Results 221 to 230 of about 20,301,119 (276)

Circularly polarized light scattering imaging of a cancerous layer creeping under a healthy layer for the diagnosis of early-stage cervical cancer. [PDF]

J Biomed Opt
Nishizawa N, Ishikawa M, Maskey MR, Esumi A, Matsumoto T, Kuchimaru T.   +5 more
europepmc   +1 more source

Highly pathogenic avian influenza H5 clade 2.3.4.4 and human new pandemic H1N1 virus exposure in domestic cats with outdoor access in the Netherlands in 2024. [PDF]

J Feline Med Surg
Duijvestijn MB, Broens EM, Schuurman NN, Vernooij JC, van den Brand JM, Wagenaar JA, van Kuppeveld FJ, Verhagen JH, de Haan CA.   +8 more
europepmc   +1 more source

Extending effective multiplicity for independent designs in multichannel fNIRS studies. [PDF]

Neurophotonics
Yamamoto Y, Kawai W, Hayashi T, Ishikawa Y, Uga M, Kyutoku Y, Dan I.   +6 more
europepmc   +1 more source

Phase-independent wireless data aggregation via optical in-sensor computing. [PDF]

Nat Commun
Sun S, Lu Z, Wang Y, Liu Z, Mao Z, Shi Q, Wang F, Wang W, Jiang J, Lu B, He H, Pan X, Qian H, Ye Z.   +13 more
europepmc   +1 more source

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Optical Code Division Multiple Access

Optics and Photonics News, 2003
Code division multiple access (CDMA) allows multiple users access to limited-bandwidth networks. The Defense Advanced Research Projects Agency has launched an ambitious program aimed at demonstrating technology for an advanced network based on optical CDMA.
Jagdeep Shāh
openaire   +3 more sources

Multiuser detection for optical code division multiple access systems

IEEE Transactions on Communications, 1994
Considers a multiuser detection scheme for optical direct sequence code division multiple access (OCDMA) systems, referred to as the multistage detector. Previous works in this area have proposed two detectors: the correlation detector that is simple, but has poor performance for large number of users, and the optimal (minimum probability of error ...
Maïté Brandt-Pearce, Behnaam Aazhang
openaire   +4 more sources

A Review on Spectral Amplitude Coding Optical Code Division Multiple Access

Journal of Optical Communications, 2017
AbstractThis manuscript deals with analysis of Spectral Amplitude Coding Optical Code Division Multiple Access (SACOCDMA) system. The major noise source in optical CDMA is co-channel interference from other users known as multiple access interference (MAI).
Navpreet Kaur, Rakesh Goyal, Monika Rani
openaire   +3 more sources

Strict optical orthogonal codes for purely asynchronous code-division multiple-access applications

Applied Optics, 1996
Strict optical orthogonal codes are presented for purely asynchronous optical code-division multiple-access (CDMA) applications. The proposed code can strictly guarantee the peaks of its cross-correlation functions and the sidelobes of any of its autocorrelation functions to have a value of 1 in purely asynchronous data communications. The basic theory
openaire   +4 more sources