Results 31 to 40 of about 229,198 (350)
Concept and System Architecture of Open Phased Array
Leida 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
MATEC Web of Conferences, 2018 In order to reduce the loss of Degree of Freedom (DOF) brought by the transmit subarray splitting of two-dimensional hybrid phased-MIMO radar, this paper presents a design method of transmitting and receiving array based on nested array structure ...
Cheng Tianhao +3 more
doaj +1 more source
Remote Sensing, 2020 Shore-based phased-array HF radars have been widely used for remotely sensing ocean surface current, wave, and wind around the world. However, phase uncertainties, especially phase distortions, in receiving elements significantly degrade the performance ...
Chen Zhao +5 more
doaj +1 more source
In-Flight Performance Monitoring of TerraSAR-X Active Phased Array Antenna [PDF]
, 2009 TerraSAR-X is a high resolution synthetic aperture radar (SAR) satellite launched in 2007. Its active phased array X-Band antenna hosts 384 transmit/receive modules (TRMs) controlling the beam shape and steering in azimuth and elevation.
Markus Bachmann +5 more
core +1 more source
Microwave Photonic Array Radars
IEEE Journal of Microwaves, 2021 Phased array radars have remarkable advantages over radars with single-element antenna in terms of agility, flexibility, robustness, and reconfigurability.
Shilong Pan +3 more
doaj +1 more source
Optimization of inter-dependent metrics for phased array radar control [PDF]
, 2022 6 S.Static allocation of phased array radar resources for the surveillance of low earth orbit objects is addressed in this paper. The objective of the optimization is to utilize prior knowledge of likely target trajectories to maximize the expected ...
Charlish, A., Sciotti, M.
core +1 more source
Extraction method of wide-band phased array radar signals based on pulse amplitude characteristic
The Journal of Engineering, 2019 Wide-band phased array radar is the primary focus in electronic countermeasure reconnaissance, and prior extraction of such radar signals in the interleaved pulse data intercepted by the receiver has important military significance.
Meng Xianghao, An Yongwang, Li Pengyong
doaj +1 more source
Methods for determining the phase difference of the output signals for the receiving elements of a phased antenna array in a radiophoton circuit with parallel and series pairwise connection of electro-optical modulators [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 Obtaining accurate phase values of the output signals for the receiving elements of a phased array antenna is one of the crucial issues relating to radio-photon technologies in radar and radio communication.
Yaroslav N. Gusenitsa +3 more
doaj +1 more source
The Journal of Engineering, 2019 Conventional space-time adaptive processing (STAP) achieves clutter suppression by combining spatial signals and the temporal pulses. However, extreme slow-moving target cannot be effectively detected by space-time joint filtering in ambiguous and non ...
Yuze Sun, Jian Yang, Xiaopeng Yang
doaj +1 more source
Progress in phased-array radar applications [PDF]
, 2022 4 S.During the last decade a rapid progress of phased-array radar systems for military as well as for civil applications can be observed. New extensive programs also in Europe are technology drivers in this field. The aim of this paper is to give a short
Klemm, R. +6 more
core +1 more source