amp estimation of mobile channels

Báo cáo hóa học: " Research Article Application of the Evidence Procedure to the Estimation of Wireless Channels" pdf

Báo cáo hóa học: " Research Article Application of the Evidence Procedure to the Estimation of Wireless Channels" pdf

... however, the output of the MF is sampled with the sampling period Ts ≤ T p , resulting in PN-tuples of the MF output, where N is the number of MF output samples By collecting the output of each sensor ... period of T p = 10 nanoseconds The output of the matched filter was sampled with the period Ts = T p /2, thus resulting in a resolution of samples per chip The sounding sequence consisted of M = ... to a maximum of L0 (L0 + 1)/2 possible hypotheses, while a total search requires testing a total of 2L0 different models APPLICATION OF THE RVM TO WIRELESS CHANNELS The application of the proposed...

Ngày tải lên: 22/06/2014, 19:20

23 305 0
Blind estimation of FIR channels using spatial separation

Blind estimation of FIR channels using spatial separation

... BLIND ESTIMATION OF FIR CHANNELS USING SPATIAL SEPARATION Y M SASIRI S YAPA (BSc Eng., University of Moratuwa, Sri Lanka) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ... consists of five chapters Chapter : The current chapter is intended as a primer to the background of blind estimation in mobile channels Properties of the channel and how it affects mobile transmissions ... used in mobile communications Application of the type of coding depends on the requirements of the communication link These factors include the bi-directionality of the link, the nature of the...

Ngày tải lên: 02/10/2015, 12:55

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Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks

Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks

... properties of the soil used for training of the MANN models are shown in Table Class Relative Importance (%) Table Properties of the soil used for learning of the MANN models Range of values Water ... pressure ratio increases as the increase of strain rate and their trends are similar to those of the previous research In the case of sample D, the predicted values of ANN model are slightly different ... soil samples used in this study were obtained from marine clayey soil deposit at the offshore area of Ha-dong in Korea The physical properties of this clay are presented in Table D Range of value...

Ngày tải lên: 22/03/2013, 15:01

5 516 1
Estimation of river discharge loadings of PAHs in a suburban river in Hiroshima Prefecture, Japan

Estimation of river discharge loadings of PAHs in a suburban river in Hiroshima Prefecture, Japan

... non-rainy samplings, samples taken before starting the rain were regarded as the non-rainy samples And in addition to them, samples were taken on Dec 11~17 and on Dec 21~22 for non-rainy samplings ... Based on the obtained H-Q curve, the river flow at each sampling campaign was determined from the measurements of water depth An example of the precipitation and flow rate was shown in Figure -1 ... the change of flow rate with time, specific discharge was calculated for estimating runoff ratio of each measured precipitation event Specific discharge is defined as the ratio of runoff loadings...

Ngày tải lên: 05/09/2013, 09:38

12 415 0
Estimation of clear sky hourly global solar radiation in Iraq

Estimation of clear sky hourly global solar radiation in Iraq

... majority of clusters of the data are close to the regression line Figures 3, 4, 5, and show the scatter plots of calculated and measured global hourly solar radiation for the cities of Mosul, ... determination of hourly values of total solar radiation from daily summation Archives of Meteorology Geophysics and Bioklimatology Series B 1956, 7, 197 [3] Hottel H.C., Whiller A Evaluation of flate ... radiation for the 15th day of each month for Baghdad city It is seen that the trend of the calculated and measured values are similar for all months and there is an over estimation in the calculated...

Ngày tải lên: 05/09/2013, 14:59

8 420 0
Estimation of luminous efficacy of daylight and illuminance for composite climate

Estimation of luminous efficacy of daylight and illuminance for composite climate

... dome shape) roof structure as shown by the pictorial view of skylight dome in Figure 13 shows the schematic diagram of dome shape skylight rooms There are three numbers of dome shape roof structure ... area of room under big dome (Af, m2) Floor area of room under small dome (Af, m2) Total area of glazing (Ag, m2) for big dome Total area of glazing (Ag, m2) for small dome Transmittance of glazing ... because of the higher values of solar radiation and luminous efficacy The maximum horizontal diffuse illuminance is found in July months because of overcast conditions due to monsoons Graphs of illuminance...

Ngày tải lên: 05/09/2013, 16:10

20 448 0
Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

... potential (m3/mg of waste), Mi = the mass of solid waste in the ith section of the landfill (mg), ti = the age of the ith section of the section of the landfill (years), t = the age of the landfill ... Journal of Energy and Environment (IJEE), Volume 4, Issue 1, 2013, pp.85-92 Figure Graph of frequency against range of values of age of landfill (t) Figure represents range of values of the total ... concentration of NMOC, the age of the landfill and the annual refuse acceptance rate For example, a comparison of the result of the probabilistic outcome of the total annual mass emission rate of NMOC,...

