time frequency energy representation of a non stationary signal
Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"
Ngày tải lên :
25/10/2012, 11:48
... Clinically significant oroantral communications a study of incidence and site Int J Oral Maxillofac Surg 1994;23:19-21 Haas R, Watzak G, Baron M, Tepper G, Mailath G, Watzek G A preliminary study of ... characteristics of OAC/OAF; the apexes of tooth 26 were in extremely close approximation to the maxillary sinus, and an area of periapical rarefaction was evident (Fig 1) After the failure of the endodontic ... and clavulanic acid g The fixed partial prosthesis was removed and the contiguous mucosa appeared healthy A buccal full thickness flap was harvested and the presence of a small OAF was verified...
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Finite time exergoeconomic performance optimization of a thermoacoustic heat engine
Ngày tải lên :
05/09/2013, 16:10
... transfer coefficient and F2 is the total heat transfer surface area of the cold-side heat exchanger Here the & &′ imaginary part n2 of n indicates the relaxation of a heat transfer process Defining ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat leakage ( q ) from the heat source ... efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped tube Phys Rev Lett.,...
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Campaigns of a Non-Combatant, and His Romaunt Abroad During the War ppt
Ngày tải lên :
07/03/2014, 01:20
... might stay and be jammed I found afterward that this individual was troubled with a kind of insanity peculiar to all headquarters, arising out of an exaggerated idea of his own importance I had the ... that I shall hear of him again as the proprietor of an overland mail, or the patron and capitalist of Greenland emigration I passed the second and third days quietly in camp, writing a couple of ... gave me a dollar, and said that he had spoken of me to the Water-Gas Company as a capital secretary Then he wrote me a pass for the Arch Street Theatre, and told me, benevolently, to go off and...
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báo cáo hóa học: " Educators'''' working conditions in a day care centre on ownership of a non-profit organization" pot
Ngày tải lên :
20/06/2014, 00:20
... Demographic characteristics of participants All eleven participants were female with an average age of 36.3 years (SD = 7.4 years, range 25-47 years) The overwhelming majority of participants hold a degree ... Educators’ working conditions in a day care centre on ownership of a non- profit organization Bianca Kusma* 1, 2, Stefanie Mache 1,3, David Quarcoo 1, Albert Nienhaus and David A Groneberg1 ... beginning of the monitoring a written request was sent to the management of a randomly selected day care centre on ownership of a non- profit organization in Berlin After receiving departmental approval,...
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Báo cáo hóa học: " Time-Frequency Feature Extraction of Newborn EEG Seizure Using SVD-Based Techniques" pot
Ngày tải lên :
23/06/2014, 01:20
... Venkatachalam and J L Aravena, “Nonstationary signal classification using pseudo power signatures: The matrix SVD approach,” IEEE Trans on Circuits and Systems II: Analog and Digital Signal Processing, ... 3.1 TFD of signals TFDs are powerful tools for extracting features of the patterns embedded in a nonstationary signal [13] The TFD of a signal is a joint representation in both time and frequency ... Boashash and B Barkat, “Introduction to time- frequency signal analysis,” in Wavelet Transforms and Time- Frequency Signal Analysis, L Debnath, Ed., pp 321–380, Birkh¨ user, a Boston, Mass, USA,...
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Báo cáo lâm nghiệp: "Energy consumption of a chipper coupled to a universal wheel skidder in the process of chipping wood" pptx
Ngày tải lên :
07/08/2014, 10:21
... (these maximum values are calculated from the measurement record) ANOVA (multifactor analysis of variance) was used for finding out the interaction of several factors with energy consumption of the ... criteria used for the analysis were maximum torque, maximum revolutions and maximum power As criteria of statistical significance (P) F-test was used and it is probability of the fact that the factor ... was an assumption that the particular parameters influenced each other For the test generalization Duncan’s test was used For each variation of three-factor levels (4 assortments × two types of...
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Báo cáo y học: " Phosphatidylserine receptor and apoptosis: consequences of a non-ingested meal" pptx
Ngày tải lên :
09/08/2014, 01:23
... properly cleared, they may enter late stages of apoptosis and secondary necrosis consecutively The membranes of the dying cells became leaky, and the usually anti-inflammatory clearance Available online ... Disposing of dying cell: a fine balance between proinflammatory and anti-inflammatory signals Phagocytosis of apoptotic cells is known to be an antiinflammatory [15] and immunologically silent process ... erythematosus remain unclear, exposure of PS and its recognition by the PSR remains one of the best characterized signals that results in anti-inflammatory clearance of debris without induction of an...
