Conferences related to Correlators

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2016 IEEE International Ultrasonics Symposium (IUS)

International Symposium dealing with recent developments on ultrasound, including ultrasound imaging, transducers, non destructuve testing and physical acoustics.

  • 2015 IEEE International Ultrasonics Symposium (IUS)

    Annual meeting of the UFFC Society that is being held regularly. It is focusing on ultrasonics.

  • 2013 IEEE International Ultrasonics Symposium (IUS)

    the joint IUS, ISAF, IFC, and EFTF conference is aimed at bringing the ultrasonics, ferroelectrics, Frequency Control and Time Forum communities around the world together more closely and through discussions on recent research and development of fundamentals, materials, devices, and applications .

  • 2012 IEEE International Ultrasonics Symposium

    The conference will bring together the community of ultrasonics around the world in the center of Europe for discussion and cooperation and to stimulate the research and development in the widespread field of ultrasonic theories and applications

  • 2011 IEEE International Ultrasonics Symposium (IUS)

    The Symposium is aimed at bringing the ultrasonics communities around the world together more closely and through discussions on recent research and development of ultrasonics theories and applications.

  • 2010 IEEE Ultrasonics Symposium (IUS)

    The conference will cover all high frequency Ultrasound application including medical.

  • 2009 IEEE International Ultrasonics Symposium

    Conference includes short courses on topics of current interest in ultrasonics. The next three days will include parallel oral and poster sessions covering 1) Medical Ultrasonics, 2) Sensors, NDE & Industrial Applications, 3) Physical Acoustics, 4) Microacoustics SAW, FBAR, MEMS, and 5) Transducers & Transducer Materials.

  • 2008 IEEE Ultrasonics Symposium

  • 2007 IEEE Ultrasonics Symposium

  • 2006 IEEE Ultrasonics Symposium


2012 IEEE International Frequency Control Symposium (FCS)

The 2012 IEEE International Frequency Control Symposium is one of the leading international technical conferences for research, development, and applications of frequency control. Topics include, Materials, Filters, Resonators, MEMS, Oscillators, Synthesizers, Noise, Timekeeping, Optical and Microwave Atomic Standards, Sensors and Transducers.

  • 2011 Joint conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS)

    The 65th consecutive Frequency Control Symposium, one of the leading international technical conferences for research, development, and applications of frequency control. Topics include, Materials, Filters, Resonators, MEMS, Oscillators, Synthesizers, Noise, Timekeeping, Optical and Microwave Atomic Standards, Sensors and Transducers.

  • 2010 IEEE International Frequency Control Symposium (FCS)

    The 64nd consecutive Frequency Control Symposium, one of the leading international technical conferences for research, development, and applications of frequency control. Topics include, Materials, Filters, Resonators, MEMS, Oscillators, Synthesizers, Noise, Timekeeping, Optical and Microwave Atomic Standards, Sensors and Transducers.

  • 2009 Joint Meeting of the European Frequency and Time Forum (EFTF) and the IEEE International Frequency Control Symposium (FCS)

    Authors will be invited to submit papers dealing with recent original work on the following topics: 1. Materials, Filters & Resonators 2. Oscillators, Synthesizers, Noise & Circuit Techniques 3. Microwave Frequency Standards 4. Sensors and Transducers 5. Timekeeping, Time and Frequency Transfer, GNSS and Applications 6. Optical Frequency Standards and Applications

  • 2008 IEEE International Frequency Control Symposium

    The leading international technical conference for research, development and applications of frequency control. Topics include piezoelectric materials; filters and resonators; oscillators; synthesizers; frequency noise phenomena; atomic microwave and optical frequency standards; time scales; frequency and time coordination; applications of frequency control and timing; resonant, BAW and SAW physical and chemical sensors.

  • 2007 Joint Meeting of the European Frequency and Time Forum (EFTF) and the IEEE International Frequency Control Symposium (FCS)

  • 2006 IEEE International Frequency Control Symposium



Periodicals related to Correlators

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Consumer Electronics, IEEE Transactions on

The design and manufacture of consumer electronics products, components, and related activities, particularly those used for entertainment, leisure, and educational purposes


Industrial Electronics, IEEE Transactions on

Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.


Instrumentation and Measurement, IEEE Transactions on

Measurements and instrumentation utilizing electrical and electronic techniques.


