time-frequency plane
Wavelet-Based Characterization and Stochastic Modelling of Pulse-like Ground Motions on the Time-frequency Plane
... the time-frequency distribution of their total energy, a versatile PLGM model is defined as a combination of amplitude-modulated stochastic ...the time-varying distribution of the energy for adjacent ...
187
Spectrally Efficient OFDMA Lattice Structure via Toroidal Waveforms on the Time-Frequency Plane
... rectangular time-frequency regions including an additional four di ff erent toroidal regions in each rectangle as a total of 36 ...rectangular time-frequency region, the system transmits four ...
8
Non Stationary Signal Segmentation and Separation from Joint Time Frequency Plane
... We have shown that with an efficient windowing for Short-time Fourier transform followed by 2-D Wiener filtering will provide a strong segmentation scheme which separates the multi-segments of non-stationary ...
5
Context-based adaptive arithmetic coding in time and frequency domain for the lossless compression of audio coding parameters at variable rate
... a time-frequency plane context model (both time and frequency domain are taken into account) was devel- oped, which has led to the improvement of coding the quantized MDCT coefficients ...
13
A comparison of filters for audio signal segmentation in audio restoration
... Time frequency plane tessellation with discrete MFT Method for Implernenting Filters Onset Detection By Dividing Anti-Causal Filter by Causal Filter Gaussian and exponential filters in t[r] ...
36
Frequency Estimation Using Time-Frequency Based Methods
... the time-frequency plane similar to the one shown in Figure 4, as well as shearing it along the time and frequency ...the time-frequency cells presents new opportunities ...
102
Filtering in Time Frequency Domain using STFrFT
... in time-frequency plane or decomposition of signals in terms of ...Domain Frequency contents. Short-time FRFT variants are suitable for analysis of multicomponent and non- linear chirp ...
5
2-D DOA Estimation of LFM Signals for UCA Based on Time-Frequency Multiple Invariance ESPRIT
... and time frequency MI-ESPRIT ...the time-frequency analysis tool in this ...spatial time-frequency matrix can be obtained through the average of multiple ...
13
A general theory on frequency and time–frequency analysis of irregularly sampled time series based on projection methods – Part 2: Extension to time–frequency analysis
... A solution to this problem was addressed by Foster in a series of articles which share a common thread with our two papers, in the sense that it first generalises the Lomb– Scargle periodogram, based on orthogonal ...
26
Performance measurement of Hermite based multi carrier communication
... orthogonal frequency-division multiplexing (OFDM) has shortcomings when high efficiency is required in a multi-user ...increased frequency spacing, ...in time-frequency according to their ...
71
A Supervised Classification Algorithm for Note Onset Detection
... This paper is concerned with finding the onset times of notes in music audio. Though conceptually simple, this task is de- ceivingly difficult to perform automatically with a computer. Consider, for example, the na¨ıve ...
13
Wideband electromagnetic dynamic acoustic transducers (WEMDATs) for air coupled ultrasonic applications
... The peak-to-peak magnitude of the driving voltage across the WEMDAT is 7.1 V. A 0.2 X sampling resistor is fixed in series with the solenoid of the WEMDAT, and the peak-to-peak voltage over the resistor is 34.5 mV, ...
5
Design of Compact EBG Structure and effect on Circularly Polarized Triangular Patch with Stub
... same plane and antenna over EBG ...versus frequency for all the three cases are shown in Figure ...center frequency is higher in comparison to other ...same plane and gain around ...same ...
7
Numerical and Experimental Investigation of a Novel Ultrawideband Butterfly Shaped Printed Monopole Antenna with Bandstop Function
... In this paper, a novel butterfly shaped printed monopole antenna for UWB short-range wireless communications has been presented. The proposed antenna prototype has been designed, fabricated and tested. Both calculated ...
11
Ground Plane Effect Suppression Method to Design a Low-Profile Printed UWB Antenna
... mentioned in [24], a fidelity factor higher than 50% is an appropriate value for UWB systems. Table 2 presents this time-domain parameter for both planes. It is seen that the calculated fidelity factors in both ...
10
Computational Modeling of the Mechanics of Elastic Structural Lattices: Effects of Lattice Architecture and Hierarchy
... Gonella and Ruzzene, 2008c), kagome lattices (Niu and B. Wang, 2016), chiral lat- tices (Spadoni et al., 2009), and the topological transition from truss-like unit cells to continuum (meta)materials (Casadei and Rimoli, ...
128
A Compact Split Ring Resonator Antenna for Wireless Communication Systems
... of two split ring resonators printed symmetrically on different sides of the dielectric substrate, which is an Arlon with permittivity ε r = 2.43 and the thickness of the substrate is 0.49 mm. The antenna is fed by a ...
7
Comparative analysis of 3-dimensonal single pulse per plane with direct detection (SPPDD) code using space and polarization
... per plane 3D code having a single ‘1’ element per plane with the three dimensions: wavelengths, time and the space channels and hence are the (Wavelength x Time x Space Channels) ...
5
A general theory on frequency and time–frequency analysis of irregularly sampled time series based on projection methods – Part 1: Frequency analysis
... noise time series, all generated with the median red noise parame- ...noise time series, generated with stochastic parameters, that are taken from the joint posterior distribution of the parameters of the ...
29
Sweep frequency response analysis using time frequency distribution
... There are a few of faulty diagnostic technique that can be applied including method recovery voltage measurement (RVM), the dissolved gas in oil analysis (DGA). However, all of these methods are not relevant in order to ...
24