refactor: remove emojis from titles and buttons for a cleaner UI

views/real_world.py

@@ -159,21 +159,21 @@ def render():
     with col_img:
         st.image("Satellite.png", width=200)
     with col_title:
-        st.markdown("# 🛰️ Shannon & Friends in the Real World")
+        st.markdown("# Shannon & Friends in the Real World")
         st.markdown("From theory to satellite communication link budget.")
 
     wiki_cols = st.columns(4)
-    wiki_cols[0].link_button("📖 Harry Nyquist", "https://en.wikipedia.org/wiki/Harry_Nyquist")
-    wiki_cols[1].link_button("📖 Richard Hamming", "https://en.wikipedia.org/wiki/Richard_Hamming")
-    wiki_cols[2].link_button("📖 Andrew Viterbi", "https://en.wikipedia.org/wiki/Andrew_Viterbi")
-    wiki_cols[3].link_button("📖 Claude Berrou", "https://en.wikipedia.org/wiki/Claude_Berrou")
+    wiki_cols[0].link_button("Harry Nyquist", "https://en.wikipedia.org/wiki/Harry_Nyquist")
+    wiki_cols[1].link_button("Richard Hamming", "https://en.wikipedia.org/wiki/Richard_Hamming")
+    wiki_cols[2].link_button("Andrew Viterbi", "https://en.wikipedia.org/wiki/Andrew_Viterbi")
+    wiki_cols[3].link_button("Claude Berrou", "https://en.wikipedia.org/wiki/Claude_Berrou")
 
     st.divider()
 
     # ══════════════════════════════════════════════════════════════════════════
     #  SECTION 1: Satellite Link
     # ══════════════════════════════════════════════════════════════════════════
-    st.markdown("## 📡 Satellite Link")
+    st.markdown("## Satellite Link")
 
     col1, col2, col3 = st.columns(3)
     with col1:
@@ -213,7 +213,7 @@ def render():
     try:
         sat_cir_list = [float(v.strip()) for v in sat_cir_input.split(",")]
     except ValueError:
-        st.error("❌ Invalid C/I values.")
+        st.error("Invalid C/I values.")
         return
 
     # Compute satellite link
@@ -224,11 +224,11 @@ def render():
                 sat_alt, sat_lat, sat_lon, gs_lat, gs_lon, availability,
             )
     except Exception as e:
-        st.error(f"❌ Satellite link computation error: {e}")
+        st.error(f"Satellite link computation error: {e}")
         return
 
     # Display satellite link results
-    st.markdown("#### 📊 Satellite Link Results")
+    st.markdown("#### Satellite Link Results")
     r1, r2, r3 = st.columns(3)
     r1.metric("Output Power", fmt_power(sat["sig_power"]), help=REAL_WORLD_HELP["output_power"])
     r2.metric("Antenna Gain", fmt_gain(sat["sat_gain_linear"]), help=REAL_WORLD_HELP["sat_gain"])
@@ -245,14 +245,14 @@ def render():
     st.metric("Power Flux Density", fmt_pfd(sat["pfd_linear"]), help=REAL_WORLD_HELP["pfd"])
 
     if sat["elevation"] <= 0:
-        st.warning("⚠️ Satellite is below the horizon (negative elevation). Results may not be meaningful.")
+        st.warning("Satellite is below the horizon (negative elevation). Results may not be meaningful.")
 
     st.divider()
 
     # ══════════════════════════════════════════════════════════════════════════
     #  SECTION 2: Radio Front End
     # ══════════════════════════════════════════════════════════════════════════
-    st.markdown("## 📻 Radio Front End")
+    st.markdown("## Radio Front End")
 
     col_r1, col_r2 = st.columns(2)
     with col_r1:
@@ -268,10 +268,10 @@ def render():
             cpe_ant_d, cpe_t_clear,
         )
     except Exception as e:
-        st.error(f"❌ Receiver computation error: {e}")
+        st.error(f"Receiver computation error: {e}")
         return
 
-    st.markdown("#### 📊 Receiver Results")
+    st.markdown("#### Receiver Results")
     rx1, rx2 = st.columns(2)
     rx1.metric("Antenna Area · G/T", f"{rcv['cpe_ae']:.2f} m² · {rcv['cpe_g_t']:.1f} dB/K",
                help=REAL_WORLD_HELP["cpe_gain"])
@@ -290,7 +290,7 @@ def render():
     # ══════════════════════════════════════════════════════════════════════════
     #  SECTION 3: Baseband Unit
     # ══════════════════════════════════════════════════════════════════════════
-    st.markdown("## 💻 Baseband Unit")
+    st.markdown("## Baseband Unit")
 
     col_b1, col_b2, col_b3 = st.columns(3)
     with col_b1:
@@ -310,7 +310,7 @@ def render():
     try:
         cnr_imp_list = [float(v.strip()) for v in cir_input.split(",")]
     except ValueError:
-        st.error("❌ Invalid C/I values.")
+        st.error("Invalid C/I values.")
         return
 
     try:
@@ -319,10 +319,10 @@ def render():
             sat["sat_cir"], bandwidth, rolloff, overheads, cnr_imp_list, penalties,
         )
     except Exception as e:
-        st.error(f"❌ Baseband computation error: {e}")
+        st.error(f"Baseband computation error: {e}")
         return
 
-    st.markdown("#### 📊 Baseband Results")
+    st.markdown("#### Baseband Results")
 
     b1, b2, b3 = st.columns(3)
     b1.metric("SNR in Available BW", f"{bb['cnr_bw']:.1f} dB in {bandwidth:.1f} MHz",
@@ -336,7 +336,7 @@ def render():
 
     b4, b5 = st.columns(2)
     with b4:
-        st.markdown("##### 🎯 Theoretical")
+        st.markdown("##### Theoretical")
         st.metric(
             "Theoretical BR",
             f"{fmt_br(bb['br_nyq'])} · {bb['br_nyq_norm']:.0%}",
@@ -344,7 +344,7 @@ def render():
         )
         st.caption(f"Spectral Eff: {bb['spe_nyq']:.2f} bps/Hz · {bb['bits_per_symbol']:.2f} b/Symbol")
     with b5:
-        st.markdown("##### 🏭 Practical")
+        st.markdown("##### Practical")
         st.metric(
             "Physical Layer BR",
             f"{fmt_br(bb['br_rcv'])} · {bb['br_rcv_norm']:.0%}",
@@ -360,12 +360,12 @@ def render():
     st.divider()
 
     # ── Graphs ──
-    st.markdown("### 📈 Interactive Graphs")
+    st.markdown("### Interactive Graphs")
 
     tab_bw, tab_pow, tab_map = st.tabs([
-        "📶 BW Sensitivity",
-        "⚡ Power Sensitivity",
-        "🗺️ BR Factor Map",
+        "BW Sensitivity",
+        "Power Sensitivity",
+        "BR Factor Map",
     ])
 
     cnr_imp = combine_cnr(*cnr_imp_list)