Lightwave Technology, Journal of

All aspects of optical guided-wave science, technology, and engineering in the areas of fiber and cable technologies; active and passive guided-wave componentry (light sources, detectors, repeaters, switches, fiber sensors, etc.); integrated optics and optoelectronics; systems and subsystems; new applications; and unique field trials.



Most published Xplore authors for Correlators

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Xplore Articles related to Correlators

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A parallel code acquisition technique for M-ary orthogonal signals in a cellular CDMA system

Hyung-Rae Park IEEE Transactions on Vehicular Technology, 2000

Addressed in this paper is a parallel code acquisition technique for M-ary orthogonal signals in a cellular code division multiple access (CDMA) system where pilot signal or preamble is not available for code acquisition. The proposed code acquisition system consists of parallel M-ary orthogonal demodulators each having M correlators. The system also employs two operating modes, i.e., search and verification ...


Acoustooptic correlation processing in random noise radar

R. M. Narayanan; Wei Zhou; K. H. Wagner; Sangtaek Kim IEEE Geoscience and Remote Sensing Letters, 2004

A new technique has been developed that permits coherent processing of backscatter data acquired by a radar system transmitting ultrawideband (UWB) random noise waveforms and processing the received signals using a heterodyne correlation receiver. This technique has been used in various applications, such as Doppler estimation, polarimetry, interferometry, buried-object detection, synthetic aperture radar (SAR) imaging, inverse SAR (ISAR) imaging, foliage ...


Performance Analysis for Various Structures of Six-Port Phase Correlator Using Hybrid Coupler, Power Divider and Rat-Race Ring Coupler

Jae-du Yu; Young-wan Kim International Symposium on Computer Science and its Applications, 2008

The six-port phase correlator is composed of three 90deg hybrid couplers and a Wilkinsion power divider. In this paper, various six-port phase correlators with Wilkinsion power divider, 90deg hybrid coupler and/or 180deg rat-race ring coupler were designed and simulated at the center frequency of 2.5 GHz. The simulation results show that the six-port correlator structure with one 90deg hybrid coupler, ...


Transmitters separation for single frequency networks

G. Burel; P. Magniez 1999 2nd IEEE Workshop on Signal Processing Advances in Wireless Communications (Cat. No.99EX304), 1999

In a single frequency network (SFN), the signals coming from nearby transmitters are mixed. Since the interfering signals can be seen as (very) long term echoes, an effective method to combat echoes, such as OFDM, is a natural candidate for the SFN. However, although OFDM is a very efficient method, the very long delays that characterise SFN echoes require extremely ...


A new approach to Johnson noise thermometry using a quantum voltage noise source for calibration

S. Nam; S. Benz; P. Dresselhaus; W. L. Tew; D. R. White; J. M. Martinis Conference Digest Conference on Precision Electromagnetic Measurements, 2002

We describe a new approach to Johnson noise thermometry (JNT) that takes advantage of the recent advances in Josephson voltage standards and digital signal processing techniques. Previous attempts at high-precision thermometry using Johnson noise have been limited by the non-ideal performance of the electronic systems. By using the perfect quantization of voltages from the Josephson effect, any arbitrary broadband waveform ...


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Educational Resources on Correlators

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eLearning

A parallel code acquisition technique for M-ary orthogonal signals in a cellular CDMA system

Hyung-Rae Park IEEE Transactions on Vehicular Technology, 2000

Addressed in this paper is a parallel code acquisition technique for M-ary orthogonal signals in a cellular code division multiple access (CDMA) system where pilot signal or preamble is not available for code acquisition. The proposed code acquisition system consists of parallel M-ary orthogonal demodulators each having M correlators. The system also employs two operating modes, i.e., search and verification ...


Acoustooptic correlation processing in random noise radar

R. M. Narayanan; Wei Zhou; K. H. Wagner; Sangtaek Kim IEEE Geoscience and Remote Sensing Letters, 2004

A new technique has been developed that permits coherent processing of backscatter data acquired by a radar system transmitting ultrawideband (UWB) random noise waveforms and processing the received signals using a heterodyne correlation receiver. This technique has been used in various applications, such as Doppler estimation, polarimetry, interferometry, buried-object detection, synthetic aperture radar (SAR) imaging, inverse SAR (ISAR) imaging, foliage ...


