Results 11 to 20 of about 5,033 (311)

Microwave phased array for aerological radar [PDF]

open access: yesITM Web of Conferences, 2019
The use of radars with phased antenna arrays in aerological atmospheric sounding systems significantly increases the technical characteristics of the radio channel, ensures reliable auto-tracking in the near zone at high angular velocities of the ...
Shabunin Sergey   +3 more
doaj   +2 more sources

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

Millimeter-Wave Phased Arrays in Silicon [PDF]

open access: yes, 2007
Integration of mm-wave multiple-antenna systems on silicon-based processes enables complex, low-cost systems for high-frequency communication and sensing applications.
Natarajan, Arun Sridhar
core   +1 more source

Examination of the effect of array weighting function on radar target detectability [PDF]

open access: yes, 2010
This paper describes a methodology to assess the detectability of targets by anairborne fire control radar operating in a medium PRF mode in the presence of strongground clutter as a function of the transmitting and receiving antenna array ...
Alabaster, Clive M.   +3 more
core   +1 more source

Phased-Array Radar System Simulator (PASIM): Development and Simulation Result Assessment

open access: yesRemote Sensing, 2019
In this paper, a system-specific phased-array radar system simulator was developed, based on a time-domain modeling and simulation method, mainly for system performance evaluation of the future Spectrum-Efficient National Surveillance Radar (SENSR).
Zhe Li   +4 more
doaj   +1 more source

Multi-Carrier Agile Phased Array Radar [PDF]

open access: yesIEEE Transactions on Signal Processing, 2020
Modern radar systems are expected to operate reliably in congested environments. A candidate technology for meeting these demands is frequency agile radar (FAR), which randomly changes its carrier frequencies. FAR is known to improve the electronic counter-countermeasures (ECCM) performance while facilitating operation in congested setups.
Tianyao Huang   +5 more
openaire   +2 more sources

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

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

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