Online sparse DOA estimation based on sub–aperture recursive LASSO for TDM–MIMO radar

J Luo, Y Zhang, J Yang, D Zhang, Y Zhang, Y Zhang… - Remote Sensing, 2022 - mdpi.com
The least absolute shrinkage and selection operator (LASSO) algorithm is a promising
method for sparse source location in time–division multiplexing (TDM) multiple–input …

Experimental study of the free space optics communication system operating in the 8–12 µm spectral range

M Garlinska, A Pregowska, I Gutowska, M Osial… - Electronics, 2021 - mdpi.com
(1) Background: Free space optics communication (FSO) has improved wireless
communication and data transfer thanks to high bandwidth, low power consumption, energy …

A multi-objective quantum genetic algorithm for MIMO radar waveform design

T Liu, J Sun, G Wang, Y Lu - Remote Sensing, 2022 - mdpi.com
Aiming at maximizing waveform diversity gain when designing a phase-coded multiple-input
multiple-output (MIMO) radar waveform set, it is desirable that all waveforms are orthogonal …

Harmonic generation in biased semiconductor superlattices

MF Pereira - Nanomaterials, 2022 - mdpi.com
Semiconductor superlattices are proven nanomaterials for THz nonlinear optics by means of
high order harmonic generation. Seminal approaches leading to a perfectly antisymmetric …

Calculation of intersubband absorption in ZnO/ZnMgO asymmetric double quantum wells

A Atić, N Vuković, J Radovanović - Optical and Quantum Electronics, 2022 - Springer
ZnO based heterostructures have recently received increased research attention, related to
the development of room temperature THz/MiR semiconductor devices. The potential for …

Performance of transmit aperture selection to mitigate jamming

I Chauhan, MR Bhatnagar - Applied Sciences, 2022 - mdpi.com
In this work, we investigate the impact of the transmit aperture selection technique to
alleviate the effect of jamming on a free space optical (FSO) communication system. We …

Joint design of the transmit beampattern and angular waveform for colocated MIMO radar under a constant modulus constraint

H Zheng, B Jiu, K Li, H Liu - Remote Sensing, 2021 - mdpi.com
In this paper, we investigate the joint design of a transmit beampattern and angular
waveform (AW) for colocated multiple-input multiple-output (MIMO) radars. The importance …

Hybrid dual-hop RF/FSO terrestrial-deep space communication system under solar scintillation during superior solar conjunction

M Jin, W Liu, Y Hao, R Wu, Z Wei, D Deng, H Liu - Applied Sciences, 2022 - mdpi.com
Free-space optical communication (FSO) technology has wide prospects in deep space
exploration, but it will encounter coronal turbulence during superior solar conjunction, and …

Combined structural and voltage control of giant nonlinearities in semiconductor superlattices

MF Pereira, A Apostolakis - Nanomaterials, 2021 - mdpi.com
Recent studies have predicted a strong increase in high harmonic emission in unbiased
semiconductor superlattices due to asymmetric current flow. In parallel, an external static …

[PDF][PDF] 量子级联激光器非线性动态特性研究进展

冯伟, 毛雨, 孟悦, 任天亮, 王长, 曹俊诚 - 红外与毫米波学报, 2023 - researching.cn
量子级联激光器(Quantum Cascade Laser, QCL) 是依赖电子在量子阱子带间跃迁辐射出光子
而发生激射的单极型半导体激光器. 大量的理论与实验研究已经证明轻微的外部扰动(如光反馈 …