frequency domains
CSMA/CA in Time and Frequency Domains
... center frequency and bandwidth BW max ...and frequency domains, we show in Figure 10 the average BW and CW parameters that are selected by the stations, as a function of N ...
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A Secured Approach for Watermark Embedding using Key based Gödelization Technique under Spatial and Frequency Domains
... in Frequency domain as it is more robust to tampering and attacks than those in Spatial ...and frequency domains by embedding the watermark in the spatial domain thus increasing the payload ...the ...
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Vibration induced by subway trains: open trench mitigation analysis in the time and frequency domains
... the frequency response function (FRF) and the vibration acceleration peak (VAP) in both time and frequency ...and frequency domain results suggest that the dynamic response of the soils beyond the ...
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Analysis of the CNV waveform in the time and frequency domains
... Methods of OAR using Electro-oculogram (EOG) subtraction have been used in both time and frequency domains. They have been applied on-line and off-line and have used both analogue and digital techniques ...
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A comparative study of watermarking techniques in spatial and frequency domains
... The watermarking technique has served as a tool for the protection of Intellectual Property Rights (IPR) of multimedia contents. Due to the digital nature of multimedia documents, these documents can be duplicated, ...
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Identifying interactions in the time and frequency domains in local and global networks : a Granger causality approach
... A measurement of Causal influence for time series was first proposed by Wiener-Granger. We define the causal influence of one time series on another by quantifying the improvement made on the prediction of a time ser- ...
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UWB Printed Slot Antenna with Improved Performance in Time and Frequency Domains
... We discuss a true ‘slot’ antenna with very small width. This an- tenna has been studied since the 1950’s but has not been used in UWB systems due to its limited impedance bandwidth. We demonstrate that the traditional ...
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Comparative Analysis of Blind Digital Image Watermarking Utilising Dual Encryption Technique in Frequency Domains
... as frequency domain ...and frequency domain watermarking provides more ...low frequency watermarking scheme on gray level images, which is based on DCT transform and spread spectrum communications ...
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Image Edge Enhancement In Spatial and Frequency Domains
... parts which are edges in the image x appear bright while all other parts remain dark.The output of the LPF y is blurred and is of lower frequency compared with the input x. LPF smoothens the edge of significant ...
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MTF for Photographic Films by Parameter Estimation in the Space and Frequency Domains
... LIST OF FIGURES Figure 1 Modulation Transfer Function Figure 2: Point Point Spread Function Image, Figure 3: line Image, Line Spread Function Figure 2*: Edge Image, Edge Response Functio[r] ...
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Sleep Heart Rate Variability Analysis and k-Nearest Neighbours Classification of Primary Insomnia
... In this paper, a total of seven features from the time and frequency domains of HRV between primary insomnia patients and healthy subjects were investigated in terms of statistical significance. Although, ...
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Support Limited Generalized Uncertainty Relations on Fractional Fourier Transform
... points whose number of non-zero elements is countable accurately. This paper discussed the generalized uncer- tainty relations on FRFT in term of data concentration. We show that the uncertainty bounds are related to the ...
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A Novel Channel Estimation Method for Power Line Communications
... After applying the obtained optimum values to key parameters in proposed method, simulation results for channel estimation in both time and frequency domains are shown in Figure 6, with 4% impulsive noise ...
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Handwriting Analysis Using IMU For Small Handwriting Size
... and frequency domains of acceleration signals collected from inertial sensor and project the feature space into a smaller feature dimension for motion recognition with high recognition ...
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Fractional Order Modeling and GA Based Tuning for Analog Realization with Lossy Capacitors of a PID Controller
... and frequency domains of this modeled PI λ D μ controller gains have been proposed so that the original performance is retained with the same lossy capacitors in the analog ...
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A Fast Method to Measure the Volume of a Large Cavity
... and frequency domains, the volume of the cavity can be ...the frequency domain, the Q factor depends on the volume of the cavity and the transferred power; the transferred power can be measured ...
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Multifractal imaging filtering and decomposition methods in space, Fourier frequency, and eigen domains
... power-law frequency- distribution model of large eigenvalues but also gives an ex- ample of characterizing a compete distribution of extreme values from a multifractal ...
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Measurement frequency and sampling spatial domains required to characterize turbidity and salinity events in the Guadalquivir estuary (Spain)
... high frequency sampling becomes more important, in or- der to control the sediment input loads to the ...sampling frequency can be used in the upper estuary, but a higher time scale is required in the lower ...
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Oachkatzlschwoaf : a study of language choice in Ried im Innkreis, Austria
... The domains that Weiss inquired about were divided into four types: the private sphere, in public in the local community, with foreign contacts, and in the ...
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Automatically Generating Term Frequency Induced Taxonomies
... Supervised methods for taxonomy induction provide training instances with global seman- tic information about concepts (Fleischman and Hovy, 2002) and use bootstrapping to induce new seeds to extract further patterns ...
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