Optical design method for high zoom ratio lens with liquid lens and digital signal processing

2007 ◽  
Author(s):  
Chao-Chang Hu ◽  
Yi C. Fang ◽  
Chen-Mu Tsai ◽  
Han-Ching Lin ◽  
Han-Wei Su ◽  
...  
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Design Method ◽  
Optical Design ◽  
Digital Signal ◽  
Liquid Lens

Application of Z Transform in the Design of One-Dimensional Photonic Crystal

2013 ◽  
Vol 481 ◽  
pp. 225-229
Author(s):  
Juan Zhang ◽  
Wen Peng Fu ◽  
Rong Jun Zhang
Keyword(s):  
Signal Processing ◽  
Photonic Crystal ◽  
Digital Signal Processing ◽  
Design Method ◽  
Structural Parameters ◽  
Digital Signal ◽  
One Dimensional ◽  
Dimensional Photonic Crystal ◽  
Z Domain ◽  
Optical Structure

A method of designing onedimensional photonic crystal is presented from the perspective of Z-domain and digital signal processing. The optical structure and structural parameters for the desired filtering spectrum in reflection can be directly obtained by using the design method. A design example is given in the paper to verify the method.

Application of MATLAB in Digital Signal Processing

2012 ◽  
Vol 490-495 ◽  
pp. 182-185
Author(s):  
Cai Liao ◽  
Yi Mei Song ◽  
Wei Wei Yue ◽  
Dong Bo Zhou ◽  
Dan Ping Liu
Keyword(s):  
Computer Simulation ◽  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Filter ◽  
Design Method ◽  
Digital Signal ◽  
Efficient Design ◽  
Model Approximation ◽  
Design Work ◽  
Approximation Parameter

The digital filter is one of the most significant applications of digital signal processing (DSP). The design process is very complex involving the model approximation, parameter selection, computer simulation and a series of work. This paper introduces an efficient design method for the digital filter (IIR and FIR) based on the Signal Processing Toolbox of MATLAB, which makes design easy, fast and greatly reduces the amount of design work, and then proves it by practical examples.

The NEC μPD7720 Digital Signal Processor — A Laboratory-Based Case Study

1984 ◽  
Vol 21 (1) ◽  
pp. 47-61 ◽  
Author(s):  
Trevor J. Terrell ◽  
Robert J. Simpson
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Digital Filter ◽  
Digital Signal Processor ◽  
Design Method ◽  
Digital Signal ◽  
Single Chip ◽  
Signal Processor

The concepts of single-chip digital signal processing are presented via a student-oriented tutorial/laboratory case study. This involves the design of a highpass digital filter using the first-difference design method and its implementation using the NEC μPD7720 Signal Processor.

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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