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检索条件"主题词=Signal processing algorithms"

共 43524 条记录，以下是31-40 订阅

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Reconfigurable data path processor: implementation and application for signal processing algorithms

Reconfigurable data path processor: implementation and appli...

引用

IEEE Digital signal processing Workshop

作者： A. Chavan P.A. Nava J.A. Moya Department of Electrical and Computer Engineering University of Texas El Paso El Paso TX USA

The paper briefly describes reconfigurable architecture classifications and comparisons, as well as an FPGA implementation of a simplified version of the reconfigurable data path processor (RDPP) using Xilinx design tools. The FPGA configured as RDPP can be employed for a wide variety of signal processing applications. That is, the inherent parallel nature of the architecture lends itself to signal processing algorithms, which are discussed. Simulations of operations on the input data stream, which include multiply-and-accumulate (MAC) operations used in filters and matrix manipulation for image processing applications, are presented.

关键词： signal processing algorithms Field programmable gate arrays Reconfigurable architectures Computer applications Hardware Software design Circuit testing Computer architecture Reconfigurable logic Programmable logic devices

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Application of signal processing algorithms in microwave applications

Application of signal processing algorithms in microwave app...

引用

European Conference on Microwave

作者： Tapan K. Sarkar Department of Electrical and Computer Engineering Syracuse University Syracuse NY USA

The objective of the presentation is to illustrate that the principle of analytic continuation can be utilized to interpolate/extrapolate either computational results or measured data in an efficient fashion instead o... 详细信息

关键词： signal processing algorithms Partial differential equations Differential equations Extrapolation Parameter estimation Interpolation Integral equations Boundary value problems Application software Force measurement

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Post-generation of overall execution controller for data centric signal processing algorithms

Post-generation of overall execution controller for data cen...

引用

International Conference on signal processing Proceedings (ICSP)

作者： Sangjin Hong M. Sadasivam Xiaoyao Liang Department of Electrical and Computer Engineering Stony Brook University-SUNY Stony Brook NY USA

This paper presents an execution controller generation methodology for data centric coarse grain data flows. This methodology assumes that processing blocks are designed and their execution characteristics are well defined. The overall controller generation is based on block level pipelining where concurrency among processing blocks is fully maintained. The methodology isolates controls for buffer, global sequencing, and logic such that system integration is simplified while controllers are locally configured from orthogonal global information.

关键词： signal processing algorithms Pipeline processing Centralized control Concurrent computing Control systems Hardware Logic design Design methodology Clocks Reconfigurable logic

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Tina: Acceleration of Non-NN signal processing algorithms Using NN Accelerators

Tina: Acceleration of Non-NN Signal Processing Algorithms Us...

引用

IEEE Workshop on Machine Learning for signal processing

作者： Christiaan Boerkamp Steven Van der Vlugt Zaid Al-Ars Delft University of Technology Delft CD Netherlands ASTRON Dwingeloo PD Netherlands

ISBN: (数字)9798350372250

ISBN: (纸本)9798350372267

This paper introduces TINA, a novel framework for implementing non Neural Network (NN) signal processing algorithms on NN accelerators such as GPUs, TPUs or FPGAs. The key to this approach is the concept of mapping mathematical and logic functions as a series of convolutional and fully connected layers. By mapping functions into such a small sub stack ofNN layers, it becomes possible to execute non-NN algorithms on NN hardware (HW) accelerators efficiently, as well as to ensure the portability of TINA implementations to any platform that supports such NN accelerators. Results show that TINA is highly competitive vs alternative frame-works, specifically for complex functions with iterations. For a Polyphase Filter Bank use case TINA shows GPU speedups of up to 80x vs a CPU baseline with NumPy compared to 8x speedup achieved by alternative frameworks. The frame-work is open source and publicly available at httPs://***/ChristiaanBoe/TINA.

关键词： Machine learning algorithms Limiting Convolution Memory management signal processing algorithms Graphics processing units Artificial neural networks Machine learning Logic functions Linear accelerators

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Analysis of one basic cycle of a class of digital signal processing algorithms

Analysis of one basic cycle of a class of digital signal pro...

引用

IEEE International Conference on Communications (ICC)

作者： P.W. Lee S. Davidovici Department of Electrical and Computer Engineering Rutgers University Piscataway NJ USA

The design and analysis of software which implements digital signal processing (DSP) algorithms on multiprocessor systems is examined. The DSP algorithms that are considered exhibit certain characteristics which are common of DSP algorithms used in communication and control systems. The analysis methods developed use linear complexity algorithms to analyze the software that implements the DSP algorithms. The first step involves finding the repeat factors associated with a basic cycle of the algorithm. Using these repeat factors it is straightforward to (1) find the precedence relationships between tasks and finally a feasible schedule for the multiprocessor, and (2) coordinate and organize the efforts to optimize the software.< >

关键词： signal analysis Digital signal processing signal processing algorithms Algorithm design and analysis Software algorithms Process design signal design Multiprocessing systems Communication system control Control systems

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A design complexity comparison method for loop-based signal processing algorithms: particle filters

A design complexity comparison method for loop-based signal ...

