time analysis of continuous time signals

... one of the roots of wavelet analysis: The paper [60] by Grossmann, Morlet and Paul may be considered as one of the initial sources of wavelet theory, yet it deals with a unitary representation of ... approach to the construction of continuous wavelet transforms Embedding the discussion into L2 (G) Formulation of a list of tasks to be solved for general groups Solution of these problems for the ... the existence of a fixed choice of representatives of G, taking recourse to Schur’s lemma to identify arbitrary irreducible representations with one of the representatives by means of the essentially...

Ngày tải lên: 18/04/2014, 10:20

... array of free energy values constitutes a discrete signal This signal was examined using methods of time- series analysis, with signal points indexed by nucleotide position, instead of time Sequence ... Histogram of phase of verified sequences 35 30 25 Number of genes sequences that are translated Figure shows an example of the periodogram of a noncoding sequence, 23S rRNA For those free energy signals ... between the terminus of 16S rRNA and the mRNA during initiation of protein synthesis in Escherichia coli,” Proceedings of the National Academy of Sciences of the United States of America, vol 72,...

Ngày tải lên: 22/06/2014, 22:20

... reduction of the number of design variables and, as a consequence, of the number of required measurements Identification of the position of the phase change front requires to build up a series of direct ... most expensive and time consuming stage of the analysis Through application of sensitivity analysis and some basic algebraic manipulations (Nowak et al., 2000), minimization of the objective function ... the application of the proposed inverse analysis algorithms The mathematical description of the physical problem consists of a convection-diffusion equation for the solid part of the ingot: ›T...

Ngày tải lên: 16/06/2016, 01:11

... signals as compared to ECG signals Rather than critically sampled polyphase filterbanks of [8], we employ a very efficient WOLA oversampled filterbank [6] for time- frequency analysis of the EGM signals ... K = 32 subbands, analysis window length of L = 256, subband decimation factor of R = 4, and oversampling factor of OS = K/R = Hamid Sheikhzadeh et al At the output of WOLA analysis, K complex-valued ... subband time- index m is updated every R = input samples when a new block of WOLA subband signals is available Subband signals are then framed with a frame length of seconds and a frame shift of seconds...

Ngày tải lên: 22/06/2014, 23:20

... constantly to the people of that peninsula I speak now not of the soldiers of each side, not of the ideologies of the Liberation Front, not of the junta in Saigon, but simply of the people who have ... man When I speak of love I am not speaking of some sentimental and weak response I am not speaking of that force which is just emotional bosh I am speaking of that force which all of the great religions ... Part of autopsy It It It Those of us… The weight of such a commitment to the life and health of America Another burden of responsibility I The Nobel Prize for Peace This It I The relationship of...

Ngày tải lên: 07/09/2013, 12:58

... infinite set of possible signals is converted into a finite set The next step of encoding maps the finite set of discrete time, continuous amplitude signals into a finite set of discrete time, discrete ... be a continuous time, continuous amplitude signal If the range of x(t) is the set of integers Z, then x(t) is said to be a continuous time, discrete amplitude signal In contrast, a discrete time ... Quantization is the process of approximating any discrete time, continuous amplitude signal into one of a finite set of discrete time, continuous amplitude signals based on a particular distortion or distance...

Ngày tải lên: 18/10/2013, 04:15

... microscopy analysis of cells treated with WP631 was performed at different times For the sake of comparison, Fig shows both phase contrast and fluorescence photographs of selected field of cells ... whether the time- dependent survival curves in presence of the drugs (Fig 2) were merely due to a slower absorption of WP631 Two approaches were used, which take advantage of the fluorescence of anthracyclines ... ÔServeis Cientifico-TecnicsÕ of the University of Barcelona, using the 488 nm line of an argon laser and standard optical emission filters Percentages of cells at each phase of the cell cycle were estimated...

Ngày tải lên: 20/02/2014, 23:20

... preliminary understating of the time behavior of the series Fig.1 shows time series plot of selected time series air pollution concentration This Figure shows different time behavior of air pollutants ... Standardized time series The above analysis will show us whether air pollutant are dependent on time or not but in air pollution time series analysis, it would be useful to find time periods of risky ... synchronous time fluctuations of air pollutants The different time correlation behavior of the pollutants is further discussed in section 3.3 Time series results The first step in time series analysis...

Ngày tải lên: 15/03/2014, 20:20

... provide rich insights into the evolution of public sentiment toward the contenders Conclusion We presented a system for real -time Twitter sentiment analysis of the ongoing 2012 U.S presidential election ... displaying analysis results with drill-down ability, is precisely aimed at generating real -time insights as events unfold Beyond the sheer scale of the task and the need to keep up with a rapid flow of ... (2011) failed to predict with Twitter sentiment the ranking of the four candidates in Singapore’s 2011 presidential election Past studies of political sentiment on social networks have been either...

Ngày tải lên: 16/03/2014, 20:20

Ngày tải lên: 03/05/2014, 16:07

... between sample replicates Repeated measures analysis of variance was then used to test for the presence of interaction between the effects of Page of (page number not for citation purposes) Virology ... have investigated the suitability of 10 commonly used housekeeping genes for use as QPCR normalisers in a variety of cell types infected with a variety of strains of HIV-1, HSV-1, VZV and cytomegalovirus ... data to analysis using the GeNorm tool [13] (Table 2) Using the results from the GeNorm analysis it was possible to list the housekeeping genes in order of reliability in the context of each...

