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检索条件"任意字段=Conference on Advanced Signal Processing Algorithms"

共 3487 条记录，以下是211-220 订阅

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Window design for signal-dependent spectrogram using optimal kernel techniques 6

Window design for signal-dependent spectrogram using optimal...

引用

conference on advanced signal processing algorithms, Architectures, and Implementations VI

作者： Carson, CC Baraniuk, RG UNIV CALIF BERKELEY DEPT ELECT ENGN & COMP SCIBERKELEYCA 94720

ISBN: (纸本)0819422347

Time-frequency distributions (TFDs) have proven useful in a wide variety of nonstationary signal processing applications. While sophisticated optimal bilinear TFDs have been developed to extract the maximum possible time- frequency information from signals, certain applications dictate simpler linear, running-FFT processing techniques. In this paper, we propose a signal-dependent short-time Fourier transform/spectrogram that enjoys many of the advantages of optimal bilinear TFDs yet retains the simplicity and efficiency of running-FFT processing. In addition, we extend the optimal kernel design problem to linear spaces of signals.

关键词： time-frequency analysis spectrogram Wigner distribution optimal kernel design

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The grid Musical-signal processing System 21

The grid Musical-Signal Processing System

引用

21st International Computer Music conference, ICMC 1995

作者： Taylor, J. Schutz, B.F. Department of Physics and Astronomy University of Wales College of Cardiff Po Box 913 CardiffCF2 3YB United Kingdom

This paper introduces an interactive signal-processing environment called grid, grid allows the creation of complex arrays of signal-processing algorithms by simply choosing the desired units from a toolbox and wiring them together, grid's easy-to-use interface enables non-programmers to apply advanced signal-processing algorithms to musical analysis problems. © 1995 International Computer Music conference, ICMC Proceedings. All rights reserved.

关键词： signal processing

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Dominant covering

Dominant covering

引用

conference on advanced signal processing algorithms, Architectures, and Implementations XIV

作者： Kung, HT Suter, BW Harvard Univ Div Engn & Appl Sci Cambridge MA USA USAF Res Lab Ctr Integrated Transmiss & Exploitat Rome NY USA

ISBN: (纸本)0819454974

We consider communications and network systems whose properties are characterized by the gaps of the leading eigenvalues of A(H) A for some matrix A. We show that a sufficient and necessary condition for a large eigen-gap is that A is a "hub" matrix in the sense that it has dominant columns. We describe an application of this dominant covering theory in multiple-input and multiple-output (MIMO) wireless systems.

关键词： signal to noise ratio Telecommunications Antennas Receivers Transmitters Matrices Multiplexing Analytical research Computing systems signal attenuation

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Implementation of a Monophonic Note Tracking Algorithm on Android

Implementation of a Monophonic Note Tracking Algorithm on An...

引用

International conference on advanced Informatics: Concept, Theory and Application (ICAICTA)

作者： Dulimarta, Hans Grand Valley State Univ Sch Comp & Informat Syst Grand Rapids MI 49504 USA

ISBN: (纸本)9781479951000

Pitch tracking algorithms have been proposed in many digital speech processing literature. Among the practical use of pitch tracking are: improved recognition, improved speech synthesis, and semantic disambiguation. A similar problem to pitch tracking when applied to music input signals, is note tracking, i.e. detecting all the notes in the perceived music. The general problem of music recognition seems to be beyond the techniques that have been accomplished by the advances in digital speech processing. A "real music" signal is composed of multiple sound from several instruments, and digitally separating the mix into individual channels/tracks is a hard problem to solve. The algorithm described in this paper assumes that the input signal is produced by a single source and further it focuses on monophonic sound, as opposed to polyphonic sound where two or more notes are played at the same time. The algorithm described below has been implemented on an Android device using proper building blocks (Activity and Service) that comply with the Android design guidelines to achieve the best performance. In addition to the standard Android libraries from the latest Android SDK, the application also relies on a third-party library for digital signal processing routines. The Android implementation of the algorithm has been tested using input sources from human voice and musical instruments. The paper also shows the experimental results of handling these input sources.

关键词： Android (operating system) music software libraries speech recognition speech synthesis Android SDK Android device digital signal processing digital speech processing human voice monophonic note tracking algorithm monophonic sound music recognition music signals musical instruments pitch tracking algorithm polyphonic sound semantic disambiguation standard Android libraries Androids Human voice Humanoid robots Instruments signal processing algorithms Speech Speech recognition Androids Speech recognition Speech synthesis Methyltestosterone Androids Musical instruments Digital signal processing Software libraries signal processing algorithms Humanoid robots Music Speech Speech processing input signal tracking

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Implementation and Analysis of Forward Error Correction Decoding for Cloud-RAN Systems

Implementation and Analysis of Forward Error Correction Deco...

引用

IEEE International conference on Communications (ICC)

作者： Paul, Henning Wuebben, Dirk Rost, Peter Univ Bremen Dept Commun Engn D-28359 Bremen Germany NEC Labs Europe Heidelberg Germany

ISBN: (纸本)9781467363051

In future 5G mobile networks, radio access network functions will be virtualized and implemented on centralized cloud platforms. In principle, this allows for more advanced algorithms of joint processing and offers the ability to balance the computational load. However, the shift of functionality on a cloud-platform also imposes challenges on the design of the applied algorithms. In this paper, we analyse the implementation of forward error correction decoding algorithms on general purpose hardware, which draws the main computational burden of signal processing in the uplink. Although the protocol stack introduces strict timing requirements we demonstrate by numerical results the feasibility of such implementation.

