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检索条件"主题词=modulation coding"
7024 条 记 录,以下是4751-4760 订阅
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Robust method for optimal PWM harmonic elimination based on the Chebyshev functions
Robust method for optimal PWM harmonic elimination based on ...
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International Conference on Harmonics and Quality of Power
作者: R. Pindado C. Jaen J. Pou Department of Electronic Engineering Universitat Poliltècnica de Catalunya Barcelona Spain
A new procedure is presented, applied to single-phase DC-AC power converters with bipolar output, in order to perform a programmed harmonic elimination using a previous calculation of notch angles. The method is based... 详细信息
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Neural networks and semi-closed-loop predictive vector quantization for image compression
Neural networks and semi-closed-loop predictive vector quant...
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IEEE International Conference on Image Processing
作者: R. Cierniak L. Rutkowski Institute of Electronics and Control Systems Technical University of Czestochowa Poland
A new algorithm for image compression, named predictive vector quantization (PVQ), is developed based on competitive neural networks and optimal linear predictors. The semi-closed-loop PVQ methodology is suggested. Th... 详细信息
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Layered space-frequency bit-interleaved coded modulation for MIMO systems
Layered space-frequency bit-interleaved coded modulation for...
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IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
作者: M.R. Mckay I.B. Collings Telecommunications Laboratory Sch. of Elec. and Info. Engineering University of Sydney Australia ICT Centre CSIRO Australia
We consider a layered space-frequency (LSF) extension to bit-interleaved coded modulation (BICM) for MIMO-OFDM systems. We derive tight analytical bounds for the coded BER when using zero-forcing (ZF) detectors. The a... 详细信息
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An adaptive spread spectrum correlation receiver
An adaptive spread spectrum correlation receiver
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IEEE Conference on Decision and Control
作者: John J. Patti Allan W. Roeder DCID Rome Air Development Center Rome NY USA Aircraft Equipment Division General Electric Company Limited Utica NY USA
The optimum adaptive receiver for the line of sight microwave transmission channel is developed assuming that the channel consists of a purely multipath structure yielding signals received at various delays, and that ... 详细信息
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Wideband frequency excursions in computed AM-FM image models
Wideband frequency excursions in computed AM-FM image models
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IEEE Southwest Symposium on Image Analysis and Interpretation
作者: J.P. Havlicek D.S. Harding N.D. Mamuya A.C. Bovik Sch. of Electr. Eng. & Comput. Sci. Oklahoma Univ. Norman OK USA Center for Vision and Image Sciences University of Technology Austin TX USA School of Electrical & Computer Eng. University of Oklahama Norman OK USA
We examine two paradigms for computing multicomponent AM-FM image models. In channelized components analysis, estimates for one AM-FM component are extracted from each channel of a multiband filterbank. Tracked multi-... 详细信息
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Iterative Partial PIC for Convolutionally Coded Multi-Carrier DS-CDMA
Iterative Partial PIC for Convolutionally Coded Multi-Carrie...
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International Conference on Computational Intelligence and Software Engineering (CiSE)
作者: Guoxiong Xu Quanhang Liu Sch. of Electron. Inf. Zhongyuan Univ. of Technol. Zhengzhou China
In this paper, we consider convolutionally coded multi-carrier DS-CDMA and propose turbo partial parallel interference cancellation (PPIC) and decoding, which is termed turbo PPIC/decoding. We make analysis and simula... 详细信息
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Multilevel transmission scheme in single frequency networks
Multilevel transmission scheme in single frequency networks
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Asia-Pacific Conference on Microwave
作者: Xiang-Tao Sun Ke Gong Department of Electronic Engineering State Key Laboratory on Microwave and Digital Communications Tsinghua University Beijing China
This paper tries to develop a multilevel transmission scheme for broadcasting data in wireless digital communication systems, which will allow users to have different data receiving rate according to the channel quali... 详细信息
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P5B-13 Improved Ultrasound Contrast Agent Detection in a Clinical Setting
P5B-13 Improved Ultrasound Contrast Agent Detection in a Cli...
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IEEE Symposium (IUS) Ultrasonics
作者: M. Emmer G. Matte P. van Neer A. van Wamel N. de Jong Biomedical Engineering Thorax Centre Erasmus Medical Center Rotterdam Rotterdam Netherlands Foundation for Fundamental Research on Matter Utrecht Netherlands Inter university Cardiology Institute of the Netherlands Utrecht Netherlands Physics of Fluids University of Twente Enschede Netherlands
Optical studies have shown threshold behaviour of phospholipid-coated contrast agent microbubbles. Below the acoustic pressure threshold, phospholipid-coated microbubbles oscillate significantly less than above the th... 详细信息
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Turbo trellis coded modulation for fading channels
Turbo trellis coded modulation for fading channels
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IEEE Conference on Vehicular Technology (VTC)
作者: J. Yuan W. Feng B. Vucetic School of Electrical and Information Engineering University of Sydney Sydney NSW Australia
The paper presents new power and bandwidth efficient coding schemes that combine turbo codes with M-QAM modulation for fading channels. In the encoder, each group of information bits is associated with its parity chec... 详细信息
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modulation-mode and power assignment for MIMO-BICM schemes
Modulation-mode and power assignment for MIMO-BICM schemes
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ITG Workshop on Smart Antennas
作者: Andreas Ahrens Volker Kuhn Institute of Communications University of Rostock Rostock Germany
In this contribution we jointly optimize the number of activated MIMO layers and the number of bits per symbol along with the appropriate allocation of the transmit power under the constraint of a given fixed data thr... 详细信息
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