analyse_doppler.m File Reference

Functions
	subplot (3, 1, 1)
	plot (t', sine_original)
	plot (t', sine_doppler)
	plot (t(1:end-1), diff(sine_doppler))
	subplot (3, 1, 2)
	plot (f, 20 *log10(abs(H_original)))
	plot (f, 20 *log10(abs(H_doppler)))
	subplot (3, 1, 3)
	plot (diff(current_latency(1:end-1)))
pause	sound (sine_doppler, FS)

Variables
load sine_original	txt
	sine_doppler = sine_doppler
	FS = 44100
	t = linspace(0,length(sine_original)/FS, length(sine_original))
hold	on
hold	off
	sine_freq = 1000
	v = 343
sound speed	vs = 171.5
source speed	doppler_shift

Function Documentation

plot	(	t'	,
		sine_original
	)

plot	(	t'	,
		sine_doppler
	)

plot	(	t(1:end-1)	,
		diff(sine_doppler)
	)

plot	(	f	,
		20 *	log10abs(H_original)
	)

plot	(	f	,
		20 *	log10abs(H_doppler)
	)

plot

(

diff(current_latency(1:end-1))

)

pause sound	(	sine_doppler	,
		FS
	)

subplot	(	3	,
		1	,
		1
	)

subplot	(	3	,
		1	,
		2
	)

subplot	(	3	,
		1	,
		3
	)

Variable Documentation

source speed doppler_shift

Initial value:

= (v+vs)/v*sine_freq


sound(sine_original, FS)

FS = 44100

hold off

hold on

sine_doppler = sine_doppler

sine_freq = 1000

t = linspace(0,length(sine_original)/FS, length(sine_original))

load current_latency txt

v = 343

sound speed vs = 171.5