subaperture

subaperture

[səb′ap·ə·chər]
(engineering)
Any subset of an array of transmitters of acoustic or electromagnetic radiation.
References in periodicals archive ?
The D3-STAP does not require the training data at the cost of reduced subaperture.
QED Technologies (QED), pioneer and provider of Magnetorheological Finishing (MRFA) polishing and Subaperture Stitching Interferometry (SSIA) metrology platforms for the precision optics industry, announces that the Association of Universities for Research in Astronomy (AURA) has awarded QED Optics a contract to manufacture precision optics for the Daniel K.
az] is the length of subaperture and Vs is the velocity of the SAR platform.
Prats, "First ENVISAT and ERS-2 parasitic bistatic fixed receiver SAR images processed with the subaperture range-Doppler algorithm," IGARSS, 1840-1843, 2006.
has developed the Subaperture Stitching Interferometer for Aspheres (SSI-A), a six-axis, computer-controlled interferometric workstation that marks a first in the optics industry.
Its unique optical design utilizes a subaperture meniscus corrector lens in front of the secondary mirror to produce a large imaging field free from optical aberrations at f/11.
Because the speckles distribute randomly, they can be restrained by the non-coherent accumulation of multiple subaperture images.
QED Technologies, the pioneer and exclusive provider of Magnetorheological Finishing (MRF([R])) and Subaperture Stitching Interferometry (SSI([R])), announces implementation of one of its new Aspheric Stitching Interferometers (ASI([R])) at the Leibniz Institute for Surface Modification (IOM) in Leipzig, Germany.
Shi, "Fast 3-D microwave imaging method based on subaperture approximation," Progress In Electromagnetics Research, Vol.
Compared to other solutions to overcome the aliased Doppler spectra, the use of subaperture is a simple and efficient method.
Like some previous Tele Vue refractors, the NP 101 is a four-element design with a full-aperture doublet objective up front and subaperture doublet near the back.