Illustration of decimation in digital signal processing (DSP) systems using matlab

2010 ◽  
Vol 5 (2) ◽  
Author(s):  
M Ndinechi ◽  
N Onwuchekwa
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Signal ◽  
Dsp Systems

scholarly journals A Novel DSP Accelerator using Carry Look-Ahead Concept

2019 ◽  
Vol 9 (1) ◽  
pp. 4269-4272
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Signal ◽  
Past Work ◽  
The Past ◽  
Course Of Action ◽  
Look Ahead ◽  
Dsp Systems

Hardware expanding velocity is a completed technique for digital signal processing (DSP) systems. The stimulated system uses extra computational unit gave to specific limits, for instance, planned method of reasoning, extra CPU and reviving operators' structure structures are related to execution examination booking and portion, hardware and programming co plans are done by joint gear and programming building. As opposed to grasping a strong application-express joined circuit setup. It is a new animating operator designing with versatile computational units that help the execution of a huge course of action formats seen in the DSP parts. It is isolated from past tackles versatile reviving operators by enabling estimations to be mightily perform with pass on lookahead tree. The preliminary evaluations exhibit that the proposed stimulating specialist configuration passes on reduction in delay and in essentialness usage differentiated and the past work is illustrated.

scholarly journals Introduction to the Special Issue on Digital Signal Processing in Radio Astronomy

2016 ◽  
Vol 05 (04) ◽  
pp. 1602002 ◽  
Author(s):  
D. C. Price ◽  
J. Kocz ◽  
M. Bailes ◽  
L. J. Greenhill
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Radio Astronomy ◽  
Graphics Processing Units ◽  
High Speed ◽  
High Performance ◽  
Digital Signal ◽  
General Purpose ◽  
Special Issue ◽  
Dsp Systems

Advances in astronomy are intimately linked to advances in digital signal processing (DSP). This special issue is focused upon advances in DSP within radio astronomy. The trend within that community is to use off-the-shelf digital hardware where possible and leverage advances in high performance computing. In particular, graphics processing units (GPUs) and field programmable gate arrays (FPGAs) are being used in place of application-specific circuits (ASICs); high-speed Ethernet and Infiniband are being used for interconnect in place of custom backplanes. Further, to lower hurdles in digital engineering, communities have designed and released general-purpose FPGA-based DSP systems, such as the CASPER ROACH board, ASTRON Uniboard, and CSIRO Redback board. In this introductory paper, we give a brief historical overview, a summary of recent trends, and provide an outlook on future directions.

Research on DSP Embedded Digital Signal Processing System for Ship Navigation Radar

2014 ◽  
Vol 556-562 ◽  
pp. 4718-4721
Author(s):  
Shu Zhang Deng
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Signal Processor ◽  
Processing System ◽  
Digital Signal ◽  
Radar System ◽  
Signal Processing System ◽  
Software Algorithms ◽  
Processing Module ◽  
Dsp Systems

Development of digital signal processing and embedded technologies today, to the development of radar technology has brought new opportunities. Relative to the simulation of radar, digital radar has good performance, features, ease of operation, and other benefits. Design based on embedded processor and digital signal processor (DSP) dual processor shipboard navigation radar system, and focuses on digital shipborne navigational radar system architecture, hardware design and software algorithms for digital signal processing module, gives the overall scheme for DSP systems.

Method of estimation of hidden correlation of narrowband noise signals

2019 ◽  
pp. 34-39 ◽  
Author(s):  
E.I. Chernov ◽  
N.E. Sobolev ◽  
A.A. Bondarchuk ◽  
L.E. Aristarhova
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
New Technology ◽  
Digital Signal ◽  
Measuring Instruments ◽  
Central Frequency ◽  
Pearson Criterion ◽  
Useful Signal ◽  
Band Limited ◽  
Narrowband Noise

The concept of hidden correlation of noise signals is introduced. The existence of a hidden correlation between narrowband noise signals isolated simultaneously from broadband band-limited noise is theoretically proved. A method for estimating the latent correlation of narrowband noise signals has been developed and experimentally investigated. As a result of the experiment, where a time frag ent of band-limited noise, the basis of which is shot noise, is used as the studied signal, it is established: when applying the Pearson criterion, there is practically no correlation between the signal at the Central frequency and the sum of signals at mirror frequencies; when applying the proposed method for the analysis of the same signals, a strong hidden correlation is found. The proposed method is useful for researchers, engineers and metrologists engaged in digital signal processing, as well as developers of measuring instruments using a new technology for isolating a useful signal from noise – the method of mirror noise images.

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