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Now showing items 2656-2675 of 3130
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Soru Cevaplama Sistemleri Üzerine Detaylı Bir Çalışma: Veri Kümeleri, Yöntemler ve Açık Araştırma Alanları
(2021)Soru Cevaplama (QA) sistemleri, kullanıcıların doğal dilde sordukları sorulara belge veya bağlantıları listelemek yerine doğrudan cevap almalarını sağlayan sistemlerdir. Bu çalışmada, QA sistemlerinde yaygın kullanılan ... -
Sosyal Devlet Kapsamında Çalışma Özgürlüğü ve Çalışma Hakkının Değerlendirilmesi
(2019)Sosyal ve ekonomik haklar, sosyal devletin gerçekleştirilmesinde büyük öneme sahiptir. Bu hakların amacı sosyal adaleti sağlamak, sosyal eşitsizliği azaltmak, toplum içinde yer alan zayıf ve güçsüz grupları korumak veinsanın ... -
"Sosyal Devlet Kapsamında Çalışma Özgürlüğü ve Çalışma Hakkının Değerlendirilmesi"
(Seçkin Yayıncılık, 2019)Sosyal ve ekonomik haklar, sosyal devletin gerçekleştirilmesinde büyük öneme sahiptir. Bu hakların amacı sosyal adaleti sağlamak, sosyal eşitsizliği azaltmak, toplum içinde yer alan zayıf ve güçsüz grupları korumak ve insanın ... -
Sosyal Hakların “Maliyet”i: Avrupa Sosyal Şartı ve Türkiye
(Kadir Has Üniversitesi, 2019)Bu çalışmada insan hakları ailesinin “üvey evladı” olarak görülen sosyal haklar, “hak temelli” bir bakış açısı ile ele alınmaktadır. Medeni ve siyasi haklarla karşılaştırıldığında, bu haklara ve onları hayata geçirecek ... -
Space time coded cooperative communication with joint antenna and relay selection
(2010)Although multiple antenna and cooperative communication techniques can increase the system capacity, it can be difficult to use them in practice because of their high complexity. In this paper," joint transmit/receive ... -
Space time coded OFDM system with transmit and receive antenna selection
(2010)In this paper antenna selection both at the transmitter and the receiver is proposed for space-time coded (STC) orthogonal frequency division multiplexing (OFDM) systems. Antennas for all-subcarriers or per-subcarrier are ... -
Space time turbo coded OFDM system with transmit and receive antenna selection
(IEEE, 2011)In this paper a space-time turbo coded (STTC) orthogonal frequency division multiplexing (OFDM) system with QPSK signalling is explored when joint transmit and receive antenna selection is employed. Maximization of signal ... -
A Space-Efficient Universal and Multi-Operative Reversible Gate Design Based on Quantum-Dots
(World Scientific Publ Co Pte Ltd, 2023)Because of the high speed, low-power consumption, low latency and possible use at the atomic and molecular levels, Quantum-dot Cellular Automata (QCA) technology is one of the future nanoscale technologies that can replace ... -
Space-Time Block Coded Spatial Modulation
(IEEE-INST Electrical Electronics Engineers Inc, 2011)A novel multiple-input multiple-output (MIMO) transmission scheme called space-time block coded spatial modulation (STBC-SM) is proposed. It combines spatial modulation (SM) and space-time block coding (STBC) to take ... -
Space-Time Block Coding for Spatial Modulation
(IEEE, 2010)Space-time block coded spatial modulation (STBC-SM) which employs space-time block coding (STBC) for spatial modulation (SM) is proposed as a new multiple-input multiple-output (MIMO) transmission scheme. In the STBC-SM ... -
Space-time coded systems with joint transmit and receive antenna selection
(IEEE, 2007)This paper studies performance of space-time coded (STC) systems with joint transmit and receive antenna selection over multiple input multiple output (MIMO) flat and frequency-selective (FS) fading channels. Specifically ... -
Sparse Channel Estimation and Equalization for OFDM-Based Underwater Cooperative Systemsw with Amplify-and-Forward Relaying
(IEEE-INST Electrical Electronics Engineers Inc, 2016)This paper is concerned with a challenging problem of channel estimation and equalization for amplify-and-forward cooperative relay based orthogonal frequency division multi-plexing (OFDM) systems in sparse underwater ... -
Sparse Channel Estimation for OFDM-Based Underwater Acoustic Systems in Rician Fading With a New OMP-MAP Algorithm
(IEEE, 2019)In this paper a new channel estimation algorithm is proposed that exploits channel sparsity in the time domain for an orthogonal frequency division multiplexing (OFDM)-based underwater acoustical (UWA) communications systems ... -
Sparse channel estimation for OFDM-based underwater cooperative systems with amplify-and-forward relaying
(IEEE Computer Society, 2014)This paper is concerned with a challenging problem of channel estimation for amplify-and-forward cooperative relay based orthogonal frequency division multiplexing (OFDM) systems in the presence of sparse underwater acoustic ... -
Sparse Channel Estimation for Space-Time Block Coded OFDM-Based Underwater Acoustic Channels
(Institute of Electrical and Electronics Engineers Inc., 2018)Communication over acoustic signals underwater results in multi-scale multi-lag channels due to multipath propagation. Hence a robust channel estimation technique has to be present at the receiver. In this paper assuming ... -
Sparse Channel Estimation with Clipping Noise in DCO-OFDM Based VLC Systems
(IEEE, 2020)In this paper a new computationally efficient and high performance channel estimation algorithm is proposed for DC-biased optical OFDM (DCO-OFDM) systems in indoor visible light communications (VLC) in the presence of a ... -
Sparse Code Multiple Access-Based Edge Computing for IoT Systems
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)In this paper, a sparse code multiple access (SCMA)-based edge computing scheme is proposed for Internet-of- Things (IoT) systems. The aim of implementing SCMA, which is a nonorthogonal multiple access resource allocation ... -
Sparse underwater acoustic channel estimation in colored Gaussian noise [Renkli? Gauss gürültülü seyrek sualtı akusti?k kanalların kestirimi]
(IEEE, 2012)Cooperative underwater acoustic communication systems come into prominence in recent years. Since underwater channels are sparse and additive noise entering the system is colored Gaussian noise. Therefore it is very difficult ... -
Sparsity Preserving Computation for Spectral Projectors
(Amer Inst Physics, 2011)Several areas of applications such as model order reduction preconditioner design and eigenvalue problems for spectral projectors can be found in the literature. In this paper a fast and sparsity preserving approach for ... -
A sparsity-preserving spectral preconditioner for power flow analysis
(TUBITAK Scientific & Technical Research Council Turkey, 2016)Due to the ever-increasing demand for more detailed and accurate power system simulations the dimensions of mathematical models increase. Although the traditional direct linear equation solvers based on LU factorization ...