引用

IEEE International Symposium on Circuits and Systems (ISCAS)

作者： Sangjin Hong M. Bolic P.M. Djuric Department of Electrical and Computer Engineering Stony Brook University Stony Brook NY USA

This paper presents a method for evaluating design complexity of a class of algorithms with characteristics that are common for many loop-based signal processing real-time applications. The method is not only used for evaluations, but can also be transformed to the actual implementation. The model transforms the data-flow structure of the algorithms to hierarchical pipelined architecture where control structure derivation is straightforward. The proposed method is used to estimate design complexity of two particle filtering algorithm: the sample importance resampling particle filter (SIRF) and the Gaussian Particle Filter (GPF) applied to the bearings-only tracking problem.

关键词： Design methodology signal design Algorithm design and analysis signal processing algorithms Particle filters Delay Pipeline processing Logic Throughput Filtering

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Integrating novel methodologies, tools, and IT resources for graduate level courses in high performance computing and advanced signal processing algorithms

Integrating novel methodologies, tools, and IT resources for...

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International Conference on Information Technology Based Higher Education and Training, ITHET

作者： D.A. Rodriguez N.G. Santiago Domingo A. Rodriguez Automated Information Processing Group University of Puerto Rico MayagÜez USA Nayda G. Santiago Parallel and Distributed Processing Group University of Puerto Rico MayagÜez USA

This work presents an approach at integrating novel methodologies for teaching graduate level courses in the areas of high performance computing (HPC) and advanced signal processing algorithms (ASPA) for computer engineering and computer science and engineering curricula. The novel teaching methodology presented here in high performance computing centers on the use of innovative empirical methods, i.e., exploratory data analysis, experiment design, etc., for studying computer performance, whereas an operator signal algebra approach is considered a novel methodology for the studying of advanced signal processing algorithms. The work also discusses an on going concerted effort at utilizing common tools and IT resources in both courses to provide students a holistic learning experience.

关键词： High performance computing signal processing algorithms Education Computer science Data analysis signal design Algorithm design and analysis Computer performance signal processing Algebra

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Space-time signal processing algorithms for moving antennas

Space-time signal processing algorithms for moving antennas

引用

OCEANS

作者： I.I. Gorban Institute of Mathematics Machines and Systems National Academy of Sciences of Ukraine Kiev Ukraine

A review of work in the field of space-time signal processing (STSP), which takes into consideration complicated antenna motion, noises, and medium all together, is presented. The works led in three directions. The first one is the development of the theory of STSP for moving antennas, the second one is the development of fast STSP algorithms realized complicated multichannel processing with a few calculating efforts, and the third one is the implementation of the results in sonar. A new approach for optimizing STSP in complicated dynamic conditions is proposed. By using it new STSP algorithms for coherent and stochastic signals are developed. Research of these algorithms shows that in some cases complicated antenna motion plays a great positive role. STSP systems with mobile antennas may have essentially higher space-time selectivity and noise immunity than systems with static antennas. These effects may be used for system improvement. In systems with line arrays they can be used, in particular, for alienating ambiguity in the estimation of signal direction. A series of fast STSP algorithms for different types of moving antennas are developed. The results are obtained both for coherent and for stochastic signals. It is found that in the case of parallel processing in millions of space-time channels the new fast algorithms decrease calculating efforts by a factor of ten times and more. The main positions of the theory are confirmed by experimental research.

关键词： signal processing algorithms Antenna theory Mobile antennas Sonar Stochastic processes Motion estimation signal resolution Stochastic resonance Parallel processing Acoustic noise

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Short-term mobile channel prediction using discrete scatterer propagation model and subspace signal processing algorithms

Short-term mobile channel prediction using discrete scattere...

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IEEE Conference on Vehicular Technology (VTC)

作者： R. Vaughan P. Teal R. Raich Communications Group Industrial Research Limited Lower Hutt New Zealand

The fading envelope encountered in narrowband mobile communications often dominates the impairments to communications usage of the channel. signal processing techniques are extensively used to mitigate the limitations imposed by the fading, and many of the techniques require knowledge of the channel transfer function. The possibility of predicting the changing channel behaviour, in particular the position of the short-term fades, is therefore of interest for the subsequent communications signal processing. Different models of the multipath propagation encourage different algorithms for the model parameter estimation and channel behaviour prediction. These algorithms are reviewed and we present results from simulations showing the performance and limitations of prediction behaviour.

关键词： Scattering signal processing algorithms Predictive models Fading Mobile communication Narrowband signal processing Transfer functions Parameter estimation Prediction algorithms

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Implementation of hearing aid signal processing algorithms on the TI DHP-100 platform

Implementation of hearing aid signal processing algorithms o...

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Asilomar Conference on signals, Systems & Computers

作者： R.D. Chamberlain J.L. Goldstein D. Ivanovich BECS Technology Inc. Saint Louis MI USA BECS Technology Inc. Saint Louis MO USA

While the traditional deployment platform for digital hearing aids has been custom ICs, recent advances in the power efficiency of digital signal processors (DSPs) have generated interest in their use. A primary motivation for this interest is the increased algorithmic flexibility that a DSP provides over a fixed-function IC. The C54xx family of DSPs from Texas Instruments is among the leaders in power efficiency, and TI provides a development platform (the DHP-100) aimed at exploring the hearing aid design space. Here, we report on our experience porting hearing aid signal processing algorithms (J.L. Goldstein, August 2001) to the DHP-100 and report on the resulting performance, both for real-time response and power consumption.

关键词： Auditory system signal processing algorithms Digital signal processing Hearing aids Digital signal processors Power generation signal generators Instruments Algorithm design and analysis Energy consumption

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