Results 21 to 30 of about 7,675,652 (304)
Sensors, 2013 The Chinese BeiDou system (BDS), having different types of satellites, is an important addition to the ever growing system of Global Navigation Satellite Systems (GNSS).
Noor Raziq +2 more
doaj +1 more source
TYPES OF RECEIVED PRONUNCIATION
, 2022 The accent that is historically considered as the most respectable and standard type of spoken British English is called Received Pronunciation (RP). This article entails the definition of RP, whether it is geographically neutral, the number of speakers, whether sub-varieties exist, how appropriate a choice it is as a standard, and how the accent has ...
openaire +2 more sources
Effect of One-Target Focus Type on Hydrodynamic Characteristics of Tower Solar Cavity Receiver
Advances in Mechanical Engineering, 2014 On account of one-target focus type of the heliostats in the tower solar power technology, the heat transfer was analyzed for the vapor-liquid two-phase or single-phase superheated steam in the parallel heated panel bundles of the solar cavity receiver ...
Yun Hao +3 more
doaj +1 more source
Receiver alignment dependence of a GA controlled optical wireless transmitter [PDF]
, 2009 A genetic algorithm controlled multispot transmitter is demonstrated to be capable of optimizing the received power distribution for single element receivers in fully diffuse mobile indoor optical wireless systems.
Leeson, Mark S. +2 more
core +1 more source
Hardware-Based Architecture for DNN Wireless Communication Models
Sensors, 2023 Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO OFDM) is a key technology for wireless communication systems. However, because of the problem of a high peak-to-average power ratio (PAPR), OFDM symbols can be distorted at ...
Van Duy Tran +2 more
doaj +1 more source
Receiver-operating characteristic (ROC) curve for median apparent diffusion coefficient.
, 2023 Receiver-operating characteristic (ROC) curve for median apparent diffusion coefficient.
Takahiro Sueoka (14992628) +9 more
core +1 more source
Modeling and Simulation of an Absorption Solar Cooling System Under Iraqi Weather Conditions [PDF]
Engineering and Technology Journal, 2017 This work aims to model and simulate an absorption cooling system using solar flat- plate receiver with water lithium bromide (li.Br-H2O) mixture as a working fluid, and to select the optimum type for absorption cooling system, which have suitable ...
H.A. Hussein
doaj +1 more source
Performance Estimation and Selection Guideline of SiPM Chip within SiPM-Based OFDM-OWC System
Photonics, 2022 The orthogonal frequency division multiplexing (OFDM), which has high spectral efficiency, is an attractive solution for silicon photomultiplier (SiPM)-based optical wireless communication (OWC) systems to boost data rates.
Long Zhang +5 more
doaj +1 more source
Dual-Band Direct Conversion Receiver With Additive Mixing Architecture
IEEE Access, 2022 A dual-band direct conversion receiver based on additive mixing architecture for low-cost and multi-mode wireless communication systems is proposed. The proposed receiver consists of two active four-port junctions for additive mixing and one-stage dual ...
Seong-Mo Moon, Han Lim Lee
doaj +1 more source
A software defined radio receiver test-bed [PDF]
, 2001 This paper identifies the issues that are important in the design of a SDR receiver. Receiver architectures are first discussed, and the conclusion drawn that the conventional superheterodyne structure is most appropriate for a SDR receiver.
Macleod, JR +3 more
core +1 more source