Update app.py

app.py

@@ -10,12 +10,19 @@ load_dotenv()
 client = Groq(api_key=os.getenv("GROQ_API_KEY"))
 
 # Functions for Antenna Calculations
-def calculate_microstrip_patch(frequency, permittivity, thickness):
+def calculate_microstrip_patch(frequency, permittivity, thickness, tangent_loss):
     c = 3e8  # Speed of light in m/s
     wavelength = c / frequency
     effective_wavelength = wavelength / np.sqrt(permittivity)
     patch_length = effective_wavelength / 2
     patch_width = wavelength / (2 * np.sqrt(1 + permittivity))
+    
+    # Adjustments for tangent loss (approximation)
+    # The tangent loss will slightly affect the width and length of the patch
+    adjustment_factor = 1 + tangent_loss / 10
+    patch_length *= adjustment_factor
+    patch_width *= adjustment_factor
+    
     return patch_length, patch_width, thickness
 
 def calculate_dipole_antenna(frequency):
@@ -93,12 +100,12 @@ def plot_radiation_pattern(theta, gain_pattern):
     return fig
 
 # Main Function
-def design_antenna(antenna_type, frequency, permittivity, thickness):
+def design_antenna(antenna_type, frequency, permittivity, thickness, tangent_loss):
     frequency_hz = frequency * 1e9
     frequencies = np.linspace(frequency - 0.5, frequency + 0.5, 100)
     
     if antenna_type == "Microstrip Patch":
-        patch_length, patch_width, thickness = calculate_microstrip_patch(frequency_hz, permittivity, thickness)
+        patch_length, patch_width, thickness = calculate_microstrip_patch(frequency_hz, permittivity, thickness, tangent_loss)
         s11_values = [calculate_s11(f) for f in frequencies]
         directivities, gains = zip(*[calculate_directivity_and_gain(f) for f in frequencies])
         theta = np.linspace(-180, 180, 360)
@@ -114,6 +121,7 @@ def design_antenna(antenna_type, frequency, permittivity, thickness):
             f"Operating Frequency: {frequency:.2f} GHz\n"
             f"S11 at Operating Frequency: {s11_values[len(s11_values)//2]:.2f} dB\n"
             f"Patch Dimensions: {patch_length:.2f} m x {patch_width:.2f} m x {thickness:.2f} m\n"
+            f"Substrate Tangent Loss: {tangent_loss:.2f}\n"
         )
     
     elif antenna_type == "Dipole":
@@ -148,6 +156,7 @@ with gr.Blocks() as demo:
     frequency = gr.Slider(1.0, 10.0, step=0.1, label="Operating Frequency (GHz)")
     permittivity = gr.Number(value=4.4, label="Substrate Permittivity")
     thickness = gr.Number(value=0.01, label="Substrate Thickness (m)")
+    tangent_loss = gr.Number(value=0.02, label="Substrate Tangent Loss (tan δ)", step=0.01)
     design_button = gr.Button("Design Antenna")
     output_text = gr.Textbox(label="Design Results")
     s11_plot = gr.Plot(label="S11 Plot")
@@ -157,7 +166,7 @@ with gr.Blocks() as demo:
 
     design_button.click(
         design_antenna,
-        inputs=[antenna_type, frequency, permittivity, thickness],
+        inputs=[antenna_type, frequency, permittivity, thickness, tangent_loss],
         outputs=[output_text, s11_plot, directivity_gain_plot, radiation_pattern_plot, antenna_3d_display]
     )