linear time-frequency distributions
Time-Frequency Signal Processing for Automated Infant Cry Classification
... Quadratic time-frequency distributions (QTFDs) namely Spectrogram (SPEC), Wigner-Ville distribution (WVD), Smoothed-Wigner Ville distribution (SWVD), Choi-William distribution (CWD) and Modified ...
11
Time-Frequency (Wigner) Analysis of Linear and Nonlinear Pulse Propagation in Optical Fibers
... Wigner distributions show that these spectral components undergo however a temporal realignment ac- cording to the GVD characteristic of the device which in turn causes the observed distortion in the temporal ...
12
Separating More Sources Than Sensors Using Time-Frequency Distributions
... On the other hand, the clustering may result in a num- ber of sources smaller than the original one. This would be the case in two typical situations. The first one occurs when “e ff ective” high-energy sources are mixed ...
20
A Class of Highly Concentrated Time-Frequency Distributions Based on the Ambiguity Domain Representation and Complex-Lag Moment
... instantaneous frequency variations within the window, distributions of various orders should be ...instantaneous frequency, while for a linear instan- taneous frequency one should use ...
9
A Theory of Reaction Time Distributions
... word frequency on picture naming latencies, we fitted a GAMLSS regression model using the normal family for the response distribution, and a log link function for the scale parameter ...word frequency (in ...
90
Runoff thresholds in derived flood frequency distributions
... flood frequency analysis in last few years ...flood frequency distribu- tions by Monte Carlo simulations, using a non-linear concep- tual rainfall-runoff ...flood frequency of spatial het- ...
13
Time-Frequency Analysis and Its Application in Digital Watermarking
... of time-frequency analysis have been intensively studied over the last two decades ...signals, time-frequency representations are required. Time- frequency distributions ...
20
Blind Separation of Nonstationary Sources Based on Spatial Time-Frequency Distributions
... on linear t-f distributions (e.g., short-time Fourier transform and Gabor expansions) to separate signals with disjoint t-f ...is linear, waveform recovery is relatively simple compared to ...
13
Techniques to Obtain Good Resolution and Concentrated Time-Frequency Distributions: A Review
... piecewise linear approximation of the IF, concentrated along the individual components of signal, using the Hough transform (used in image processing to infer the presence of lines or curves in an image) and the ...
43
Robust Time-Frequency Distributions with Complex-Lag Argument
... a linear instantaneous frequency ...the time-frequency distributions with complex-lag argument have been used to estimate nonlinear and fast IF variations ...these distributions ...
10
A Theory of Reaction Time Distributions
... On the other hand, we have seen that the model can be reduced to a non- linear instance of the DDM family of models. In our formulation, we have introduced the non-linearity by making the volatility rate or ...
89
Linear and Nonlinear Time Domain Block Equalizers on MIMO Frequency Selective Channels
... the time domain block linear and nonlinear equalizers for the signal separation and equalization of single carrier transmission on quasi- static frequency selective MIMO, SIMO, and SISO chan- ...
9
Recurrent frequency-size distribution of characteristic events
... the infinite model; Abaimov, 2009). In the limit of infinite model size (infinite number of blocks) the frequency-size dis- tributions of events are power-laws. However for a model of finite size the statistics ...
18
A Theory of Reaction Time Distributions
... probabilities and their latencies. The use of to opposed thresholds is crucial for this. To this point, Carpenter and Reddi (2001) reply that the results of Hanes and Carpenter (1999) show that a race between two ...
46
Hygroscopicity Frequency Distributions of Secondary Organic Aerosols.
... 𝜅 frequency distribution is generally shifted towards higher 𝜅-values when more oxidant was ...over time due to coupling between gas-phase oxidation and gas-particle ...
172
Nonlinearly testing for a unit root in the presence of a break in the mean
... a time series with a structural break in its mean for a unit root when the break date is ...empirical distributions of the unit root test statistics are estimated, comparing them with those associated with ...
33
The biology of the echinoid evechinus chloroticus (val ) in different habitats
... Diameter frequency distributions at Wakatu Point, Kaiteriteri, Seal Reef and Waeroa Point... Diameter frequency distributions at Third Bay and Sharks Tooth Point...[r] ...
210
Response of linear, viscous damped systems to excitations having time varying frequency
... ABSTRACT The response of linear, viscous damped systems to excitations having time-varying frequency is the subject of exact and approximate analyses, which are supplemented by an analog[r] ...
171
Phrasetable Smoothing for Statistical Machine Translation
... All smoothing techniques tested gave statisti- cally significant gains over pure relative-frequency estimates. In the small-corpus setting, the best technique is a loglinear combination of Kneser- Ney count ...
9
An evaluation of the performance of HapMap SNP data in a Shanghai Chinese population: Analyses of allele frequency, linkage disequilibrium pattern and tagging SNPs transferability on chromosome Iq2I-q25
... allele frequency difference over ...allele frequency distribution of 109 SNPs was significantly different between these two groups as shown by the χ 2 or Fisher's exact tests (P < ...
9