Performance Analysis for Various Structures of Six-Port Phase Correlator Using Hybrid Coupler, Power Divider and Rat-Race Ring Coupler

Jae-du Yu; Young-wan Kim International Symposium on Computer Science and its Applications, 2008

The six-port phase correlator is composed of three 90deg hybrid couplers and a Wilkinsion power divider. In this paper, various six-port phase correlators with Wilkinsion power divider, 90deg hybrid coupler and/or 180deg rat-race ring coupler were designed and simulated at the center frequency of 2.5 GHz. The simulation results show that the six-port correlator structure with one 90deg hybrid coupler, ...


Transmitters separation for single frequency networks

G. Burel; P. Magniez 1999 2nd IEEE Workshop on Signal Processing Advances in Wireless Communications (Cat. No.99EX304), 1999

In a single frequency network (SFN), the signals coming from nearby transmitters are mixed. Since the interfering signals can be seen as (very) long term echoes, an effective method to combat echoes, such as OFDM, is a natural candidate for the SFN. However, although OFDM is a very efficient method, the very long delays that characterise SFN echoes require extremely ...


A new approach to Johnson noise thermometry using a quantum voltage noise source for calibration

S. Nam; S. Benz; P. Dresselhaus; W. L. Tew; D. R. White; J. M. Martinis Conference Digest Conference on Precision Electromagnetic Measurements, 2002

We describe a new approach to Johnson noise thermometry (JNT) that takes advantage of the recent advances in Josephson voltage standards and digital signal processing techniques. Previous attempts at high-precision thermometry using Johnson noise have been limited by the non-ideal performance of the electronic systems. By using the perfect quantization of voltages from the Josephson effect, any arbitrary broadband waveform ...


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IEEE-USA E-Books

  • Analog-to-Digital Conversion

    This chapter addresses analog-to-digital conversion (ADC) for two different types of applications. The first application, linear ADC, is traditionally encountered in digital signal processing, where the ADC is configured so that a continuous-time, continuous amplitude waveform reconstructed from the ADC outputs closely matches the ADC input. The second and very different application is a digitizing correlator, where the ADC output is cross- correlated with a digitized signal replica. The chapter first provides an overview of ADC and associated automatic gain control (AGC), defining the conversion process and describing the role of gain control and approaches for implementing it. Next, it reviews traditional guidelines for sampling frequency and quantitation steps used in conventional linear digital signal processing. Then, the chapter introduces the concept of the digitizing correlators, and provides results for ADC design for digitizing correlators.

  • Spread Spectrum Systems

    In spread spectrum systems the transmit signal occupies a wider spectrum than required by the symbol rate. Slow and fast Frequency Hopping (FH) changes the carrier frequencies, and can be used for multiple access in synchronized and unsynchronized systems. In Code Division Multiple Access (CDMA), the data sequences are multiplied by spreading sequences with short chip duration, thus increasing the occupied bandwidth by the ï¿¿ï¿¿ï¿¿spreading factorï¿¿ï¿¿ï¿¿. Spreading sequences with suitable crosscorrelation (and autocorrelation) properties allow separation of users: pseudonoise (PN) sequences like maximum- length (m-) sequences, Gold-, and Kasami-sequences; Walsh-Hadamard codes and Orthogonal Variable Spreading Factor (OVSF) codes. In delay-dispersive channels, Rake receivers consisting of multiple correlators (fingers) collect the energy contained in different multipath components. Synchronization of the receivers to the available signals occurs in two steps: acquisition and tracking. CDMA allows universal frequency reuse (i.e., reuse distance one). Inter-user interference (consisting of intra-cell and inter-cell interference) is noise-like. Randomization of inter-cell interference is effected by multiplying the signals in different cells with different scrambling codes. Power control ensures that no single user provides dominant intra-cell interference (in the uplink). Near the cell edge, soft handover ensures good transmission quality through macrodiversity. Multiuser detection (MUD) is based on exploiting the structure of interference to mitigate its effect on the desired signal. Linear MUDs include decorrelating receivers and MMSE receivers. Nonlinear MUDs include the (optimum) multiuser MLSE as well as successive interference cancellation (SIC) and parallel interference cancellation (PIC). Time hopping impulse radio, mostly used in ultrawideband (UWB) communicat ions, represents each symbol by a sequence of pulses. Transmitted-reference signals allow simple receivers.



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