Browsing by Title
Now showing items 3154-3173 of 4497
-
Phase Transitions in Pure and Hybrid Hydrogels: A Fluorescence Study
(Wiley, 2009)Recent observations on phase transitions around the critical point showed that the critical exponents differed drastically from percolation results and classical results for pure hydrogel systems depending on monomer ... -
Phase transitions of the variety of random-field Potts models
(Elsevier, 2021)The phase transitions of random-field q-state Potts models in d = 3 dimensions are studied by renormalization-group theory by exact solution of a hierarchical lattice and, equivalently, approximate Migdal-Kadanoff solutions ... -
Phenolic Profile, Antioxidant and Enzyme Inhibitory Activities of Leaves from Two Cassia and Two Senna Species
(Mdpi, 2022)Several species within the genera Cassia or Senna have a treasure of traditional medicines worldwide and can be a promising source of bioactive molecules. The objective of the present study was to evaluate the phenolic ... -
A phenomenological approach to the film editing practice: Legacy of Maurice Merleau-Ponty
(Kadir Has Üniversitesi, 2019)A phenomenological look on film editing through Merleau-Ponty’s ideas opens up a new way of seeing what editing is and how it affects the spectator. In the classical sense, editing is looked at technically where certain ... -
Philosophical concerns in fine arts education
(Elsevier Science Bv, 2012)Due to the rapid changes in society it is increasingly important to ask why we teach the way we do which teaching methods we should adopt and which we should reject or abandon. As a result it is crucial that philosophical ... -
Photolithography-Based Microfabrication of Biodegradable Flexible and Stretchable Sensors
(Wiley-V C H Verlag Gmbh, 2023)Biodegradable sensors based on integrating conductive layers with polymeric materials in flexible and stretchable forms have been established. However, the lack of a generalized microfabrication method results in large-sized, ... -
Physical layer security and channel estimation in optical generalized index-modulated ofdm system
(Kadir Has Üniversitesi, 2022-01)Visible light communication (VLC) is a promising and not completely discovered technology for next-generation wireless communication systems. In this thesis, gen eralized LED index modulation (GLIM-OFDM), which is a new ... -
Physical Layer Security for Multi-User MIMO Visible Light Communication Systems with Generalized Space Shift Keying
(Institute of Electrical and Electronics Engineers Inc., 2021)We consider the physical layer security (PLS) of multi-user (MU) multiple-input-multiple-output visible light communication (VLC) systems with an eavesdropper (Eve) and propose a novel spatial constellation design technique ... -
Physical layer security in the visible light communications systems
(Kadir Has Üniversitesi, 2020)With the rapid developments in technology in recent years, the need for fast and secure access to information has been increasing day by day. With this increasing demand, the radio frequency (RF) band which used for wireless ... -
Physical Layer Security Under the Effect of Dimming in Visible Light Communications
(IEEE, 2023)Visible Light Communication (VLC) is a promising option for 6G wireless systems to increase performance and provide a high-speed data rate compared to radio frequency (RF). Dimming control is one of the most important ... -
Physical-Layer Security in 6G Networks
(IEEE-Inst Electrical Electronics Engineers Inc, 2021)The sixth generation (6G) of mobile network will be composed by different nodes, from macro-devices (satellite) to nano-devices (sensors inside the human body), providing a full connectivity fabric all around us. These ... -
Physical-layer security in visible light communications
(Institute of Electrical and Electronics Engineers Inc., 2020)Optical wireless communications (OWC) and its potential to solve physical layer security (PLS) issues are becoming important research areas in 6G communications systems. In this paper, an overview of PLS in visible light ... -
Physical-Layer Security With Optical Generalized Space Shift Keying
(Ieee-Inst Electrıcal Electronıcs Engıneers Inc, 2020)Spatial modulation (SM) is a promising technique that reduces inter-channel interference while providing high power efficiency and detection simplicity. In order to ensure the secrecy of SM, precoding and friendly jamming ... -
Picture books vs. picture book apps: An in-depth analysis of industry experts
(Kadir Has Üniversitesi, 2016)The aim of this research is to examine the differences between tale picture books and tale picture book apps, prepared for children at the age of 7 to 9; according to their effects on children's reading culture; in terms ... -
Pilot assisted channel estimation for asymmetrically clipped optical OFDM over visible light channels
(Institute of Electrical and Electronics Engineers Inc., 2017)The Visible Light Communication(VLC) has drawn significant attention recently for wireless communication in addressing the performance limitations of wireless systems due to the scarcity of bandwidth. In VLC system the ... -
Pilot Symbol Aided Channel Estimation for Spatial Modulation-OFDM Systems and its Performance Analysis with Different Types of Interpolations
(Springer, 2017)Spatial modulation orthogonal frequency division multiplexing (SM-OFDM) system has been recently proposed as an alternative for multiple-input multiple-output (MIMO)-OFDM systems to increase spectral efficiency by keeping ... -
Pilot Symbol Assisted Channel Estimation for 4x4 Space Time Block Coded Spatial Modulation Systems
(IEEE, 2015)Recently spatial modulation (SM) and space-time block coding (STBC) are combined to take advantage of the benefits of both while avoiding their drawbacks for multiple-input and multiple-output (MIMO) systems. The pioneering ... -
Pilot-aided bayesian MMSE channel estimation for OFDM systems: Algorithm and performance analysis
(2004)This paper proposes a computationally efficient pilot-aided minimum mean square error (MMSE) channel estimation algorithm for OFDM systems. The proposed approach employs a convenient representation of the discrete multipath ... -
Piyasa etkinliği ve İMKB: Zayıf formda etkinliğe ilişkin ekonometrik bir analiz
(Kadir Has Üniversitesi, 2006)[Abstract Not Available] -
Piyasa riski ölçümü olarak riske maruz değer ve hisse senedi portföyleri için bir uygulama
(Kadir Has Üniversitesi, 2010)Son yıllarda, finansal kurumlarda piyasa oynaklıklarının etkilerini kontrol etmek amacıyla, piyasa risklerinin yönetiminin önemi artmaktadır. Risk yönetiminin bir yaklaşımı olan Riske Maruz Değer (RMD) hem uygulayıcılar ...
