Overview of Modern Radar Electronic Protection Class Notes

123 Pages·2013·1.54 MB·English

Overview of Modern Radar
Electronic Protection
Class Notes
Fall 2012

Dave Adamy

Adamy Engineering
1420 Norfolk Ave, Atwater, CA 95301
Tel[phone] Fax[phone]
www.lynxpub.com
Scope of Course
• Radio Propagation
• Radar Jamming
• Electronic Protection
Handout Material
• Course Syllabus
– All visual aids + exercise work-sheets
• EW Pocket Guide
• Antenna & Propagation Slide Rule
• Scientific Calculator
EWPG page number
To Really Understand
Electronic Warfare

You need to have a real feel for Radio
Propagation
Antenna & Propagation Calculator
1 m = 3.3 ft 1ft = .3m
Antenna Calculations
1
Free Space Attenuation
Ant. Gain reduction vs surface
2 Ray Attenuation
2
Fresnel Zone
Calculate dB
Antenna Amplitude Pattern
Antenna & Propagation Calculator
1 m = 3.3 ft 1ft = .3m
Antenna Calculations
Free Space Attenuation
Ant. Gain reduction vs surface
2 Ray Attenuation
Fresnel Zone
Calculate dB
Antenna Scales
Antenna Scales
Antenna Gain & Beamwidth
Set Antenna Diameter (in ft) at Frequency (in GHz)
Antenna Gain & Beamwidth (cont)
Read Boresight Gain at Efficiency

Note 55% efficiency for Narrow Bandwidth antennas