Delta modulation
10,027 resources related to Delta modulation
IEEE Organizations related to Delta modulation
Back to TopConferences related to Delta modulation
Back to Top2013 9th International Conference on Information, Communications & Signal Processing (ICICS)
The conference provides an opportunity for researchers around the world to exchange ideas and latest research results in areas such as multimedia systems, information systems, signal processing, communications, networking and related fields.
2008 IEEE Power Electronics Specialists Conference  PESC 2008
Periodicals related to Delta modulation
Back to TopConsumer 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
Display Technology, Journal of
This publication covers the theory, design, fabrication, manufacturing and application of information displays and aspects of display technology that emphasize the progress in device engineering, device design, materials, electronics, physics and reliabilityaspects of displays and the application of displays.
Electron Devices, IEEE Transactions on
Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solidstate devices, integrated electronic devices, energy sources, power devices, displays, sensors, electromechanical devices, quantum devices and electron tubes.
Industrial Electronics, IEEE Transactions on
Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, highpower controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.
Industry Applications, IEEE Transactions on
The development and application of electric systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; the encouragement of energy conservation; the creation of voluntary engineering standards and recommended practices.
Xplore Articles related to Delta modulation
Back to TopDistributed algorithms for biobjective assignment problems
Chendong Li; Chulwoo Park; Krishna R. Pattipati; David L. Kleinman 2011 50th IEEE Conference on Decision and Control and European Control Conference, 2011
In this paper, we study the biobjective assignment problem, a NPhard version of the classical assignment problem. We employ an effective twophase method with certain enhancements: in Phase I, we use a distributed auction algorithm to solve the single objective assignment problems to obtain the socalled supported Pareto optimal solutions; we apply a ranking approach with tight upper/lower bounds in ...
A high efficiency 0.5W BTL classD audio amplifier with RWDM technique
S. C. Li; Vincent ChiaChang Lin ASPDAC 2004: Asia and South Pacific Design Automation Conference 2004 (IEEE Cat. No.04EX753), 2004
None
KahHowe Tan; Wen Fung Leong; K. Kaluri; M. A. Soderstrand; L. G. Johnson Conference Record of ThirtyFifth Asilomar Conference on Signals, Systems and Computers (Cat.No.01CH37256), 2001
The standard FIR filter design approach which uses ideal filter coefficients determined by a filter design algorithm such as remez exchange, windowing, or similar techniques, rounding or truncating the ideal coefficients to a specific number of bits and realizing the digital filter using one of the standard FIR filter structures generates filters with considerably more hardware than is required to ...
Dynamic loadbalanced manycasting over optical burstswitched (OBS) networks
Rajesh R. C. Bikram; Vinod M. Vokkarane 2009 Conference on Optical Fiber Communication  incudes post deadline papers, 2009
Dataloss in opticalburstswitched networks primarily occur due to contention of bursts at core nodes. We propose two dynamic congestionbased loadbalanced manycastrouting techniques, namely loadbalanced SPT and loadbalanced DM that significantly improve blockingprobability and endtoend delay.
Multiprocessor EDF and deadline monotonic schedulability analysis
T. P. Baker RTSS 2003. 24th IEEE RealTime Systems Symposium, 2003, 2003
Schedulability tests are presented for preemptive earlierdeadlinefirst and deadlinemonotonic scheduling of periodic or sporadic realtime tasks on a singlequeue mserver system, in which the deadline of a task may be less than or equal to the task period. These results subsume and generalize several known utilizationbased multiprocessor schedulability tests, and are derived via an independent proof.
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Educational Resources on Delta modulation
Back to TopeLearning
Distributed algorithms for biobjective assignment problems
Chendong Li; Chulwoo Park; Krishna R. Pattipati; David L. Kleinman 2011 50th IEEE Conference on Decision and Control and European Control Conference, 2011
In this paper, we study the biobjective assignment problem, a NPhard version of the classical assignment problem. We employ an effective twophase method with certain enhancements: in Phase I, we use a distributed auction algorithm to solve the single objective assignment problems to obtain the socalled supported Pareto optimal solutions; we apply a ranking approach with tight upper/lower bounds in ...
A high efficiency 0.5W BTL classD audio amplifier with RWDM technique
S. C. Li; Vincent ChiaChang Lin ASPDAC 2004: Asia and South Pacific Design Automation Conference 2004 (IEEE Cat. No.04EX753), 2004
None
KahHowe Tan; Wen Fung Leong; K. Kaluri; M. A. Soderstrand; L. G. Johnson Conference Record of ThirtyFifth Asilomar Conference on Signals, Systems and Computers (Cat.No.01CH37256), 2001
The standard FIR filter design approach which uses ideal filter coefficients determined by a filter design algorithm such as remez exchange, windowing, or similar techniques, rounding or truncating the ideal coefficients to a specific number of bits and realizing the digital filter using one of the standard FIR filter structures generates filters with considerably more hardware than is required to ...
Dynamic loadbalanced manycasting over optical burstswitched (OBS) networks
Rajesh R. C. Bikram; Vinod M. Vokkarane 2009 Conference on Optical Fiber Communication  incudes post deadline papers, 2009
Dataloss in opticalburstswitched networks primarily occur due to contention of bursts at core nodes. We propose two dynamic congestionbased loadbalanced manycastrouting techniques, namely loadbalanced SPT and loadbalanced DM that significantly improve blockingprobability and endtoend delay.
Multiprocessor EDF and deadline monotonic schedulability analysis
T. P. Baker RTSS 2003. 24th IEEE RealTime Systems Symposium, 2003, 2003
Schedulability tests are presented for preemptive earlierdeadlinefirst and deadlinemonotonic scheduling of periodic or sporadic realtime tasks on a singlequeue mserver system, in which the deadline of a task may be less than or equal to the task period. These results subsume and generalize several known utilizationbased multiprocessor schedulability tests, and are derived via an independent proof.
More eLearning Resources
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IEEEUSA EBooks

