Target Range (R) [m] σG A. P P, = (4 t)² R4 where: Pr = power received from the radar in units of watts [W] O = target radar cross-sectional area in units of square meters [m²| Ae = effective antenna area in units of square meters [m²] P; = transmit nower in units of watts

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Please show all your work and fallow this template. Make sure you write everything, units for everything etc. Please write clear and fallow the format
Pt
= transmit power in units of watts
[W]
G = antenna gain, unitless
[-]
R = target range in units of meters
[m]
Using the information on the plot, determine
the target radar cross-sectional area (o) in
square meters
[m²]
for the following conditions:
Transmit power, Pt = 134 horsepower
[hp]
Antenna gain, G = 84, unitless
[-]
The effective antenna area, Ae, can be
modeled as a circle with a circumference
of 5 meters
[m]
Transcribed Image Text:Pt = transmit power in units of watts [W] G = antenna gain, unitless [-] R = target range in units of meters [m] Using the information on the plot, determine the target radar cross-sectional area (o) in square meters [m²] for the following conditions: Transmit power, Pt = 134 horsepower [hp] Antenna gain, G = 84, unitless [-] The effective antenna area, Ae, can be modeled as a circle with a circumference of 5 meters [m]
Radar is used to measure how far a target is
from the radar location. The received radar
power from the target at range is given by the
equation below
205
Pr =
R4
Target Range (R) [m]
o G Aę Pt
Pr
(4 t)² R4
where:
Pr
= power received from the radar in
units of watts
[W]
O = target radar cross-sectional area in
units of square meters
[m²]
Ae
= effective antenna area in units of
square meters
[m²|
P; = transmit nower in units of watts
Power Received (P,) [kW]
Transcribed Image Text:Radar is used to measure how far a target is from the radar location. The received radar power from the target at range is given by the equation below 205 Pr = R4 Target Range (R) [m] o G Aę Pt Pr (4 t)² R4 where: Pr = power received from the radar in units of watts [W] O = target radar cross-sectional area in units of square meters [m²] Ae = effective antenna area in units of square meters [m²| P; = transmit nower in units of watts Power Received (P,) [kW]
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