写一段veriolg语言识别心电R波来计算心率的算法
时间: 2023-04-01 08:01:52 浏览: 99
你好,根据你的问题,我可以回答。以下是一段verilog语言识别心电R波来计算心率的算法:
module R_wave_detector(
input clk,
input reset,
input [11:] ecg_data,
output reg R_wave_detected,
output reg [7:] heart_rate
);
reg [11:] ecg_data_delay1;
reg [11:] ecg_data_delay2;
reg [11:] ecg_data_delay3;
reg [11:] ecg_data_diff1;
reg [11:] ecg_data_diff2;
reg [11:] ecg_data_abs_diff1;
reg [11:] ecg_data_abs_diff2;
reg [11:] ecg_data_max;
reg [11:] ecg_data_min;
reg [7:] R_wave_count;
reg [7:] R_wave_count_delay;
reg [7:] R_wave_interval;
reg [7:] R_wave_interval_delay;
reg [7:] heart_rate_count;
reg [7:] heart_rate_count_delay;
reg [7:] heart_rate_avg;
reg [7:] threshold;
always @(posedge clk) begin
if (reset) begin
R_wave_detected <= ;
heart_rate <= ;
R_wave_count <= ;
R_wave_count_delay <= ;
R_wave_interval <= ;
R_wave_interval_delay <= ;
heart_rate_count <= ;
heart_rate_count_delay <= ;
heart_rate_avg <= ;
threshold <= 100;
end else begin
ecg_data_delay1 <= ecg_data;
ecg_data_delay2 <= ecg_data_delay1;
ecg_data_delay3 <= ecg_data_delay2;
ecg_data_diff1 <= ecg_data_delay1 - ecg_data_delay3;
ecg_data_diff2 <= ecg_data_delay2 - ecg_data_delay3;
ecg_data_abs_diff1 <= abs(ecg_data_diff1);
ecg_data_abs_diff2 <= abs(ecg_data_diff2);
ecg_data_max <= max(ecg_data_abs_diff1, ecg_data_abs_diff2);
ecg_data_min <= min(ecg_data_abs_diff1, ecg_data_abs_diff2);
if (ecg_data_max > threshold && ecg_data_min < threshold) begin
R_wave_detected <= 1;
R_wave_count <= R_wave_count_delay + 1;
R_wave_interval <= R_wave_count - R_wave_count_delay;
R_wave_count_delay <= R_wave_count;
R_wave_interval_delay <= R_wave_interval;
if (R_wave_interval_delay > ) begin
heart_rate_count <= heart_rate_count_delay + 1;
heart_rate_avg <= (heart_rate_avg * heart_rate_count_delay + 60 * 250 / R_wave_interval_delay) / heart_rate_count;
heart_rate_count_delay <= heart_rate_count;
heart_rate <= heart_rate_avg;
end
end else begin
R_wave_detected <= ;
end
end
end
endmodule
希望我的回答能够帮到你。
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