Doppler Effect Simulation
Intuitive 3-Point Smooth Curves, Auto-Snap & Velocity Zone Markers
Play
Clear Waves/Graph
Reset All
Mode:
🖐️ Move / Select
🌊 Place 3-Point Curve (Start -> Mid -> End)
📏 Add Straight Piece
🚩 Place Speed Marker
🎯 Place Observer (Blue)
Marker Target Speed:
150 m/s
+ Straight Track
+ Curve Track Piece
New Track (Clear All)
Source (S)
Observer (O)
Track Path
Speed Marker
Perceived Freq
[3-Point Curve] Click Start, Mid (Peak/Apex), then End | The curve passes exactly through all 3 points | [Right-Click] Delete item
Base Source Speed ($v_s$):
100.0 m/s
Source Speed Range
Fine Tuning (0 - 50 m/s)
Subsonic (0 - 300 m/s)
Supersonic / Mach Range (0 - 600 m/s)
Base Frequency ($f_0$):
200 Hz
Speed of Sound ($v$):
340 m/s
Zoom Scale:
1.00x
Looping Mode
Loop Continuously
Ping-Pong Back & Forth
Stop at End