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Báo cáo y học: "Remnant of a non-patent ductus arteriosus mimicking traumatic thoracic aorta transection: a case report" ppt
Ngày tải lên :
10/08/2014, 09:22
... region of the isthmus are the following A Remnant of a nonpatent ductus arteriosus This vestigial may appear as a local protrusion of the aortic extremity of the ductus-as in our case- or as a scarry ... aortography as a large bulge on the lesser curvature of the aortic isthmus, in patients with a left aortic arch and normal origin of the brachiocephalic arteries D Calcification of the ligamentum arteriosum ... 3Department of Anaesthesiology and Critical Care Medicine University Hospital of Patras Patras, Greece Authors’ contributions All authors: have made substantial contributions to conception and...
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báo cáo khoa học: "Atypical epigenetic mark in an atypical location: cytosine methylation at asymmetric (CNN) sites within the body of a non-repetitive tomato gene" ppsx
Ngày tải lên :
11/08/2014, 11:20
... same conditions indicated above, using the following primers: Asr1 337 bp 5’-CAGATGGAGGAGGAGAAACAC-3’ 5’-TAGAAGAGATGGTGGTGTCCC-3’ Actin 185 bp 5’-GGGATGATATGGAGAAGATATGG-3’ 5’-AAGCACAGCCTGGATAGC-3’ ... Epigenetic natural variation in Arabidopsis thaliana PLoS Biol 2007, 5:e174 37 Woo HR, Richards EJ: Natural variation in DNA methylation in ribosomal RNA genes of Arabidopsis thaliana BMC Plant Biol ... software [46] (http://katahdin.mssm.edu/kismeth/revpage.pl) was used to analyse the methylation data Once the data for each site were gathered, GraphPad software was used for statistical analysis...
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Báo cáo y học: " Failure of a non-authorized copy product to maintain response achieved with imatinib in a patient with chronic phase chronic myeloid leukemia: a case report" ppsx
Ngày tải lên :
11/08/2014, 17:21
... consisting of the alpha crystal form of imatinib, has become commercially available under the name ‘imatib’ (CIPLA-India) at a markedly reduced price The lower price has prompted some health-care authorities ... %BCR-ABL/ABL International Scale (IS) score of about 0.01 compared to an initial value of This status had been maintained for approximately three years In January 2007, his BCR-ABL scored negative by nested ... resumed imatinib at a daily dose of 600 mg per day In July 2007, after approximately two months of therapy with imatinib, laboratory values revealed a return to a full hematologic and cytogenetic...
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Báo cáo hóa học: " Editorial Time-Frequency Analysis and Its Applications to Multimedia Signals" pptx
Ngày tải lên :
21/06/2014, 05:20
... for image authentication” by B Barkat and F Sattar The first method is based on the time- frequency analysis EURASIP Journal on Advances in Signal Processing and uses the nonstationary watermark ... discrimination between known patterns for nonstationary signal classification, even when signals are corrupted with additive Gaussian noise with a small variance The paper “Parametric time- frequency analysis ... analysis and its applications in music classification,” by Y Shen et al., deals with analysis and classification of music signals Music signals are decomposed into atoms using an adaptive timefrequency-based...
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Báo cáo khoa học: "REPRESENTATION OF FEATURE SYSTEMS IN A NON-CONNECTIONIST MOLECULAR MACHINE" pptx
Ngày tải lên :
18/03/2014, 02:20
... Laszl6 and Andras Kornai 1985 A finite-state approach to generation and parsing Paper presented at the Generative Grammar Fiesta, Salzburg K~im~n, I~szl6 1986 Semantic interpretation in a dynamic ... can perform extra actions when receiving a properly addressed message That is, the message acts as a p r o g r a m that will, after some modifications it undergoes, activate a set of output m o ... characterizing a language where plural and dual n o u n s u s u a l l y b e h a v e in the same w a y (e.g H e b r e w ) : In this machine, each molecule c o n t a i n s a m o r e or less s t a...
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Báo cáo sinh học: " Research Article Approximating the Time-Frequency Representation of Biosignals with Chirplets" pot
Ngày tải lên :
21/06/2014, 16:20
... representations of a bioacoustical signal (a) Time- domain representation of the large brown bat echo-location signal (sampled at 0.14 MHz) (b) Spectrum of the signal (calculated with a 0.45 ms Gaussian ... monocomponents of a multicomponent function are approximated by Gaussian chirplets The chirp is one of the most fundamental signals in nature Many natural and man-made signals can be well approximated ... this representation Frequency Frequency EURASIP Journal on Advances in Signal Processing Time Time Frequency (b) Frequency (a) Time Time (d) Frequency (c) Time (e) Figure 2: (a) Spectrogram of a...