Ngày tải lên: 18/06/2014, 18:20

... Furthermore, the mean of four short time series of 256 points was shown to provide a better estimate of H than a single time series of 1024 points The results of the reliability analysis of the present ... any analysis from FC2 + s in order to remove any effect of time on HDFA The interpretation of HDFA depends on the values detected Values of HDFA greater than 0.5 are indicative of a persistent times ... indicative of a more precisely controlled movement in that the value of HS corresponds to the slope of the short-term of the loglog plot of Δt and This decrease in HS is indicative of a more...

Ngày tải lên: 19/06/2014, 10:20

... between sample replicates Repeated measures analysis of variance was then used to test for the presence of interaction between the effects of Page of (page number not for citation purposes) Virology ... have investigated the suitability of 10 commonly used housekeeping genes for use as QPCR normalisers in a variety of cell types infected with a variety of strains of HIV-1, HSV-1, VZV and cytomegalovirus ... data to analysis using the GeNorm tool [13] (Table 2) Using the results from the GeNorm analysis it was possible to list the housekeeping genes in order of reliability in the context of each...

Ngày tải lên: 20/06/2014, 01:20

... that the unit of f i is frames, the start position, Fposn , is expressed as the number of frames The Formula (1) denotes that the offset is equal to the half of the sum of all periods of previous ... similar flow as with the gradual arrival of packets, but with an offset that is the result of the packetized arrival of the data The flow of the packet size of 1200 bytes shows a maximum buffer size ... The fraction of the number of full slots over the total number of slots in a frame is represented by means of Egyptian Fractions, where the denominators are a power of two By means of a binary...

Ngày tải lên: 21/06/2014, 02:20

... the transmit time and estimated arrival time of a pulse signal as Background and System Model 2.1 Time Delay for Local Time Information Exchange The DCTS algorithm requires local time information ... the arrival time of the pulse signal as the clock of the sender node As shown in Figure 1, there is an offset between the transmit time of the pulse at the sender and the arrival time estimate ... Tr Tr p Tp + η Estimated time of arrival Tt p Ta Tp Figure 1: Physical layer-based time delay model Figure 2: MAC layer-based time delay model the synchronization error of the DCTS algorithm due...

Ngày tải lên: 21/06/2014, 20:20

... form of SIR than (20) and therefore, our analysis presents a comprehensive view of the behavior of STBC data in the presence of carrier offset Further, Manav R Bhatnagar et al the expression of ... matrix 2.2 Estimation of carrier offset and imperfect compensation of the received data Maximum likelihood (ML) estimation of transmitted data requires the perfect knowledge of the carrier offset ... resp.) view of the behavior of OSTBC imperfect knowledge of carrier offset in MIMO channels Figures and show the analytical and experimental, probability of error plots with different values of MSE...

Ngày tải lên: 22/06/2014, 19:20

... effects of MUI on the expected performance of a time reversed system at 30 Mbit/s, Ns = 5, with a signal-to-noise ratio of 12 dB The addition of each user results in an increase in the level of MUI ... ANALYSIS Time- hopping code analysis With all users assumed to be transmitting the same level of energy, and influenced by the same channel model, the remaining influential factor on the level of ... pre-out -of- phase, interference caused by signals in previous chips; and postout -of- phase, interference caused by signals in subsequent chips The first is dependent upon the separation probabilities of...

Ngày tải lên: 22/06/2014, 19:20

... number of relays is very large In this section, analysis on the PEP and diversity for networks with any number of relays is given As discussed in Section 3, the main difficulty of the PEP analysis ... eigenvalues of (1/R)G∗ G in this section The following theorem has been proved Y Jing and B Hassibi PDF of λmax of Wishart matrix 2.5 0.8 Pr (λmax < λ) Pr (λmax = λ) CDF of λmax of Wishart matrix ... proof is omitted since it is the same as the proof of Theorem in [5] As both H and RW are known at the receiver, sphere decoding can be used to perform the ML decoding in (17) The main purpose of...

Ngày tải lên: 22/06/2014, 19:20

... points, of which, S is the onset of percussion wave, P the peak of percussion wave, E the onset of tidal wave, K the peak of tidal wave, F the onset of dicrotic wave, and L the peak of dicrotic ... automated parameter extraction of pulse signals is constructed The framework includes characteristic point detection, estimation of the number of pulse waveform peak, labeling of characteristic points, ... to (8) The zero crossing points of W f c correspond to the corners of f (x), that is, the characteristic points of the pulse signal 3.3 Estimation of the number of pulse waveform peaks Chain code...

Ngày tải lên: 22/06/2014, 19:20

... al., Time- frequency analysis of heart rate variability signals in patients with autonomic dysfunction,” in Proceedings of the IEEE-SP International Symposium on Time- Frequency and Time- Scale Analysis, ... content varies with time) , a more global analysis method that represents this type of signals in both time and frequency domain simultaneously is needed One of the earliest used time- frequency signal ... 30 Time (s) 1.5 10 20 30 40 50 60 Time (s) 10 20 30 40 50 60 Time (s) (c) (c) Figure 5: The central frequency of the LF, MF, and HF of the HRV Figure 6: The variance of the LF, MF, and HF of...

Ngày tải lên: 22/06/2014, 20:20