MIL-STD-2071A(AS)
3.3 Antenna polarization. The direction of maximum gain of the radiated wave when the antenna is excited. Alternatively, the polarization of an incident wave from the given orientation that results in maximum available power at the antenna terminals.
3.4 Aspect angle. The aspect angle is the angle formed by the intersection of two lines, one of which extends from the radar antenna to the point in the chaff cloud where measurements are being made and the other which extends through the axis of the chaff cloud along which it was deployed. The latter is usually a line along which the chaff deploying aircraft moves. The aspect angle is composed of two components, one in the elevation plane and the other in the horizontal or azimuth plane. The elevation angle is defined by altitude and range while the azimuth angle is defined by the true course of the aircraft and the offset distance from the radar to the true course line.
3.5 Associated specification. An associated specification is a general specification, detail or performance specification, specification sheet or purchase description that covers requirements for specific parts, materials, equipments, or systems. The associated specification is the requirements document cited in the solicitation SOW or contract.
3.6 Chaff rocket. Chaff packaged in a container that is propelled by a rocket motor is called a chaff rocket. Chaff rockets are air or surface launched, and may deploy discrete chaff units or continuous chaff.
3.7 Continuous chaff. Continuous chaff (also known as corridor chaff) is chaff deployed for long periods of time to protect targets over a large area (also referred to as bulk-or wide area- chaff) and requires a different technique than discrete self-protected chaff.
3.8 Discrete chaff unit. A package, cartridge, or other container filled with chaff material that is deployed at one time to form a chaff cloud is called a discrete chaff unit. Discrete chaff units may be deployed singularly, in multiple units simultaneously, or in rapid sequence. Discrete chaff units form individual chaff clouds that may be spaced apart or may be overlapping.
3.9 On-site data processor. A portable data analysis system which is capable of analyzing real time data and printing out resultant information at the test location.
3.10. Processing - average pulse-to-pulse radar cross-section. A means of determining the average geometric cross-section of a chaff cloud or area within the cloud by averaging a large number of amplitude returns (pulses) from the cloud.
3.11 Processing - K. A factor used to calibrate the RCS processing equipment to the measuring radar. K is a ratio of transmittal power to receiver sensitivity, and affects the numerical RCS values by 0.33 dB per K integer.
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