Fully Controlled ThreePhase Bridge Converters
This chapter discusses the operation of a three‐phase fully controlled bridge converter. It is shown that by suitable control, this device can be used to achieve either a three‐phase controllable voltage source or a three‐phase controllable current source. The chapter presents a refinement of six‐step operation. In particular, one of several pulse‐width modulation (PWM) control strategies that allows the amplitude of the fundamental component of the voltage to be readily controlled is discussed. Six‐step modulation, extended sine‐triangle modulation, and space‐vector modulation are all voltage‐source modulation schemes. The chapter explains usage of these schemes to develop an open‐loop voltage‐regulated converter. Hysteresis modulation and delta modulation are both current source‐based schemes. These are used as the basis of developing an open‐loop current‐regulated converter. Finally, the chapter focuses on closed‐loop methods of regulating q‐ and d‐axis voltages and currents.

Fully Controlled 3Phase Bridge Converters
This chapter contains sections titled: Introduction The 3Phase Bridge Converter 180Â° Voltage Source Operation PulseWidth Modulation SineTriangle Modulation ThirdHarmonic Injection SpaceVector Modulation Hysteresis Modulation Delta Modulation OpenLoop Voltage and Current Control ClosedLoop Voltage and Current Controls References Problems

A Novel Architecture Design for VLSI Implementation of an FIR Decimation Filter
A novel architecture design of a one stage FIR filter for decimation is described. It performs the decimation of a 1bit code at 1024KHz of double integration Sigma Delta modulation output to PCM at 16KHz. This architecture is designed in such a way that it needs only a simple control structure suitable for VLSI implementation. We devised an algorithm for generating the coefficients of the filter with a minimum of required hardware. It does not require storing the coefficients in a ROM and continuously reading it to calculate the convolution. The accumulators needed to perform the direct convolution are arranged in a way that simplifies and minimizes the hardware required for the filter implementation. The filter response is Sinc3(f) which provides sufficient attenuation for modulation generated by means of double integration. The implementation of this filter requires the generation of the coefficients and the performance of the convolution. Three coefficients are needed with every input to obtain the output sequence. The major feature of this architecture is the use of an efficient algorithm to obtain the coefficients thereby reducing the area and power consumption. It is very suitable for VLSI implementation in CMOS technology.

A Use of Double Integration in Sigma Delta Modulation
Sigma delta modulation is viewed as a technique that employs integration and feedback to move quantization noise out of baseband. This technique may he iterated by placing feedback loop around feedback loop, but when three or more loops are used the circuit can latch into undesirable overloading modes. In the desired mode, a simple linear theory gives a good description of the modulation even when the quantization has only two levels. A modulator that employs double integration and twolevel quantization is easy to implement and is tolerant of parameter variation. At sampling rates of 1 MHz it provides resolution equivalent to 16 bit PCM for voiceband signals. Digital filters that are suitable for converting the modulation to PCM are also described.

Multirate Filter Designs Using Comb Filters
Decimation is an important component of oversampled analogtodlgital conversion. It transforms the digitally modulated signal from short words occurring at high sampling rate to longer words at the Nyquist rate. Here we are concerned with the initial stage of decimation, where the word rate decreases to about four times the Nyquist rate. We show that digital filters comprising cascades of integrateanddump functions can match the structure of the noise from sigma delta modulation to provide decimation with negligible loss of signaltonoise ratio. Explicit formulas evaluate particular tradeoffs between modulation rate, signaltonoise ratio, length of digital words, and complexity of the modulating and decimating functions.

