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Pulse-Doppler typically uses medium pulse repetition frequency (PRF) from about 3 kHz to 30 kHz. The range between transmit pulses is 5 km to 50 km. Range and velocity cannot be measured directly using medium PRF, and ambiguity resolution is required to identify true range and speed.
AN/APS-136 I band MTI (Moving Targets Indication) radar for EH-60C AN/APS-137 improved AN/APS-116 maritime surveillance radar Texas Instruments for P-3 Orion, HC-130 and S-3B AN/APS-138 improved AN/APS-125 pulse-Doppler ultra high frequency surveillance radar by General Electric for E-2 Hawkeye
EMP-like effects are not always from open-air or space explosions; there has been work with controlled explosions for generating electrical pulse to drive lasers and railguns. For example, in a program called BURNING LIGHT, KC-135R tankers, temporarily modified to carry MASINT sensors, would fly around the test area, as part of Operation ...
All test-drive dogs are also available for immediate adoption; you just won't receive the 50% adoption fee discount without fostering for five days first. Full-price adoptions range from about $75 ...
John Reichart decided to go "all in" this year by decorating every house on his block with Christmas lights for his wife who has Alzheimer's.
"When I have kids, you will not see me in movies anymore," he told the outlet, saying that all he'll do is go golfing and be a dad. "Golf and dad. And I will just disappear off the face of the earth."
The pulse-repetition frequency (PRF) is the number of pulses of a repeating signal in a specific time unit. The term is used within a number of technical disciplines, notably radar . In radar, a radio signal of a particular carrier frequency is turned on and off; the term "frequency" refers to the carrier, while the PRF refers to the number of ...
A 64-year-old missing hiker in Shore Acres State Park sits near a fire and sheltered in an emergency blanket after being found by a local government agency search party, Dec. 8, 2024.