نتایج جستجو برای: frequency domain fd

تعداد نتایج: 863757  

2012
Shinya KUMAGAI Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI

Multiple-input multiple-output (MIMO) spatial multiplexing is a powerful technique to increase the transmission data rate. However, if MIMO spatial multiplexing is applied to single-carrier (SC) block transmissions, it suffers from the intersymbol interference (ISI) as well as the inter-antenna interference (IAI). In this paper, we propose a joint transmit/receive frequency-domain (FD) filterin...

Journal: :Journal of Lightwave Technology 2022

Spectrally efficient communication is studied for short-reach fiber-optic links with chromatic dispersion (CD) and receivers that employ direction-detection oversampling. Achievable rates symbol error probabilities are computed by using auxiliary channels account memory in the sampled strings. Real-alphabet bipolar complex-alphabet symmetric modulations shown to achieve significant energy gains...

Journal: :Journal of biomedical optics 2012
Cosimo Arnesano Ylenia Santoro Enrico Gratton

Near-infrared (NIR) (650 to 1000 nm) optical properties of turbid media can be quantified accurately and noninvasively using methods based on diffuse reflectance or transmittance, such as frequency-domain photon migration (FDPM). Conventional FDPM techniques based on white-light steady-state (SS) spectral measurements in conjunction with the acquisition of frequency-domain (FD) data at selected...

2002
Chia-Chin Chong David I. Laurenson Chor Min Tan Steve McLaughlin Mark A. Beach Andrew R. Nix

In this paper, the serial interference cancellation (SIC) technique and the frequency domain SAGE (FD-SAGE) algorithm are jointly used to detect and estimate the radio channel parameters of interest. The implementation of the SAGE algorithm in the frequency domain is novel. Furthermore, the parallel interference cancellation (PIC) technique in the standard SAGE algorithm is replaced by the SIC ...

Journal: :Wireless Sensor Network 2010
Gunawath Mudiyanselage Roshan Indika Godaliyadda Hari Krishna Garg

The challenging conditions prevalent in indoor environments have rendered many traditional positioning methods inept to yield satisfactory results. Our work tackles the challenging problem of accurate indoor positioning in hazardous multipath environments through three versatile super resolution techniques: time domain Multiple Signal Classification (TD-MUSIC), frequency domain MUSIC (FD-MUSIC)...

2009
A. M. Aibinu M. J. E. Salami A. Shafie M. Ali I. A. Bamgbopa

The phenomenon of Sick Building Syndrome (SBS), Building Related Illness (BRI) and some other indoor related diseases have been attributed to mould and fungi exposure in the indoor environment. Despite the growing concern over mould and fungi infestations on building materials, little has been reported in the literature on the development of an objective tool and criteria for measuring and char...

1994
Daniel Diaz

Using a glass-box theory of nite domain constraints, FD, we show how the entailment of user-deened constraints can be expressed by anti-monotone FD constraints. We also provide an algorithm for checking the entailment and consistency of FD constraints. FD is shown to be expressive enough to allow the deenition of arithmetical constraints, as well as non-trivial symbolic constraints, that are no...

Journal: :TPLP 2007
Antonio J. Fernández Maria Teresa Hortalá-González Fernando Sáenz-Pérez Rafael del Vado Vírseda

In this paper, we present our proposal to Constraint Functional Logic Programming over Finite Domains (CFLP (FD) ) with a lazy functional logic programming language which seamlessly embodies finite domain (FD) constraints. This proposal increases the expressiveness and power of constraint logic programming over finite domains (CLP (FD) ) by combining functional and relational notation, curried ...

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