Search Results - "Channels"
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Flow characteristics in straight compound channels with vegetation along the main channel
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Handpump with apron channel and fence
Published 2018“…Handpump with apron channel and fence…”
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Handpump with apron channel and fence
Published 2019“…Handpump with apron channel and fence…”
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Analysis of cooling channels performance
Published 2004“…The paper reviews simulated solidification results from a traditional cooling channel design and a conformal cooling channel design. …”
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Polynomial matrix decompositions and semi-blind channel estimation for MIMO frequency-selective channels
Published 2018“…Polynomial eigenvalue decomposition (PEVD) and polynomial QR decomposition (PQRD) are generalisation of eigenvalue decomposition (EVD) and QR decomposition (QRD), and they are suitable for decoupling and precoding of frequencyselective (FS) multiple-input multiple-output (MIMO) channels. Precoding and decoding of communication channels however require reliable estimation of the channel which is normally achieved through use of pilot signals. …”
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Typical apron slab and channel drain
Published 2018“…Typical apron slab and channel drain…”
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Methods for checking the flow in steep channels
Published 2019“…Methods for checking the flow in steep channels…”
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Intake using side channel and screen
Published 2019“…Intake using side channel and screen…”
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Lateral view of sand river channel
Published 2019“…Lateral view of sand river channel…”
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Compressibility and channel formation in sedimenting systems
Published 1997“…Channels in this type of channelling form within a zone which grows and propagates upwards into a suspension. …”
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Turbulent diffusion in channels of complex geometry
Published 2000“…Three dimensional velocities and concentration were measured using 3 component Laser Doppler Velocimetry (LDV) combined with Laser Induced Fluorescence (LIF) from three laboratory flumes: one rectangular simple channel and a deep and a shallow compound channel. …”
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Channel models for underwater acoustic communications
Published 1992“…In the case of an underwater communication channel, these degradations are mainly caused by multipath propagation of the transmitted signal energy, which for the realistic cases of turbulent sea conditions, non-homogeneous media and acoustic scattering will be time-varying in nature. …”
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Channel estimators for HF radio links
Published 1988“…T= FIF modems employing maximum-likelihood detectors at the receiver require accurate knowledge of the SIR of the channel. With this objective in view, the thesis considers a number of channel estimation techniques, using an idealised model of the data transmission system. …”
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Adaptive equalisation of time varying channels
Published 1994“…Traditional attempts to overcome this problem have focused on modelling an assumed underlying dynamics of the channel distortion mechanism. The problem with these structures is that they are not robust in the case where the channel time variations do not match the assumed underlying dynamical model and the algorithms tend to be complex in nature. …”
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The management of weeds in irrigation and drainage channels
Published 1997“…This covers identifying the weeds growing in the channels, considering appropriate control options to provide an acceptable level of service, and drawing up a feasible, costed maintenance programme which can be implemented by the responsible institution. …”
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Reversible trapping of colloids in microgrooved channels by diffusiophoresis
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Handpump in a protected compound with apron and channel
Published 2018“…Handpump in a protected compound with apron and channel…”
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Handpump protected by a fence with apron and channel
Published 2018“…Handpump protected by a fence with apron and channel…”
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A typical apron slab and channel drain
Published 2019“…A typical apron slab and channel drain…”
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A typical apron slab and channel drain
Published 2019“…A typical apron slab and channel drain…”
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Infiltration gallery under the separate channel or pond
Published 2019“…Infiltration gallery under the separate channel or pond…”
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A typical apron slap and channel drain
Published 2019“…A typical apron slap and channel drain…”
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Dynamics of resistive state in thin superconducting channels
Published 2013“…We study theoretically how the dynamics of the resistive state in narrow superconducting channels shunted by an external resistor depends on channel's length L, the applied current j, and parameter u characterizing the penetration depth of the electric field in nonequilibrium superconductors. …”
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CFD modelling of meandering channel during floods
Published 2008“…The three-dimensional Reynolds-averaged Navier–Stokes (RANS) and continuity equations are solved using a standard computational fluid dynamics (CFD) solver to predict flow in a compound meandering channel. High-quality experimental data from the UK Flood Channel Facility (FCF) are used to validate the computational results. …”
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Flow characteristics in compound channels with and without vegetation
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Digital data transmission over voice channels
Published 1982“…The characteristics of these channels are briefly reviewed and a survey of the most important known detection techniques is presented. …”
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Digital data transmission over an HF channel
Published 1996“…The performance of the various systems that employ the above techniques are obtained using the computer simulated model of three types of HF channels. The ionospheric propagation medium, the characteristics of HF channel and the signal distortion introduced by the channel are first described. …”
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Techniques of detection, estimation and coding for fading channels
Published 1989“…A review of the characteristics of HF radio channels is first presented, leading to the development of an appropriate channel model which imposes Rayleigh fading on the transmitted signal. …”
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Joint transceiver design for MIMO channel shortening.
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Channel profiles to reduce sedimentation during low flows
Published 2019“…Channel profiles to reduce sedimentation during low flows…”
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Hydrodynamic well head in a sand river channel
Published 2019“…Hydrodynamic well head in a sand river channel…”
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Locust recognition and detection via aggregate channel features
Published 2019“…To achieve this task, aggregate channel feature (ACF) object detector with parameters optimization is applied to detect locusts. …”
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