Ngày tải lên: 05/09/2013, 16:11

8 540 0
22  global optimization for parameter estimation of dynamic systems lin chinese 2005

22 global optimization for parameter estimation of dynamic systems lin chinese 2005

... Acknowledgments Background • Parameter estimation is a key step in development of mathematical models • Models of interest may be ODEs/DAEs • Minimization of a weighted squared error r φ = θ,z ... extension of a function f (x) over X F (X) ⊇ {f (x) | x ∈ X} • Natural interval extension – leads to overestimation (dependence problem) Taylor Models • Taylor Model Tf – an interval extension of a ... possible to compute Taylor models of complex functions Taylor Models - Range Bounding • Exact range bounding of the interval polynomials – NP hard • Direct evaluation of the interval polynomials –...

Ngày tải lên: 12/01/2014, 22:03

18 283 0
Global optimization for parameter estimation of dynamic systems lin chinese 2005

Global optimization for parameter estimation of dynamic systems lin chinese 2005

... Acknowledgments Background • Parameter estimation is a key step in development of mathematical models • Models of interest may be ODEs/DAEs • Minimization of a weighted squared error r φ = θ,z ... extension of a function f (x) over X F (X) ⊇ {f (x) | x ∈ X} • Natural interval extension – leads to overestimation (dependence problem) Taylor Models • Taylor Model Tf – an interval extension of a ... possible to compute Taylor models of complex functions Taylor Models - Range Bounding • Exact range bounding of the interval polynomials – NP hard • Direct evaluation of the interval polynomials –...

Ngày tải lên: 12/01/2014, 22:16

18 343 0
Tài liệu THE ESTIMATION OF THE EFFECTIVE REPRODUCTIVE NUMBER FROM DISEASE OUTBREAK DATA pdf

Tài liệu THE ESTIMATION OF THE EFFECTIVE REPRODUCTIVE NUMBER FROM DISEASE OUTBREAK DATA pdf

... course of S(t) Simulation of the model also requires knowledge of the initial values, S0 and I0 , which must also be estimated Although the model is framed in terms of the prevalence of infection ... by taking the square roots of ˆ the diagonal elements of the covariance matrix Σn GLS The values of the weights involved in the GLS estimation depend on the values of the fitted model These values ... trajectory is our central estimate of R(t) The uncertainty in the resulting estimate of R(t) can be assessed by repeated sampling of parameter vectors from the corresponding sampling distribution obtained...

Ngày tải lên: 13/02/2014, 16:20

22 515 0
Tài liệu Báo cáo khoa học: Quantitative estimation of channeling from early glycolytic intermediates to CO2 in intact Escherichia coli pdf

Tài liệu Báo cáo khoa học: Quantitative estimation of channeling from early glycolytic intermediates to CO2 in intact Escherichia coli pdf

... detail the results of experiments utilizing chromatographic techniques (b) Copurification of sequential pathway enzymes; for example, Law and Plaxton [10] (c) Coprecipitation of sequential pathway ... The use of stable isotopes Clegg and Jackson [16] compared the specific activity of 14C-labelled glycolytic intermediates with that of pyruvate These studies resulted in much less dilution of the ... facilitate uptake of intermediates these investigators permeabilized the cells with dextran sulfate.) The body of work cited above is strong evidence of channeling in a number of pathways; glycolysis,...

Ngày tải lên: 19/02/2014, 18:20

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Tài liệu Báo cáo khoa học: "Computationally Efficient M-Estimation of Log-Linear Structure Models∗" doc

Tài liệu Báo cáo khoa học: "Computationally Efficient M-Estimation of Log-Linear Structure Models∗" doc

... producing q0 , and the estimation of w as learning to undo that damage In the remainder of the paper, we use the general term “M -estimation to refer to the minimization of (w) as a way of training a ... performance of the HMM and test different estimation methods, we use Sha and Pereira’s feature templates, which include subsequences of labels, tags, and words of different lengths and offsets Here, ... and estimation of probabilistic context-free grammars In Proc of HLTNAACL A Dempster, N Laird, and D Rubin 1977 Maximum likelihood estimation from incomplete data via the EM algorithm Journal of...

Ngày tải lên: 20/02/2014, 12:20

8 286 0
Báo cáo " Estimation of emission factors of air pollutants from the road traffic in Ho Chi Minh City " docx

Báo cáo " Estimation of emission factors of air pollutants from the road traffic in Ho Chi Minh City " docx

... Journal of Science, Earth Sciences 24 (2008) 184-192 4.5 Estimation of traffic emission factors 4.5.1 Total emission factors for all vehicles a Estimation total emission factors Total emission of ... difference of components in the fuel types used; type and age of the engines; circulation conditions of vehicles; topography of the study area Conclusions Based on the advantages and disadvantages of ... classification of vehicle types is not in detail and only allows us to calculate emission factors in some limited ranges of vehicle speeds Another of top down approach is the inverse application of an...

