S2

E

S1

PHASENSPRUNG

Du kannst mit der Mouse die Position der Sender (S2)
und des Empfängers, sowie die Wellenlänge  variieren.
In den Ultraschallversuchen beträgt die Frequenz 25 kHz.
U. Konrad (C) 2013

B = Point(xAxis)
C = Point(yAxis)
A = (-1.83657, 0)
a = Segment(A, B)
E = Point(a)
b = Segment(C, E)
c = OrthogonalLine(E, a)
C' = Mirror(C, c)
d = Segment(E, C')
C'_1 = Mirror(C, xAxis)
e = Segment(C'_1, C')
w = 1.36 (slider from 0.2 to 2, step 0.01)
frq: 34000 / w
Text1: "Frequenz " + frq + " Hz"
l1: b + d
D = (37.46894178219944, -1.6723238265606926)
f = Circle(D, 3)
F = (38.55907911934119, -9.539315308466303)
g = Circle(F, 3)
h = OrthogonalLine(D, yAxis)
i = OrthogonalLine(F, yAxis)
G, H = Intersect(f, h)
I, J = Intersect(g, i)
p2: e / w
l2: e
p1: l1 / w + 0.5
p22: p2 - Div[p2, 1]
p11: p1 - Div[p1, 1]
w1: (p1 * 360)°
w2: (p22 * 360)°
G' = Rotate(G, w2, D)
α = Angle(G, D, G')
I' = Rotate(I, w1, F)
β = Angle(I, F, I')
u = Vector(D, G')
v = Vector(F, I')
K = Point(yAxis)
L = Point(yAxis)
z = Vector(L, K)