Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 323 for “"cross correlation"”.
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Neural cross-correlation for radio astronomy
Correlation engines are essential elements of most signal processing systems. Areas of applicability include image processing, speech synthesis and analysis, high energy physics, wireless and mobile communication systems, spread spectrum communication systems and even prosthetics. Finding cost …
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Neuromorphic cross correlation of digital spreading codes
… which can be used as an alternative for a cross correlation engine. Cross correlation engines are widely used in spread spectrum, wireless communication systems that use digital spreading codes to divide a single communication medium into separate channels. This technology is used in many …
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Application of Cross-Correlation Techniques to Linear Antenna Arrays
Made available in DSpace on 2014-12-04T21:03:39Z (GMT). No. of bitstreams: 1 6402922.pdf: 3936007 bytes, checksum: 688b9a1419d0f515f0455a566cec6588 (MD5) Previous issue date: 1963
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Single Molecule Ligand Binding Studies on CCR5 by Fluorescence Cross-Correlation Spectroscopy
… this issue, we have employed fluorescence cross-correlation spectroscopy (FCCS) to determine equilibrium dissociation and inhibition constants for the RANTES analogues binding to CCR5. We developed a tandem affinity purification protocol to purify full-length, monomeric CCR5 from receptor …
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Improved successive interference cancellation schemes using selective pre-cancellation and cross- correlation
… We propose an alternate implementation called cross-correlation implementation (CCI) that can be applied to any IC scheme to reduce the processing time up to 66%. When applied to more complicated schemes, it reduces the computation complexity up to 85%. We also propose an improved successive …
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Delineating contributing areas for karst springs using NEXRAD data and cross-correlation analysis
The use of cross-correlation analysis on spring discharge and precipitation data in karst aquifer basins has been used for many years to develop a conceptual understanding of an aquifer and estimate aquifer properties. However, to this point, the application of these processes has relied on gaged …
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Cross-talk-free dual-color fluorescence cross-correlation spectroscopy for high-throughtput screening
… 810 nm). The system provided negligible color cross-talk (cross-excitation and/or cross-emission) and/or fluorescence resonance energy transfer (FRET). To provide evidence of cross-talk free operation, the system was evaluated using microspheres and quantum dots. Experimental results indicated …
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Effects of Cross-Correlation Interference on an Optical Code Division Multiple Access Communication System
The effects of cross-correlation interference and intensity fading on the error rate performance of an optical code division multiple access communication system are investigated. The system model is a multiaccess satellite repeater in which user separation is accomplished by direct sequence …
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Learning time series data using cross correlation and its application in bitcoin price prediction
… discovery curve similarity of time series using cross correlation and L2 distance. The similarity metrics can be efficiently computed using convolution and can help us learn from the past instance using an ensemble voting scheme.
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Application of Wavelet Analysis and Cross-Correlation Techniques to Wide Area Monitoring of Power Systems
… and system characterization. The method employs cross-correlation and wavelet multi-resolution signal processing techniques for noise removal. Finally, the technique is implemented in Matlab and applied to simulated phasor measurements from an IEEE 14-bus test system implemented in PSCAD/EMTDC, …
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DESIGN OF A KEYWORD SPOTTING SYSTEM USING MODIFIED CROSS-CORRELATION IN THE TIME AND THE MFCC DOMAIN
… the same speaker. In this research, the use of cross-correlation, as an alternative means for detecting keywords in an utterance, was investigated. This research also involves the modeling of a global keyword using a quantized dynamic time warping algorithm, which can function effectively with …
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THE ASTROPHYSICAL GRAVITATIONAL WAVE BACKGROUND: IMPACTS OF PRIMARY AND SECONDARY ANISOTROPIES ON THE GW-LSS CROSS-CORRELATION
… for the first time in the literature their cross-correlation with the Large Scale Structure (LSS) of the universe measured via the “Dark Energy and Massive Neutrino Universe (DEMNUni)” simulation suite. In particular, we present the cross-correlation of the AGWB with CMB convergence, …
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Cross-correlation based performance measures for characterizing the influence of in-vehicle interfaces on driving and cognitive workload
… inspired by the mathematical function of cross-correlation: one which evaluates the cumulative effect and the other which evaluates the effects of individual instances of in-vehicle interactions on driving and cognitive load. The results from three driving simulator studies demonstrate …
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Measurement System and Campaign for Characterizing the Theoretical Capacity and Cross-Correlation of Multiple-Input Multiple Output Indoor Wireless Channels
… capacity of multi-element array systems with the cross-correlation of spatially separated channels. Historical measurements have also shown that in the presence of Rayleigh fading, antenna spacing may be used to control the level of correlation between propagation channels and maximize the …
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Use of Cross-Correlation Analysis to Determine Heart Rate Kinetics During Non-Steady State, Fatiguing Exercise in Collegiate Female Soccer Athletes
… quasi-binary, and dynamic exercise using cross-correlation analysis of HR and external work rate. Heart rate and running speed were cross-correlated yielding a cross-correlation function (CCF) and analyzed for its peak (CCFmax) and time delay (CCFlag). Modeled exercise data where the time …
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Enhanced Weak Signal Detection Using SVM Based Correlation Algorithm
… noise. To address this a kernel transform based cross-correlation algorithm is proposed for the application of weak signal detection. The algorithm leverages kernel methods to inflate SNR of the data and enhance the noise rejection capabilities of the traditional cross-correlation. The goal of …
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Real-time localization using received signal strength
… and receiver. The third paper introduces the cross correlation based localization methodology. Additionally, this paper also presents localization of passive RFID tags operating at 13.56MHz frequency or less by measuring the cross-correlation in multipath noise from the backscattered signals. …
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Reliability of resting brain networks using FMRI
… scanning parameters and population differences, cross-correlation values of time series between 97 ROIs chosen in the brain, should be consistent. To compare resting state connectivity measures, scatter plots of cross-correlation co-efficient between ROIs across sites were used. The investigation …
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