Ngày tải lên: 05/03/2014, 16:20

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Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx

Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx

... difficulty of conditional estimation of a PCFG made it necessary to perform the experiment on a tiny training and test corpus In order to avoid the computational difficulty of conditional estimation, ... All of the HMM models investigated in this section are instances of a certain kind of graphical model that Pearl (1988) calls “Bayes nets”; Figure sketches the networks that correspond to all of ... model of the conditional distribution of tags given words (this is a simplified form of the model described in McCallum et al (2000)): m+1 P0 (Tj |Wj , Tj−1 ) P(Y |X) = j=1 (5) The MCLE of (5)...

Ngày tải lên: 08/03/2014, 05:20

8 370 0
Principles of Mobile Communication potx

Principles of Mobile Communication potx

... of Digitally Modulated Signals 4.9.1 Psd of a Complex Envelope 4.9.2 Psd of QAM 4.9.3 Psd of PSK 4.9.4 Psd of OQPSK 4.9.5 Psd of 4.9.6 Psd of OFDM 4.9.7 Psd of Full Response CPM 4.9.7.1 Psd of ... ISI Channels 8.6.1 TCM on Static ISI Channels 8.6.2 TCM on Noninterleaved Fading ISI Channels 8.6.3 Examples 8.6.3.1 Static ISI Channels 8.6.3.2 Multipath Fading ISI Channels 8.6.4 Evaluation of ... such as IS-95 use soft handoff, while TDMA cellular systems such as GSM and DAMPS typically use hard handoff To illustrate the principle of handoff gain, consider a cluster of cells; the target...

Ngày tải lên: 11/03/2014, 03:20

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Report on estimation of mortality impacts of particulate air pollution in London doc

Report on estimation of mortality impacts of particulate air pollution in London doc

... example, if we weight one side of a die so that the probability of throwing a is in rather than in 6, then in say 600 throws we will get an average of 1200 6s rather than the 1000 expected of ... to estimate the impacts of air quality (specifically particulate matter) on the annual number of deaths for all of London and its constituent areas The broad requirements of this project were: ... main purposes of the Study were: • • To provide data to inform the development of the Mayor’s Air Quality Strategy • 1.2 To provide a high-level estimate of overall health impacts of poor air quality...

Ngày tải lên: 15/03/2014, 16:20

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Báo cáo khoa học: "Structural Disambiguation Based on Reliable Estimation of Strength of Association" potx

Báo cáo khoa học: "Structural Disambiguation Based on Reliable Estimation of Strength of Association" potx

... phrase attachments Class-based Estimation S t r e n g t h of A s s o c i a t i o n of The strength of association (SA) m a y be measured using the frequencies of word cooccurrences in large corpora ... the numbers of occurrences of all the words included in the word classes C1 and C2, and f(C1, C2) is 1417 the n u m b e r of co-occurrences of the word classes C1 and C2 Normally, the estimation ... terms of m u t u a l information between two words wl and w2: I(wl, w2) = log2 N * f(wl,w2) f(wl)f(w2) (1) here N is the size of the corpus used in the estimation, f(Wl, w2) is the frequency of...

Ngày tải lên: 17/03/2014, 07:20

7 283 0
An estimation of the economic impact of chronic noncommunicable diseases in selected countries ppt

An estimation of the economic impact of chronic noncommunicable diseases in selected countries ppt

... model, including the approach to estimation; A presentation of the results of the analysis; The discussion of the results including a brief discussion on the sensitivity of the forecast to the assumptions ... narrow view of economic impact of chronic diseases, in that it mainly explored the impact of disease on the economy through change in labour supply, or the opportunity cost of one unit of labour, ... which adds the value of health gains (health income or welfare) to national income The majority of the studies on economic impact of chronic disease have employed the cost of illness approach...

Ngày tải lên: 23/03/2014, 20:20

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hacking a terror network - the silent threat of covert channels

hacking a terror network - the silent threat of covert channels

... types of channels into this plan The Mind of Terror • Chapter Using these hidden channels of communication during a time of war or conflict was not a new idea It had been used thousand of years ... serves as the Professor of Network Security at the University of Advancing Technology (uat.edu) in Tempe, AZ Russ is the author of Hacking a Terror Network:The Silent Threat of Covert Channels (Syngress ... clock sitting next to the lamp and saw that it was just 2:34 A.M Setting the glass of water back down on the nightstand, he pulled the damp sheets off and climbed out of bed It was early, but he...

Ngày tải lên: 25/03/2014, 11:20

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