Results 11 to 20 of about 1,354,536 (196)

The dependence of radar target detectability on array weighting function [PDF]

open access: yes, 2009
Presented at the IET-Radar 2007 Conference Edinburgh 15-18 October 2007This paper describes simulation work to assess the detectability of targets by an airborne fire control radar (FCR) operating in a medium pulse repetition frequency (PRF) mode in ...
Alabaster, Clive M., Hughes, Evan J.
core   +7 more sources

A phased array-based method for damage detection and localization in thin plates [PDF]

open access: yes, 2009
A method for damage localization based on the phased array idea has been developed. Four arrays oftransducers are used to perform a beam-forming procedure.
Wandowski, T.   +3 more
core   +4 more sources

The Measurement of Echo Direction in a Phased-Array Radar [PDF]

open access: yesIEEE Transactions on Aerospace and Electronic Systems, 1978
For a planar-array antenna with a monopulse feed horn, this study describes a simple algorithm for the determination of the direction of target echoes. Antenna pattern measurements of the array indicate that the direction sines of a received wavefront can be independently obtained with one simple relation between a normalized difference channel output ...
Rijsdijk, F.B., Spek, G.A. van der
openaire   +1 more source

Self-cross Phase Calibration Method of Oversized Front Distributed Phased Array Radar

open access: yesLeida xuebao, 2013
For oversized front distributed phased array radar, the conventional phased array radar calibration algorithm can not work. This paper presents the combination of self-calibration and cross-calibration algorithm.
Yan Zhou-jie   +3 more
doaj   +1 more source

Covariance matrix reconstruction and steering vector estimation for robust adaptive transmit/receive beamforming in full phased‐MIMO radar

open access: yesElectronics Letters, 2021
The hybrid phased multiple‐input‐multiple‐output (MIMO) radar with subarray partition can provide the transmit coherent gain of phased array and the waveform diversity of MIMO radar. The current researches mainly focus on the different subarray partition
J. Lu, J. Yang, B. Hou, F. Zhu, G. Liu
doaj   +1 more source

Error Evaluation and Hydrometeor Classification Method of Dual Polarization Phased Array Radar

open access: yes应用气象学报, 2022
Phased array radar is faster in scanning speed than mechanical scanning radar, but due to the influence of antenna structure and attenuation, phased array radar will produce larger system error and random error.
Li Zhe   +4 more
doaj   +1 more source

Multi-Antenna Phased Array Radar-Guided Search Resource Optimization Algorithm Based on MADDPG [PDF]

open access: yesJisuanji gongcheng
An optimization algorithm for multi-antenna phased array radar search parameters based on the Multi-Agent Deep Deterministic Policy Gradient (MADDPG) is proposed to address the problem that search parameters of the traditional single-antenna phased array
WANG Teng, HUANG Junsong, WANG Leting, ZHANG Caikun, LI Xiaoyang
doaj   +1 more source

Transmit beampattern design for airborne phased-MIMO radar

open access: yesThe Journal of Engineering, 2019
Airborne phased-MIMO radar based on sub-arrays is investigated that can combine the advantages of both MIMO radar and phased array radar. The transmit beampattern design method for airborne phased-MIMO radar is proposed that can control the transmit beam
Ye Dong, Fengfeng Cheng, Lanying Cao
doaj   +1 more source

The next generation airborne polarimetric Doppler weather radar [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2014
Results from airborne field deployments emphasized the need to obtain concurrently high temporal and spatial resolution measurements of 3-D winds and microphysics.
J. Vivekanandan   +6 more
doaj   +1 more source

Concept and System Architecture of Open Phased Array

open access: yesLeida xuebao, 2023
In the article, the concept and system architecture of open phased array is elaborated systematically and comprehensively for the first time. Open phased array has the characteristics of virtualized resources, software-defined applications, and modular ...
Mingchun HU
doaj   +1 more source

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