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.




Xplore Articles related to Correlators

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DS-SS code acquisition based on simultaneous search and verification

Hyon Sock Chang; Yong Wan Park; Yong Hoon Lee IEEE Transactions on Communications, 2000

A double-dwell acquisition system that can simultaneously operate search and verification processes, by employing two correlation blocks, is proposed. The search block continuously looks for threshold-crossing instants, and at those instants, the verification block is reset and reinitiated. The threshold is time varying and updated depending on the partial correlation. Computer simulation results indicate that the proposed technique can perform ...


Fast start-up equalizer for radio ATM

M. P. Sellars; J. Porter; S. D. Greaves; A. Hopper; W. J. Fitzgerald Communications and Signal Processing, 1998. COMSIG '98. Proceedings of the 1998 South African Symposium on, 1998

High speed TDMA wireless networks (such as radio ATM networks), require high data rate efficiency and fast turnaround times. In dispersive multipath channels, an equalizer is needed to remove ISI from the signal. The equalizer may be trained more quickly if its taps are preloaded with initial values. This paper describes a power ratio approximation method which produces estimates for ...


The BJT-based silicon-retina sensory system for direction- and velocity-selective sensing

Hsin-Chin Jiang; Chung-Yu Wu Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on, 1998

In this paper, a BJT-based silicon-retina sensory system for direction- and velocity-selective sensing is proposed and implemented. This detector can selectively detect the specified direction and speed of moving object image in two dimensions. The basic detection cell consists of one BJT-based silicon retina cell one current-mode edge extractor, two delay paths, and four correlators. The signals which are to ...


A maximum-likelihood technique for preamble search in a CDMA reverse link

Hyung-Rae Park; Bub-Joo Kang; Seung Chan Bang; Youngnam Han 1997 IEEE 47th Vehicular Technology Conference. Technology in Motion, 1997

The performance of a maximum-likelihood code acquisition technique is analyzed for slotted-mode preamble search in a CDMA reverse link. The probabilities of detection, miss, and false alarm are derived analytically for a frequency- selective Rayleigh fading channel by taking into account the fading characteristics of a received signal for both single and dual antenna cases. Numerical examples illustrate the effects ...


An Energy Efficient Sub-Threshold Baseband Processor Architecture for Pulsed Ultra-Wideband Communications

V. Sze; R. Blazquez; M. Bhardwaj; A. Chandrakasan 2006 IEEE International Conference on Acoustics Speech and Signal Processing Proceedings, 2006

This paper describes how parallelism in the digital baseband processor can reduce the energy required to receive ultra-wideband (UWB) packets. The supply voltage of the digital baseband is lowered so that the correlator operates near its minimum energy point resulting in a 68% energy reduction across the entire baseband. This optimum supply voltage occurs below the threshold voltage, placing the ...


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Educational Resources on Correlators

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eLearning

DS-SS code acquisition based on simultaneous search and verification

Hyon Sock Chang; Yong Wan Park; Yong Hoon Lee IEEE Transactions on Communications, 2000

A double-dwell acquisition system that can simultaneously operate search and verification processes, by employing two correlation blocks, is proposed. The search block continuously looks for threshold-crossing instants, and at those instants, the verification block is reset and reinitiated. The threshold is time varying and updated depending on the partial correlation. Computer simulation results indicate that the proposed technique can perform ...


Fast start-up equalizer for radio ATM

M. P. Sellars; J. Porter; S. D. Greaves; A. Hopper; W. J. Fitzgerald Communications and Signal Processing, 1998. COMSIG '98. Proceedings of the 1998 South African Symposium on, 1998

High speed TDMA wireless networks (such as radio ATM networks), require high data rate efficiency and fast turnaround times. In dispersive multipath channels, an equalizer is needed to remove ISI from the signal. The equalizer may be trained more quickly if its taps are preloaded with initial values. This paper describes a power ratio approximation method which produces estimates for ...


The BJT-based silicon-retina sensory system for direction- and velocity-selective sensing

Hsin-Chin Jiang; Chung-Yu Wu Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on, 1998

In this paper, a BJT-based silicon-retina sensory system for direction- and velocity-selective sensing is proposed and implemented. This detector can selectively detect the specified direction and speed of moving object image in two dimensions. The basic detection cell consists of one BJT-based silicon retina cell one current-mode edge extractor, two delay paths, and four correlators. The signals which are to ...


A maximum-likelihood technique for preamble search in a CDMA reverse link

Hyung-Rae Park; Bub-Joo Kang; Seung Chan Bang; Youngnam Han 1997 IEEE 47th Vehicular Technology Conference. Technology in Motion, 1997

The performance of a maximum-likelihood code acquisition technique is analyzed for slotted-mode preamble search in a CDMA reverse link. The probabilities of detection, miss, and false alarm are derived analytically for a frequency- selective Rayleigh fading channel by taking into account the fading characteristics of a received signal for both single and dual antenna cases. Numerical examples illustrate the effects ...


An Energy Efficient Sub-Threshold Baseband Processor Architecture for Pulsed Ultra-Wideband Communications

V. Sze; R. Blazquez; M. Bhardwaj; A. Chandrakasan 2006 IEEE International Conference on Acoustics Speech and Signal Processing Proceedings, 2006

This paper describes how parallelism in the digital baseband processor can reduce the energy required to receive ultra-wideband (UWB) packets. The supply voltage of the digital baseband is lowered so that the correlator operates near its minimum energy point resulting in a 68% energy reduction across the entire baseband. This optimum supply voltage occurs below the threshold voltage, placing the ...


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IEEE.tv Videos

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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.



Standards related to Correlators

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No standards are currently tagged "Correlators"