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Báo cáo hóa học: " Multiple-Clock-Cycle Architecture for the VLSI Design of a System for Time-Frequency Analysis" doc
Ngày tải lên :
22/06/2014, 23:20
... Stankovi´ and LJ Stankovi´ , “An architecture for the realc c ization of a system for time- frequency signal analysis,” IEEE Transactions on Circuits And Systems—Part II: Analog and Digital Signal ... SUB ParADD1 Datab[] Result[] LPM ADD SUB Dataa[] OutREG Data[] LPM DFF Cout Result[] LPM ADD SUB (Parallel adders) ParADD1 a1 [19 0] a1 [19 18] GND LPM CLSHIFT a1 [17 0] Data[] Result[] Distance[] ... Imag) value (in each further step) SignLoad 1-bit signal which enables sampling of the analyzed analog signal f (t), but only after execution of the desired TFD of the analyzed signal samples...
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Báo cáo hóa học: " Use of Time-Frequency Analysis and Neural Networks for Mode Identification in a Wireless Software-Defined Radio Approach" pptx
Ngày tải lên :
23/06/2014, 01:20
... can interfere with WLAN and vice versa The use of time and frequency analysis allows one to identify the presence of the two standards at a particular time instant and at a given frequency An ... the absence (elements equal to 0) of signals at a given time t and at a given frequency f (2) The threshold has been chosen in an empirical way After a trial and test procedure, its value has ... multiband communications, antenna arrays [6] or different RF stages can be employed [7] This solution is known as software-defined radio (SDR) and can be defined as a radio that can receive and transmit...
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Báo cáo hóa học: " A New Approach for Estimation of Instantaneous Mean Frequency of a Time-Varying Signal" doc
Ngày tải lên :
23/06/2014, 01:20
... (MPTFD), has good signal representation and is appropriate for analysis of nonstationary, multicomponent signals The extraction of coherent structures makes MP an attractive tool for TF representation ... of adaptive TFDs is based on signal decomposition In practice, no TFD may satisfy all the requirements needed for instantaneous feature extraction and identification for nonstationary signal analysis ... “syn1” is an example of a monocomponent signal with linear and nonlinear frequency dynamics To simulate noisy signal conditions, the signal was corrupted by adding random noise to an SNR of 10 dB...
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Báo cáo y học: "Lifetime health effects and medical costs of integrated stroke services - a non-randomized controlled cluster-trial based life table approach"
Ngày tải lên :
25/10/2012, 10:35
... was a collaboration of a single hospital with an integrated stroke unit; a nursing home with capacity for all diagnosed patients to be admitted and a home care organization with specially trained ... stroke life-table A life-table approach was applied to extrapolate the trial findings and to arrive at estimates of lifetime health benefits and costs per patient A multidimensional Markov structure ... of hospital stay, casefatality, functional status at discharge, and destination after discharge The research populations compare well to the demographic profile of the Netherlands Trained nurses...
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Prospects of concentrating solar power to deliver key energy services in a developing country
Ngày tải lên :
05/09/2013, 14:58
... I: Tarapaca, II: Antofagasta, III: Atacama, IV: Coquimbo, V: Valparaiso, RM: Region Metropolitana, VI: Libertador General Bernardo O’Higgins, VII: Maule, VIII: Biobio, IX: Araucania, X: Los Lagos, ... incorporate external factors and other impacts • Access to financing • Lack of knowledge and capacitated human capital • Bad coordination between institutions • Lack of adequate technical studies ... contractual off-take agreements) [30] Given the size of the Atacama Desert and its high annual average solar radiation, CSP is likely to have significant potential in the Northern part of Chile...
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A study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy
Ngày tải lên :
07/09/2013, 13:02
... instrumentation and data collection Methods of analysis will be addressed in Chapter Four Analysis of a range of data collected from various sources (oral data from group planning and individual presentations, ... Science Academy after successfully having passed the National Entrance Examination All of the students at the MSA pursue a four-year program of foreign languages There are departments in MSA namely: ... (1998) argued that in addition to the number of pauses and the total pausing time, the mean length of run and the speech rate were also valuable features as a measure of fluency Yuan, F and R...
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Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch
Ngày tải lên :
15/10/2013, 16:11
... higher than for the MERS case The influence of actual switch characteristics and thermal capability has been investigated An average peak junction temperature of 125°C and 80°C heat sink temperature ... Renewable Energy 2006, 2006 [3] Ryuichi Shimada, Jan A Wiik, Takanori Isobe, Taku Takaku, Noriyuki Iwamuro, Yoshiyuki Uchida, Marta Molinas, and Tore M Undeland A new ac current switch called ... generator voltage and the maximum output power can be increased A configuration using a variable series compensation device called a magnetic energy recovery switch (MERS) and a diode bridge has...
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