The azimuth resolution and the slant-range resolution govern the resolution of a radar.
azimuth resolution synonyms, azimuth resolution pronunciation, azimuth resolution translation, English dictionary definition of azimuth resolution. The ability of radar equipment to separate two reflectors at similar ranges but different bearings from a reference point. The angular resolution characteristics of radar are determined by the antenna beamwidth represented by the -3 dB angle Θ which is defined by the half-power (-3 dB) points. azimuth resolution In radar terminology, the width of ground area illuminated by each pulse of electromagnetic radiation.The azimuth increases with increasing distance from the radar. In all of them the range resolution is better than the azimuth resolution.. The table in this link gives the resolution for SLC products aquired in the different aquisition modes. Radar angular resolution is the minimum distance between two equally large targets at the same range which radar is able to distinguish and separate to each other.. Angular Resolution as Antenna Parameter. shən] (electromagnetism) Angle or distance by which two targets must be separated in azimuth to be distinguished by a radar set, when the targets are at the same range. Moreover, it is desirable to recover reflectivity from seismic data The range resolution was determined by the width of the pulse, and the lateral or azimuth resolution by the width of the beam at the range required. Define azimuth resolution. Range resolution is the ability of radar system to distinguish between two or more targets on the same bearing but at different ranges. Resolution is usually divided into two categories; range resolution and bearing resolution. The real aperture azimuth resolution is given by: raz = R* b where: raz azimuth resolution R slant range For example for a Real Aperture Radar of beamwidth 10 milliradians, at a slant range R equal to 700 kilometres, the azimuth resolution raz will be: raz = 700 x 0.01 raz = 7 km Why is the azimuth resolution in Sentinel (SAR sensor) worse than the range resolution?.
Range and resolution analysis of wide-azimuth angle decomposition Gabriela Melo and Paul Sava Center for Wave Phenomena, Colorado School of Mines, Golden, CO 80401 ABSTRACT Imaging in complex media benefits from uniform illumination of the target from all possible directions. This was the basis for most of the Radar systems used up until the early 1960s when an American invention led to a radical improvement in the range resolution. The improved azimuth resolution is Note the azimuth resolution is independent of spacecraft height and improves as the antenna length is reduced. Azimuth Resolution (top view) L - length of radar antenna r - nominal slant range H/cosq l - wavelength of radar Form a synthetic aperture that has a length of 2Ra.