Results 71 to 80 of about 4,521 (202)

Performance Analysis of Chaotic DSSS-CDMA Synchronization Under Jamming Attack

, 2016
This paper investigates the performance of acquisition section of synchronization in direct-sequence spread spectrum (DSSS-CDMA) under jamming attacks. DSSS-CDMA in this study uses chaotic sequences.
Swain, Akshya, Berber, Stevan, Tayebi, A
core   +1 more source

Construct validity of the Depression and Somatic Symptoms Scale: evaluation by Mokken scale analysis

Neuropsychiatric Disease and Treatment, 2017
Ya-Hsin Chou,1 Chin-Pang Lee,1,2 Chia-Yih Liu,1,2 Ching-I Hung1,2 1Department of Psychiatry, Chang-Gung Memorial Hospital at Linkou, 2School of Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan Objective: Previous studies of the ...
Chou YH, Lee CP, Liu CY, Hung CI
doaj  

Ni‐Induced Interface Refinement Enhances Strength‐Ductility Synergy in LPBF‐Processed Ti‐Mo‐Ni Alloy

Rare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Microstructural refinement is a common strategy for strengthening additively manufactured titanium alloys because it promotes phase nucleation. Reducing the α/β interfacial formation energy is an effective way to increase the nucleation rate.
An Li, Qi Wang, Ying Gao, Xin Ding, Yanqing Su, Hengzhi Fu, Ruirun Chen   +6 more
wiley   +1 more source

Analisis Unjuk Kerja Convolutional Code pada Sistem MIMO MC-DSSS Melalui Kanal Rayleigh Fading [PDF]

, 2017
Kombinasi antara sistem MIMO (multiple input multiple output), OFDM (orthogonal frequency division multiplexing), dan spread spectrum serta adanya teknik pengkodean kanal mampu mengurangi efek fading dan error yang terjadi. Penelitian ini bertujuan untuk
Ni Made Ary Esta Dewi Wirastuti, Kadek Agus Mahabojana Dwi Prayoga, I Gst A. Komang Diafari Djuni Hartawan   +2 more
core   +2 more sources

Генератор кода Баркера для DSSS приложений [PDF]

, 2014
В данной работе рассмотрено применение кода Баркера для DSSS-систем. Предлагается схема генератора кода Баркера, выполненного на основе логических схем.
СОРОКИН, Г., ШКОРУПЕЕВ, И., РАДЧИНСКИЙ, В.   +2 more
core   +1 more source

Experimental evaluation of a double-slope solar still with graphene nanocoating and graphene oxide–Enhanced phase change material for enhanced solar desalination

Energy Nexus
The performance of the conventional double-slope solar still (DSSS) is hindered by its low water production, which arises from ineffective solar energy absorption and quick dissipation of heat after sunset, hence limiting the evaporation process.
Venkatesh Ravi, Vijayakumar Rajendran, T. Yuvaraj, N.P. Gopinath, Wesley Jeevadason Aruldoss, Mohit Bajaj, Vojtech Blazek, Lukas Prokop   +7 more
doaj   +1 more source

Predictive M‐Site Design of MAX‐Derived CoNi Composites: Dual‐Scale TaC + L12 Strengthening Enabled by Rare Metal Ta

Rare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT In MAX‐phase‐derived metal–matrix composites, the M‐site element simultaneously governs carbide chemistry and matrix precipitate stability, yet it has traditionally been selected empirically rather than from a predictive criterion linking M‐site choice to carbide chemistry, matrix alloying, and L12 stability; moreover, the reaction pathway ...
Wei Yang, Wei Qiu, Ziting Sun, Chengliang Qiu, Peisheng Wang, Shuhong Liu, Jianling Yue, Xiaozhong Huang, Yong Du   +8 more
wiley   +1 more source

Structurally Complex Precipitates Enhance Strength‐Ductility Synergy in a Duplex Medium Entropy Alloy

Advanced Science, Volume 13, Issue 46, 17 August 2026.
Strong‐yet‐ductile precipitation‐hardening alloys require novel microstructural complexity of precipitates in particularly at cryogenic condition, to constantly impart strain hardening of hard‐and‐brittle precipitates. The present work creates innovative structurally complex precipitates assembled with dispersed nanocores and a chemical‐heterogeneity ...
Shaohua Gao, Yang Yang, Xiaoxuan Fan, Jinyu Zhang, Shuaiyang Liu, Jiao Li, Hui Wang, Wenli Song, Gang Liu, Jun Sun   +9 more
wiley   +1 more source

An Investigation to the Performance of Quantized DSSS in Mobile Wireless Communications under AWGN and Multipath Fading Channels

مجلة النهرين للعلوم الهندسية, 2017
This paper presents an investigation to the performance of quantized direct-sequence spread spectrum system (DSSS) in mobile wireless communications systems. To obtain a real world value (RWV), the DSSS received signal is quantized to different levels of
Riyadh Jabbar Soudani
doaj  

Precipitation‐Modulated Harmonic Architectures Enable Superior Strength–Ductility Synergy from Cryogenic to Elevated Temperatures in Nanostructured Alloys

Advanced Science, Volume 13, Issue 39, 13 July 2026.
Precipitation‐modulated recrystallization enables a programmable bimodal harmonic architecture in a high‐entropy alloy, delivering 1–2 GPa yield strength with >10% ductility from −196 °C to 700 °C. The resulting broad‐temperature robustness arises from the synergy of dual‐mode nanoprecipitation, harmonic core–shell topology, and temperature‐adaptive ...
Wei Li, Liangyin Xiong, Mengchao Niu, Junhua Luan, Wei Wang, Zengbao Jiao   +5 more
wiley   +1 more source