst_n )     cnt<=3'd0;else  cnt<=cnt+1'd1;  always @(posedge clk_i or negedge rst_n )            if(!rst_n)  clk<=1'd0; else if(cnt==4'd0)  clk<=~clk;lsm_lsb2v_inst1(.rst_n(rst_n),.clk(clk_i),.cos_i(32'h6964851E),.data_i(data_i),.sin_i(32'd0),.data_o(data_o));endmodule

Modelsim仿真：