Uniform qunntizers play a fundamental role in digital communication systems and have been the subject of extensive study for many decades, The inherent nonlinearity of quantizers makes their analysis hoth difficult and Interesting, It usually has been accomplished either by assuming the quantizer noise to be a signalindependent, uniform white random process or by replacing the quantizer by a deterministic linear device, or by combining the two assumptions. Such linearizing approximations simplify the analysis and permit the use of linear systems techniques, but few results exist quantifying how good such approximations are for specific systems, These complications are magnified when the quantizer is inside a feedback loop, as for SigmaDelta modulators. Exact descriptions of the moments and spectra of quantizer noise have been developed recently for the special case of singleloop, multistage and multiloop SignulDelta modulators. These results demonstrate. that the white noise and linearization assumptions can be quite poor approximations in some systems and quite good in others. It turns out that many of the techniques used in the analysis were first applied to the analysis of quantizers by Clavier, Panter, and Grieg (1947) in pioneering (but often overlooked) work that preceded Bennett's (1948) classic study of quantization noise spectra. We take advantage of the benefit of hindsight to develop several results describing the behavior of quantization noise in a unified and simplified manner. Exact formulas for quantizer noise spectra are developed and applied to a variety of systems and inputs, including scalar quantization (PCM), dithered PCM, SigmaDelta modulation, dithered SigmaDelta modulation, twostage SigmaDelta modulation, and secondorder SigmaDelta modulation.

An Approach to the Implementation of Digital Filters
An approach to the implementation of digital filters is presented that employs a small set of relatively simple digital circuits in a highly regular and modular configuration, well suited to LSI construction. Using parallel processing and serial, two'scomplement arithmetic, the required arithmetic circuits (adders and multipliers ) are quite simple, as are the remaining circuits, which consist of shift registers for delay and small readonly memories for coefficient storage. The arithmetic circuits are readily multiplexed to process multiple data inputs or to effect multiple, but different, filters (or both), thus providing for efficient hardware utilization. Up to 100 filter sections can be multiplexed in audiofrequency applications using presently available digital circuits in the mediumspeed range. The filters are also easily modified to realize a wide range of filter forms, transfer functions, multiplexing schemes, and roundoff noise levels by changing only the contents of the readonly memory and/or the timing signals and the length of the shiftregister delays. A simple analogtodigital converter, which uses delta modulation as an intermediate encoding process is also presented for audiofrequency applications.

Constraints Analysis for Oversampling AtoD Converter Structures on VLSl Implementation
Requirements, applied to analog components and characteristics for oversampling AtoD converter structures with second order loop transfer function, were analyzed through numerical and mathematical analyses. The results suggest that a first order predictive encoder, with first order noise shaping, is best suited to high resolution future VLSl implementation. It is most difficult to achieve a theoretical second order Â¿Â¿ modulation signal tonoise ratio, because of the amplifier performance requirements. The operational amplifier gain should only be greater than kR/n, as long as the amplifier response is linear, where R is the oversampling ratio, Â¿ is the angular stop band frequency and k is a. parameter depending on structures and integrator circuit configuration, if a switched capacitor integrator is employed in a noise shaping technology. A second order delta modulation coder does not seem to be applicable to a precision converter, but to a high speed converter instead.

This chapter contains sections titled: A SelfCalibrating 15 Bit CMOS A/D Converter A RatioIndependent Algorithmic AnalogtoDigital Conversion Technique A PerChannel A/D Converter Having 15Segment Âµ255 Companding A Use of Double Integration in Sigma Delta Modulation MOS ADCFilter Combination That Does Not Require Precision Analog Components A Voiceband 15b Interpolative Converter Chip Set A 12bit SigmaDelta AnalogtoDigital Converter with a 15MHz Clock Rate An 8bit HighSpeed CMOS A/D Converter An 8MHz CMOS Subranging 8Bit A/D Converter A Pipelined 5Msample/s 9bit AnalogtoDigital Converter

Oversampled SigmaDelta Modulation
Oversampled sigmadelta modulation has been proposed as a practical implementation for high rate analogtodigital conversion because of its simplicity and its robustness against circuit imperfections. To date, mathematical developments of the basic properties of such systems have been based either on simplified continuoustime approximate models or on linearized discretetime models where the quantizer is replaced by an additive white uniform noise source. In this paper. we rigorously derive several basic properties of a simple discretetime single integrator loop sigmadelta modulator with an accumulateanddump demodulator. The derivation does not require any assumptions on the correlation or distribution of the quantizer error, and hence involves no linearization of the nonlinear system, but it does show that when the input is constant, the state sequence of the integrator in the encoder loop can be modeled exactly as a linear system in an appropriate space. Two basic properties are developed: 1) the behavior of the sigmadelta quantizer when driven by a constant input and its relation to uniform quantization, and 2) the ratedistortion tradeoffs between the oversampling ratio and the average meansquared quantization error.
Standards related to Delta modulation
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