关键词： protocol stack Forward error correction DECODING up link signal processing Wireless networks error correction

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Investigation of signal processing algorithms for an embedded microcontroller-based wearable pulse oximeter

Investigation of signal processing algorithms for an embedde...

引用

28th Annual International conference of the IEEE-Engineering-in-Medicine-and-Biology-Society

作者： Johnston, W. S. Mendelson, Y. Worcester Polytech Inst Dept Biomed Engn Worcester MA 01609 USA

ISBN: (纸本)9781424400324

Despite steady progress in the miniaturization of pulse oximeters over the years, significant challenges remain since advanced signal processing must be implemented efficiently in real-time by a relatively small size wearable device. The goal of this study was to investigate several potential digital signal processing algorithms for computing arterial oxygen saturation (SpO(2)) and heart rate (HR) in a battery-operated wearable reflectance pulse oximeter that is being developed in our laboratory for use by medics and first responders in the field. We found that a differential measurement approach, combined with a low-pass filter (LPF), yielded the most suitable signal processing technique for estimating SpO(2), while a signal derivative approach produced the most accurate HR measurements.

关键词： Digital signal processing

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THE EMBEDDABILITY OF LANE DETECTION algorithms ON HETEROGENEOUS ARCHITECTURES

THE EMBEDDABILITY OF LANE DETECTION ALGORITHMS ON HETEROGENE...

引用

IEEE International conference on Image processing (ICIP)

作者： Saussard, Romain Bouzid, Boubker Vasiliu, Marius Reynaud, Roger Renault SAS Boulogne France Univ Paris 11 Inst Elect Fondamentale Paris France

ISBN: (纸本)9781479983391

Lane detection plays a crucial role for advanced Driver Assitance System (ADAS) or autonomous driving applications. Literature shows a lot of lane detection algorithms can work in real time with good results. However, they require much computer processing and cannot be embedded in a vehicle ECU without deep software optimizations. In this paper, we discuss the embeddability of lane detection algorithms by comparing state-of-the-art algorithms in terms of functional performance and computational timing. We identify what essential parts of lane detection are time consuming, and show these parts can be computed in real time on embedded systems.

关键词： ADAS Lane Detection Embedded processing

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Cooperative algorithms in Adaptive signal processing

Cooperative Algorithms in Adaptive Signal Processing

引用

IEEE Green Energy and Smart Systems conference (IGESSC)

作者： Jalali, Sammuel Calif State Univ Long Beach Long Beach CA 90840 USA

ISBN: (纸本)9781538677414

advanced adaptive signal processing algorithms commonly used in optimization, filtering, and estimation are subjects of seeking innovations and advancements. The important performance factors of algorithms are adaptation or convergence (the probability of, and the speed of), and computational cost (proportional to the algorithm complexity). The improvement in convergence often comes with higher computational needs. In this report we exploit the diversity in algorithms by using cooperative processes. An odd number of cooperative processes running simultaneously participate in a simple majority-vote decision method to improve the convergence speed of the corresponding application. The iterative algorithms concurrently progressing require higher computational resources, however only the most computationally-efficient algorithm remains active after the initial convergence is achieved. Additional technique is essential to synchronize the process delays of participating algorithms.

关键词： Adaptive systems Cooperative algorithms Diversity in algorithm Channel equalization

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Interference suppression in UHF synthetic-aperture radar 2

Interference suppression in UHF synthetic-aperture radar

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conference on algorithms for Synthetic Aperture Radar Imagery II

作者： FERRELL, BH LORAL DEF SYST ARIZONA DIVLITCHFIELD PKAZ 85340

ISBN: (纸本)0819418404

Under advanced Research Prjects Agency (ARPA) sponsorship, Loral Defense Systems, Arizona has developed algorithms and techniques for suppressing radio frequency interference (RFI) in radar signals. These techniques use conventional signal processing elements in an unconventional manner to localize the RFI energy in a domain where it can be easily distinguished from radar returns and removed from the radar data with minimal effect on coherent radar signal image formation processing. Significantly improved synthetic-aperture radar (SAR) images have been obtained using these techniques. Flight tests of a Loral airborne SAR system operating from 500 to 800 MHz have provided the SAR data used to develop and refine these RFI suppression techniques.

关键词： SYNTHETIC-APERTURE RADAR SAR RADIO FREQUENCY INTERFERENCE RFI RADAR signal processing IMAGE FORMATION processing

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Research on Frequency Hopping signal Sparsity and its Rconstruction Performance via Theoretical Analysis and Dictionary Learning 2

Research on Frequency Hopping Signal Sparsity and its Rconst...

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2017 IEEE 第2届先进信息技术,电子与自动化控制国际会议(IAEAC 2017)

作者： Kai Wang Bin Wu Bo Wang Beijing Institute of Tracking and Telecommunication Technology

To solve the problem of high sampling rate and massive data processing brought by high bandwidth in the Aerospace Communication System, researchers proposed compressive sensing theory to deal with wid

ISBN: (纸本)9781467389808

关键词： Dictionaries Matching pursuit algorithms Algorithm design and analysis Time-frequency analysis Approximation algorithms signal processing algorithms Machine learning

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