3e788fdc-fedd-42f1-962a-27f6c2d8207d 9 15 12 decimal

&[DATE] &[TIME] - &[FILENAME]

s 25 :

Height of source and receiver

t 25 :

δdegrees 45 :

δ δdegrees π 180 / * :

a s δ tan * :

c 50 :

Horizontal separation of source and receiver

a 25

b c a - (: 25

t L t 2^b 2^+ (sqrt s 2^a 2^+ sqrt + (:

Plot L as a function of δdegrees.

δdegrees = 0 to 60 in increments of .1

x L

x f 0.5 x * 1 - :

x F x 25 - 25 x ≤ (x 50 ≤ (& x - 25 + 0 x ≤ (x 25 ≤ (& cases :

x 25 - x - 25 + 2 1 sys x F 25 10 25 10 - 2 2 mat 0 0 . 20 black 1 5 mat 50 100 50 10 - 2 2 mat 0 25 + 20 red 1 5 mat 5 1 sys

a b s t 41 mat 2525252541 mat

X 02521 mat :

Y 25021 mat :

X Y Intercept 25

X Y Slope 1 -

x q x - 25 + :

x 25 :

x q 0

X 255021 mat :

Y 02521 mat :

X Y Intercept 25 -

X Y Slope 1