1. SNR 신호처리, Secondary surface 영향 고려하여 SNR 재계산

2. Coverage Figure 개선
3. 윈도우 생성 및 성능 계산 함수 추가

04. Signal Processing/process_range_fft_lpf.m

@@ -5,22 +5,14 @@ function [range_profile, range_axis] = process_range_fft_lpf(adc_raw_data, Radar
     fs_adc = RadarParams.Waveform.fs_adc;
     Slope = RadarParams.Waveform.Slope;
     fc_lpf_Hz = RadarParams.Rxpath.fc_lpf;
-    window_type = RadarParams.SP.RDM.window_type_range;
     
     [~, ~, ~, N_samples] = size(adc_raw_data);
     c = RadarParams.Basic.c;
 
-    % 1. 윈도우 함수 적용
-    if strcmpi(window_type, 'none')
-        win = ones(1, N_samples);
-    elseif strcmpi(window_type, 'hamming')
-        win = hamming(N_samples)';
-    elseif strcmpi(window_type, 'blackman')
-        win = blackman(N_samples)';
-    elseif strcmpi(window_type, 'chebwin')
-        win = chebwin(N_samples, 60)';
-    else % default: 'hann'
-        win = hann(N_samples)';
+    % 1. Main.m에서 생성된 윈도우 함수 적용
+    win = RadarParams.SP.RDM.window_range;
+    if length(win) ~= N_samples
+        error('Window length mismatch: expected %d, got %d', N_samples, length(win));
     end
     win_data = adc_raw_data .* reshape(win, [1, 1, 1, N_samples]);