the performance of a 34 mimo ofdm system

... location by tracking the location of the body parts of a player and making adjustments to enhance the experience [6] Another application is video or audio playback applications that may track the ... collecting the Wi-Fi data is how to balance the cost, labor effort, and localization accuracy The traditional grid-based approach is labor intensive but provides real and high-quality data Other approaches ... range of 2.4 GHz and 5 GHz networks, regarding the scenario of indoor space with several small rooms divided by walls, are analysed In addition to the analysis of the signals, the accuracy and

Ngày tải lên: 11/07/2021, 16:57

... of businesses according to financial aspects (financial performance) one of two ways of measurements shall be used: (i) Profit Indicator such as the ratio of profit over the total assets (ROA), the ratio of profit   ... individual characteristics of each person are governed by four basic attributes: stability, unity, activeness and interpersonal characteristics. At the same time, the CEO's personal characteristics also carry all the basic attributes of the personal trait This system  of  characteristics  ...  might exert a strong influence to each individual’s behavior. This fact is well­applied to CEOs as well, as leadership studies have shown that the style, habits,  or behaviors of a particular leader are the outward reflection of a variety   of   this   CEO’s   typical   characteristics   and   that   has   direct impacts on the performance of organizations and businesses they run. Therefore, the influence of a leader’s characteristics of on different aspects of business operation has been one among many contents that attract scholars and researchers in the field of business administration worldwide

Ngày tải lên: 28/09/2020, 01:07

... possess a holistic overview whereas the traditional approaches are inadequate Additionally, experiments and then learning via systems simulation may be one of the most critical powers of system dynamics ... without any accidents (Chan and Kumaraswamy, 2002), in accordance with the specified quality level, and the participant satisfaction (Ashley et al., 1987, Liu, 1999 and, Chan and Kumaraswamy, 2002) ... behavior of system and policy variables 4 Aggregating patterns and defining system boundary 8 Recognition of a fabric of past trends for system variables 12 Recognition of a fabric of past

Ngày tải lên: 17/02/2021, 10:31

... conditions, and grid generation The computational domain was a rectangle with a width of 6 m and a length of 12 m, the turbine was placed in the symmetry axis of the top and bottom boundary and at a distance ... Computational grid of: (a) external stationary domain and (b) internal rotational domain and subdomains. Trang 8A Torque characteristic analysisFig.7shows the variation of averaged torque coefficient ... Numerical method validation In order to validate the accuracy of the sliding mesh method used in this paper, we calcu-lated the averaged torque of a two-bladed Savonius turbine for a range of rotation

Ngày tải lên: 04/12/2022, 14:54

... Mishima K, Higashiyama H, Idaira Y, Asada Y, Kitamura H, Yamasaki S, Hojyo S, Nakayama M, Ohara O, Koseki H, Dos Santos HG, Bonafe L, Ha-Vinh R, Zankl A, Unger S, Kraenzlin ME, Beckmann JS, Saito ... as the sum of the rankings of an algorithm for the selected performance indices and benchmark microarray datasets [48, 49] The ranking of an algorithm for a spe-cific performance index and a ... Missing value imputation is important for microarray data analyses because microarray data with missing values would significantly degrade the performance of the downstream analyses Although many

Ngày tải lên: 04/12/2022, 15:33

... is a key performance indicator that is used byinvestors and analysts to evaluate the performance of a company Another financial indicator that is commonly used to measure the performance of a ... assets Inflation and GDP growth are macroeconomic factors that can impact theperformance of banks Inflation can impact the profitability of banks by reducing thevalue of their earnings and assets ... ratioanalysis, trend analysis, and regression analysis Ratio analysis involves calculatingfinancial ratios such as ROE, ROA, and others, to assess the financial health of acompany Trend analysis

Ngày tải lên: 12/12/2023, 15:03

... Trang 1Long-term Performance of a Transcatheter Pacing System: 12 month results from theMicra Transcatheter Pacing Study Gabor Z Duray, MD, PhD, Philippe Ritter, MD, Mikhael El-Chami, MD, ... Please cite this article as: Duray GZ, Ritter P, El-Chami M, Narasimhan C, Omar R, Tolosana JM, Zhang S, Soejima K, Steinwender C, Rapallini L, Cicic A, Fagan DH, Liu S, Reynolds D, Micra Transcatheter ... Reynolds D, Micra Transcatheter Pacing Study Group, Long-term Performance of a Transcatheter Pacing System: 12 month results from the Micra Transcatheter Pacing Study, Heart Rhythm (2017), doi:

