high-resolution frequency analysis
Noise reduction for periodic signals using high-resolution frequency analysis
... The frequency resolution of the DFT is restricted because it depends on the analytical frame length and the window ...the frequency resolution is low, the noise spectrum can overlap the ...
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High-Resolution Time-Frequency Methods' Performance Analysis
... and resolution are used synonymously in literature whereas for multicomponent signals this is not necessarily the case, and a difference is required to be ...established. High signal concentration is desired ...
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Image Super Resolution Using Wavelet Analysis
... image resolution enhancement technique based on the interpolation of the high frequency sub-bands obtained by DWT, correcting the high frequency sub-band estimation by using SWT ...
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Image Fusion Scheme based on Wavelet Transformation
... to high frequency component of different directions The image fusion realization requests to extract information (details) from each source image and obtains the effective demonstration in the final fusion ...
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Key words
... produce high resolution images, thanks to new technical solutions in image analysis, construction of a high frequency head up to 18 Mhz, or by using second generation ultrasound ...
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Enhanced High-Resolution Imaging through Multiple-Frequency Coarray Augmentation
... order to reduce the crossterm, we must modify the spacing of the array elements. As the targets get closer together, the spacing of the elements must get further apart. However, if such a spacing is chosen, the targets ...
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Research and Comparison of Time-frequency Techniques for Nonstationary Signals
... in frequency domain. The time-frequency techniques may give a comprehensive description of signals in time-frequency ...time-frequency analysis methods, ...a high ...
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Discrete Wavelet Transform Based Feature Extraction and Denoising of Speech Signal
... a high frequency resolution at lower frequencies in order to resolve pitch and forman ...for analysis and synthesis of the original signal, with a significant reduction in the computation ...
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Frequency Stabilized GaP Continuous Wave Terahertz Signal Generator for High Resolution Spectroscopy
... quantitative analysis for organic ...Far-IR frequency range correspond to skeletal modes in molecules or intermolecular modes in ...slight frequency shifts of absorption lines in THz range depen- ...
6
Double-brillouin-frequency spaced multiwavelength fiber laser using high resolution OSA
... Brillouin Scattering (SBS). A tunable laser source (TLS) with the output power of 7.6 dBm at 1550 nm used as the Brillouin pump (BP)is injected into the Erbium-doped Fiber Amplifier (EDFA) to be amplified to an output ...
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Comparison of high-resolution Scheimpflug and high-frequency ultrasound biomicroscopy to anterior-segment OCT corneal thickness measurements
... The HF-UBM pachymetry measurements (9 mm diameter) were obtained and processed using Zeus version 1.0 (Build 11.780) software licensed from Artemis Medical Technologies Inc. During acquisition, the center of rotation of ...
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Lead Acid Battery Analysis using S-Transform
... Fourier analysis, but are more capable to handle some of their commonly associated constrains ...multi resolution frequency. WT measures low frequency component using wider window size, and ...
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Frequency smoothed robust Capon beamformer applied to medical ultrasound imaging
... and frequency compounding (FC) as a further frequency domain ...different frequency images to reduce speckle ...different frequency images are obtained by dividing the spectrum of the original ...
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High-Resolution Mapping and Functional Analysis of se2.1
... Facultative allogamy L. chmielewskii, L. pimpinellifolium Genetic markers: Molecular markers derived from cDNA Obligate allogamy L. chilense, L. peruvianum, L. pennellii, and genomic DNA clones were from the tomato ...
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Resolution Enhancement by Prediction of the High-Frequency Image Based on the Laplacian Pyramid
... method, resolution is improved around the character region and building boundary, whereas unnecessary changes appear in smooth background regions, thus the reconstructed image looks like a noisy ...
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High Resolution and Low Power Frequency Divider by Multi Pre-Scalar
... higher frequency and consumes higher power ...Conventional high speed FF based divide by counter designs use current-mode logic (CML) latches [1] and suffer from the disadvantage of large load ...operating ...
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ULTRA HIGH FREQUENCY BREAST ULTRASOUND: PRELIMINARY RESULTS
... ultra high-resolution transducers with frequencies as ultra high as 50 MHz could become progressively an efficient help to improve the diagnosis of skin thickening or retraction, inflammatory ...
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Mathematical Analysis of the Mirror Inverter based High Frequency Domestic Induction Cooker
... operating frequency and the operating frequency is inversed of operating time ...operating frequency can be changed and thus the heat penetration on cooking pan can be ...
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Resolution Magnification Technique for Satellite Images Using DT- CWT and NLM
... There are two assumptions made by most denosing algorithms about the noisy image. This could result in blurring and loss of fine detail in the denoised image. The first assumption is that the noisy image comprises of ...
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Optical holeburning in colour centres
... The effect of dc electric field on the holeburning spectra is now described. The spectra were taken with the electric field vector of the laser beam both parallel (x) and perpendicular (cr) to the dc electric field ...
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