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A low-probability-of-intercept radar (LPIR) is a radar employing measures to avoid detection by passive radar detection equipment (such as a radar warning receiver (RWR), or electronic support receiver) while it is searching for a target or engaged in target tracking.
Synthetic aperture radar (2 C, 55 P) Pages in category "Radio frequency antenna types" ... Loop antenna; Low-probability-of-intercept radar; M. Mast radiator;
Light surface below wing edges is the AN/APQ-181 radar antenna. The AN/APQ-181 is an all-weather, low probability of intercept (LPI) phased array radar system designed by Hughes Aircraft (now Raytheon) for the U.S. Air Force B-2A Spirit bomber aircraft. The system was developed in the mid-1980s and entered service in 1993.
The AN/APG-77 is a multifunction low probability of intercept radar installed on the F-22 Raptor fighter aircraft. The radar was designed and initially built by Westinghouse and Texas Instruments, and production continued with their respective successors Northrop Grumman and Raytheon after acquisition.
The radar employs multi-beam and pulse Doppler techniques, as well as robust Electronic counter-countermeasures techniques to extract low radar cross-section targets from complex clutter and jamming environments. AESA radars provide a low probability of intercept of emitted signals and help the ships
Such a system is referred to as a low-probability-of-intercept radar. [39] [40] In other applications, such as microwave links, the transmitter's antenna may never point at the DF receiver at all, so reception is only possible by means of the signal leakage from antenna side lobes.
It is a low probability of intercept radar. It is a liquid cooled AESA radar featuring quad band modules that can be stacked to form a larger unit. This allows the manufacturer to scale the radar to be used in larger aircraft. [1]
The Northrop Tacit Blue is a technology demonstrator aircraft created to demonstrate that a low-observable stealth surveillance aircraft with a low-probability-of-intercept radar (LPIR) and other sensors could operate close to the forward line of battle with a high degree of survivability.