Project 1: Simulating the Doppler Effect

Part 1

A source produces a single tone frequency at fo=440Hz. The source passes through the observer at a speed of Vs=10 m/s. At t=2 seconds the distance between the source and the observer is 0.

Part 1 M-File
Part 1 Audio File

Part 2

A source produces a single tone frequency at fo=440Hz. The source passes by the observer at a minimum distance of d=2 meters and a speed of Vs=10 m/s.

Part 2 M-File
Part 2 Audio File

Part 3

A source produces a signal of 3 tones, fo=440Hz, 3*fo=1320Hz, and 5*fo=2200Hz. The source passes by the observer at a minimum distance of d=2 meters and a speed of Vs=10 m/s.

Part 3 M-File
Part 3 Audio File

Part 4

(i) A source produces a single tone frequency at fo=440Hz. The source passes through the observer a speed of Vs=10 m/s. The observer listens binaurally with a 17cm interaural distance.

Part 4(i) M-File
Part 4(i) Audio File

(ii) A source produces a single tone frequency at fo=440Hz. The source is travelling south and passing an observer facing north. The source passes by the observer at a minimum distance of d=2 meters and a velocity of Vs=10m/s. The observer is again listening binaurally with an interaural distance of 17cm. By observing the plots of the left and right signals, one can see there is a slight delay between the two.

Part 4(ii) M-File
Part 4(ii) Audio File

Project by Alison Mattek for Engineering Acoustics: EEN502/MMI361