Results 31 to 40 of about 28,873 (303)

Volume scan modeling simulator of a 1D phased array weather radar

open access: yesEURASIP Journal on Advances in Signal Processing, 2023
Phased array weather radar (PAWR) for hazardous weather phenomena observation has attracted considerable attention. In this paper, a PAWR simulator for volume scan mode modeling is designed and the volume scan model has been used to evaluate the one ...
Xuehua Li   +8 more
doaj   +1 more source

A Coherent Through-Wall MIMO Phased Array Imaging Radar based on Time-Duplexed Switching [PDF]

open access: yes, 2017
Through-the-Wall (TW) radar sensors are gaining increasing interest for security, surveillance and search and rescue applications. Additionally, the integration of Multiple-Input, Multiple-Output (MIMO) techniques with phased array radar is allowing ...
Brennan, P, Chen, Q, Chetty, K, Lok, L
core   +1 more source

Intelligent Motion Compensation for Improving the Tracking Performance of Shipborne Phased Array Radar

open access: yesInternational Journal of Antennas and Propagation, 2013
The shipborne phased array radar must be able to compensate the ship’s motion and track the maneuvering targets automatically. In this paper, the real-time beam pointing error compensation mechanism of a planar array antenna for ship’s motion is ...
J. Mar   +3 more
doaj   +1 more source

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   +1 more source

mm-Wave Silicon ICs: Challenges and Opportunities [PDF]

open access: yes, 2007
Millimeter-waves offer promising opportunities and interesting challenges to silicon integrated circuit and system designers. These challenges go beyond standard circuit design questions and span a broader range of topics including wave propagation ...
Hajimiri, Ali
core   +1 more source

General space-time clutter model for multi-channel airborne radar

open access: yesThe Journal of Engineering, 2019
Ground clutter of looking-down airborne radar is spread in Doppler because of the platform motion, and thus the interested moving targets may be masked by the ground clutter.
Li Xinzhe   +3 more
doaj   +1 more source

Calibration of Phased-Array High-Frequency Radar on an Anchored Floating Platform

open access: yesRemote Sensing, 2022
Prior studies have highlighted the importance of calibrating receiver antennas in target direction-of-arrival (DOA) estimation and surface current measurement for high-frequency (HF) radar systems.
Bin Wan   +4 more
doaj   +1 more source

A 24-GHz SiGe Phased-Array Receiver—LO Phase-Shifting Approach [PDF]

open access: yes, 2005
A local-oscillator phase-shifting approach is introduced to implement a fully integrated 24-GHz phased-array receiver using an SiGe technology. Sixteen phases of the local oscillator are generated in one oscillator core, resulting in a raw beam-forming ...
Guan, Xiang   +3 more
core   +1 more source

Additional degree of freedom in phased‐MIMO radar signal design using space‐time codes

open access: yesETRI Journal, 2021
In this paper, an additional degree of freedom in phased multi‐input multi‐output (phased‐MIMO) radar with any arbitrary desired covariance matrix is proposed using space‐time codes. By using the proposed method, any desired transmit covariance matrix in
Roholah Vahdani   +2 more
doaj   +1 more source

Simulated annealing whale radar resource scheduling algorithm based on Cauchy mutation

open access: yesXibei Gongye Daxue Xuebao, 2022
In order to improve the effectiveness of radar resource scheduling, a Cauchy mutation simulated annealing whale radar resource scheduling algorithm is proposed in this study. The algorithm integrates the time resources, computing resources and the number
HU Bin, ZHU Yahui, ZHOU Yannian
doaj   +1 more source

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