Meritve na terenu

Display.py

@@ -12,7 +12,7 @@ FFT_SIZE = 1024
 BIN_COUNT = FFT_SIZE // 2  # 512 Bins
 DISPLAY_BINS = 100  # Only display first 100 bins
 SWEEP_SIZE = 2
-BYTES_PER_FRAME = BIN_COUNT * 4 + SWEEP_SIZE
+BYTES_PER_FRAME = BIN_COUNT * 4
 WATERFALL_HISTORY = 100  # Number of frames to display in waterfall
 
 try:
@@ -50,15 +50,15 @@ def update(frame):
         raw_data = ser.read(BYTES_PER_FRAME)
         
         try:
-            fm_sweep = struct.unpack(f'H', raw_data[:2])
+            fm_sweep = [2]
 
-            x_dist = np.linspace(0, 1024*3e8/100e6/fm_sweep[0], BIN_COUNT)
+            x_dist = np.linspace(0, 1024*3e8/100e6/2, BIN_COUNT)
             x_dist_display = x_dist[:DISPLAY_BINS]  # Only first 100 bins
-            ax1.set_title(f'FFT prikaz radarskega signala FM={fm_sweep[0]}')
+            ax1.set_title(f'FFT prikaz radarskega signala FM={2}')
             bar_plot.set_xdata(x_dist_display)
             ax1.set_xlim(x_dist_display[2], x_dist_display[-1]) # Skip DC
 
-            fft_data = struct.unpack(f'{BIN_COUNT}f', raw_data[2:])
+            fft_data = struct.unpack(f'{BIN_COUNT}f', raw_data[:])
             fft_data_display = fft_data[:DISPLAY_BINS]  # Only use first 100 bins
 
             # Update FFT plot

FMCW_Radar/FMCW_Radar.ino

@@ -9,7 +9,7 @@
 
 
 // --- TABELA ---
-const uint16_t FM_FREQ=2; // 30 preletov/sekundo
+const uint16_t FM_FREQ=2;
 const uint16_t FM_SAMPLES=4096; // 12 bitov
 uint16_t FM_table_pos[FM_SAMPLES];
 uint16_t FM_table_neg[FM_SAMPLES];
@@ -30,6 +30,7 @@ void setup() {
   // 1. Postavimo serijsko komunikacijo
   SerialUSB.begin(115200);
   while (!SerialUSB); // Počakaj na povezavo z računalnikom
+  delay(5000);
 
   // 2. Poračunamo wavetable za FM signal
   for (uint16_t i=0; i<FM_SAMPLES; i++) {
@@ -157,7 +158,6 @@ void loop() {
 
     // --- KORAK 4: POŠILJANJE PODATKOV ---
     // Pošljemo samo prvo polovico spektra (SAMPLES / 2)
-    SerialUSB.write((uint8_t*) &FM_FREQ, sizeof(uint16_t));
     SerialUSB.write((uint8_t*)vReal, (SAMPLES / 2) * sizeof(float));
     // Ponastavi zastavico
     if (bufferA_Ready) bufferA_Ready = false;