Engineering Dictionary of Radar terms
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"

'La' to 'Ln', 'Lo' to 'Lz'

L-Band: A contiguous range of frequencies between 1000MHz and 2000MHz. Frequencies between 1700 and 1850MHz may be referred to as the upper L-Band. Also refer to a table of Radar Frequency Bands.

Leakage: Undesired radiation or conduction of RF energy through the shielding of an enclosed area or of an electronic device.

Lens, Radar: The purpose of any such lens is to refract (focus) the diverging beam from an RF feed into a parallel beam (transmitting) or vice versa (receiving). The polarization is feed dependent.

Light Amplification by Stimulated Emission of Radiation: [LASER] A process of generating coherent light. The process utilizes a natural molecular (and atomic) phenomenon whereby molecules absorb incident electromagnetic energy at specific frequencies, store this energy for short but usable periods, and then release the stored energy in the form of light at particular frequencies in an extremely narrow frequency-band. [Laser Diode Manufacturers]

Limiting: A term to describe that an amplifier has reached its point of saturation or maximum output voltage swing. Deliberate limiting of the signal is used in FM demodulation so that AM will not also be demodulated.

Lin-Log Amplifier: Amplifier in which the response is linear for weak signals and logarithmic for large signals.

Line of Sight: Straight line from a radar antenna to a target.

Line-Pulsing Modulator: Circuit that stores energy and forms pulses in the same circuit element, usually the pulse-forming network (pfn).

Liquid-Cooling System: Source of cooling for high-heat producing equipments, such as microwave components, radar repeaters, and transmitters.

Shore Line
Littoral Zone

Littoral: Near a shore.

PC motherboard

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