radar real and imaginary issues updated 160111
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Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Grouped in Bands and by type
Low, medium, high PRF and beyond
Stationary, slow moving and fast
Broad band, weatherproof, affordable
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Reports
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Reports
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Emitters - Marine
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Emitters – Aviation and Military
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Pulses
Pulse width
Pulse Repetition
Freq
X Band 8 – 12 GHz
Settle time Listening
time
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Absorbers
Essential formulae
Z0 = [H][E]
Z0 376.73031346177….Ohms~~
RdB = 10 log 10 Pin
Pout
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Pulses Kentish Flats scale
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Pulses
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Copyright HITEK Electronic Materials Ltd 2008C
FPV Morven
RADAR – the real and imaginary issues
Pulses and Artificial Radar Horizon
Artificial Radar Horizon
Can be fixed or mobile
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Absorbers - Artificial Radar Horizon
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Marine Targets
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Aviation Targets
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Absorbers
Typical Broadband response Typical Narrowband response
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
What the radar sees
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Conclusions
S Band w/o RAM Max
S Band w/o RAM Typical
S Band with RAM
X Band w/o RAM Max
X Band w/o RAM Typical
X Band with RAM
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Conclusions
Images courtesy of Marico Marine Ltd
Copyright HITEK Electronic Materials Ltd 2008C
FPV Morven with RAM
Real?
FPV Morven without RAM
Or imaginary!
RADAR – the real and imaginary issues
Fully stealthed?
Copyright HITEK Electronic Materials Ltd 2008C
RADAR – the real and imaginary issues
Tower Cloak Rating-17 dB >-20 dB
A+A
B B+
C
D
E
F
G
Full Stealth + Luneburg Lens
Blade Cloak + Luneburg Lens
Artificial Radar Horizon
Full Tower Cloak
Partial Tower Cloak
Blade Shimmer Cloak
No Cloak
Proposal for Wind Turbine Cloaking ratings
RADAR – the real and imaginary issues
Proposal for Wind Turbine Cloaking ratings
Tower Cloak RatingBladesTower Nacelle Spinner
Aviation - Scotton Common Windfarm 143
HITEK Hi-Power Tower 5MW Mk II
A+ A+
Blade Cloak example
RADAR – the real and imaginary issues
Proposal for Wind Turbine Cloaking ratings
Tower Cloak RatingBladesTower Nacelle Spinner
Aviation – Tuetoes Wood Windfarm 67
F
A A
HITEK Hi-Power Tower 3MW Mk I6
Blade Shimmer example
RADAR – the real and imaginary issues
Proposal for Wind Turbine Cloaking ratings
Tower Cloak RatingBladesTower Nacelle Spinner
Marine – Granton Harbour Windfarm 131
HITEK Hi-Power Tower 3.5MW Mk IA
E
Partial Tower example
Copyright HITEK Electronic Materials Ltd 2008C
Copyright HITEK Electronic Materials Ltd 2008C
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