digital signal processing research papers 2012 section 2

digital signal processing research papers 2012 section 2




The essential digital signal processing in HF radar target detection
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ABSTRACT The moving target detection with HF radar must go through four steps of signal processing, namely pre-processing, range processing, azimuth processing and subsequent processing. Pre-processing is mainly the low-pass filtering and signal sampling. Range

Development of Optical Flow Based Moving Object Detection and Tracking System on an Embedded DSP Processor
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ABSTRACT Moving object detection and tracking has attracted a great interest from computer vision researchers due to its promising applications in areas, like video surveillance, traffic monitoring and image recognition. Moving object detection in digital image sequence

A 1.5 Ghz VLIW DSP CPU with integrated floating point and fixed point instructions in 40 nm CMOS
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Unit (CPU) which has an integrated fixed point and floating point Instruction Set Architecture (ISA) is presented. It is designed to meet a 1.5 GHz core clock frequency in a 40nm process with aggressive area and power goals. In this paper, the benchmarking process and

Demonstration of Joint DSP Receivers for Spatial Superchannels
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ABSTRACT We report lab measurements of joint digital signal processing of simultaneous 112Gbps links in a 7-core fiber. Strongly-correlated phase fluctuations between the cores permit reduced processing complexity with no increase in the bit-error ratio. Index Terms

Detection of objects in moving images and implementation of the purification algorithm on analog CNN and DSP processors
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ABSTRACT CNN Universal Machines that contain two different processors working interactively with each other, have an important impact for image processing applications with their advanced computing features. These processors are named as ACE16k

Recent progress on real-time DSP for direct detection optical OFDM transceivers
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Introduction Optical orthogonal frequency division multiplexing (OFDM) is an attractive candidate for future high capacity optical transmission systems, due to its high spectral efficiency and resilience to fiber dispersion . The continuing growth in digital signal processing (DSP) power,

Proposed long-distance communication in sensor network using weak radio waves and DSP
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ABSTRACT When we try to use a sensor network outdoors, for purposes such as collecting information related to large-scale natural disasters and agricultural applications, it often happens that the communication distance is insufficient. Many sensor network users in

Introduction to TMS320C6000 DSP Optimization
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ABSTRACT The TMS320C6000™ Digital Signal Processors (DSPs) have many architectural advantages that make them ideal for computation-intensive real-time applications. However, to fully leverage the architectural features that C6000™ processors

Digital Subtraction Phonocardiography (DSP) applied to the detection and characterization of heart murmurs
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ABSTRACT Background: During the cardiac cycle, the heart normally produces repeatable physiological sounds. However, under pathologic conditions, such as with heart valve stenosis or a ventricular septal defect, blood flow turbulence leads to the production of

High-speed CMOS DSP and data converters
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? PLL, PPF, Mux PLL, Phase aligner derived from ADC? DAC circuits derived from 14b 12Gs/s DAC? 4 DAC cores in macro, common PLL clocks (same wires)? Each DAC core contains 12 Slices? 3 MSB? 7 Segmented Slices? 5 LSB? 5 Binary Weighted Slices?

Effects of the noradrenergic neurotoxin DSP-4 on the expression of a1-adrenoceptor subtypes after antidepressant treatment
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ABSTRACT We have previously reported that chronic imipramine and electroconvulsive treatments increase the a1A-adrenoceptor (but not the a1B subtype) mRNA level and the receptor density in the rat cerebral cortex. Furthermore, we have also shown that chronic

Efficient FPGA implementation of montgomery multiplier using DSP blocks
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In this paper, an efficient Montgomery modular multiplier is designed exploiting the efficiency of inbuilt multiplier and adder soft-cores of DSP blocks. 256× 256 bit multiplier has been implemented with (i) fully parallel,(ii) pipelined and (iii) semi parallel architectures that

A DSP (TMS320lf2407) based implementation of PWM for single-phase ac-dc bipolar converter with a unity power factor
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ABSTRACT This paper deals with the study and the implementation of a DSP (TMS320LF2407) controlled single-phase AC/DC converter using PWM strategy, including sinusoidal triangular strategy (SPWM). After the description of its functioning principles, its

Development of DSP Based Instrument for Monitoring PLC and Other High Frequency Signals in Distribution Networks
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ABSTRACT Concerns in identifying and diagnosing power quality related disturbances in power line communication (PLC) network has enforced special requirement for power quality monitoring equipment and creates a need for sophisticated software to analyze the

Efficient Retiming of Multi-rate DSP Algorithms
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ABSTRACT Multi-rate digital signal processing (DSP) algo-rithms are often modeled with synchronous dataflow graphs (SDFGs). A lower iteration period implies a faster execution of a DSP algorithm. Retiming is a simple but efficient graph transformation technique for

Robot Hybrid Architecture Based on Parallel Processing of Multi-DSP
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This paper proposed a new robot hybrid architecture based on that multi-DSP system. In the system, cooperation-planning layer undertakes the parallel processing, which combine different system structure adopted in different periods for development of robot,

Modular, uncooled video engines based on a DSP processor
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ABSTRACT The market demand for low SWaP (Size, Weight and Power) uncooled engines keeps growing. Low SWaP is especially critical in battery-operated applications such as goggles and Thermal Weapon Sights. A new approach for the design of the engines was

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