Ngày tải lên: 04/12/2022, 15:15

... that actively acquire data from the Sensor Proxies If data was not avail-able to be pulled, the calling I/O Facade would need to block awaiting a result In order for the I/O Facade to pull, the ... allocate additional threads to allow the application to make progress while the I/O Facade task is blocked However, adding threads to the system has many negative consequences, such as increased ... hardware, such as Forward Looking Infrared Radar, requires a new Sensor Proxy, I/O Facades must be al-tered to take advantage of the new technology 3.6 Alleviating Drawbacks with Conventional Avionics

Ngày tải lên: 19/02/2014, 18:20

... Copies of working papers are available from the author The Impact of a Corporate Culture of Sustainability on Corporate Behavior and Performance Robert G Eccles, Ioannis Ioannou, and George Serafeim ... Ioannis Ioannou is an Assistant Professor of Strategic and International Management at London Business School George Serafeim is an Assistant Professor of Business Administration at Harvard Business ... characterized by a governance structure that takes into account the environmental and social performance of the company, in addition to financial performance, a long-term approach towards maximizing

Ngày tải lên: 06/03/2014, 20:21

... attrition rate of conventional funds is higher than the attrition rate of SRI funds (and therefore, the average performance of conventional funds is biased more upwards than the average performance of ... in the US market It is remarkable that four Anglo-Saxon countries, namely, the US, Canada, the UK and Australia are considered most in this research, although Europe has the largest share of the ... include the performance evaluation models as control variables in the meta-analysis Benson et al (2006) compare the annual raw returns and sharp ratios of US funds They do not report any significant

Ngày tải lên: 30/03/2014, 12:20

... plot of the initial rateconstants (V0), which represents the initial rate of the reaction, vs the Adx concentration shows an almost linear correlation (Fig 3A), suggesting that the formation of the ... 1 Departamento de Bioquı´mica y Biologı´a Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Spain; 2 Biochemie, Universit€ a at des Saarlandes, Saarbr€ u ucken, Germany The opportunity ... shows a typical absorbance band at 450 nm [33] Time-sequential spectra recorded after addition of CYP11A1 to an anaerobic CO-saturated sample containing the reaction mixture FNRrd/Adxoxgave rise

Ngày tải lên: 31/03/2014, 07:20

... "grumpy", "cranky" "worry" "scared" "stressed" "mad", "upset" "exhausted" "tired" "how severe" "how bad" "social activities" ... "mad" "frustrated" "grouchy", "mad" "frightened" "scared", "afraid" "snaps" (i.e., shirt snaps) "zipper", "button" ... activities" "activities with friends" "ER" "emergency room" "grumpy" "mad", "angry" "rely" "trust" "furious" "angry",

Ngày tải lên: 18/06/2014, 19:20

... sigsig-nals can be used to label the brain signals and to evaluate the per-formance of a BI The data analysis of individuals with motor disabilities was thus left to future studies The data of four ... separates the signal into "details" at different frequency bands and a coarser representation of the signal called an "approximation" For our study, the rbio3.3 wavelet from the ... space A 1-NN classifier is used as the feature classifier A moving average and a debounce algorithm are employed to improve the performance of the system by reducing the number of false activations

Ngày tải lên: 19/06/2014, 10:20

... palms facing downwards, and faced the monitor at a distance of approximately 70 cm The image on the monitor showed a virtual arm in the same orientation and relative position as the real arms, ... http://www.jneuroengrehab.com/content/7/1/57 Page of 13 the analysis The median was chosen instead of the mean as it is more robust to outliners that may have statistically unbalanced the analysis in our relatively ... hemisphere: diagram of the Δ[O2Hb] amplitude changes with standard error of the mean (SEM) and statistical significances of paired t-test are shown perhaps because they are less ‘automatic’ It has been...

Ngày tải lên: 19/06/2014, 08:20

... water ascends to the top of the tank It is originated from the fact that, after gaining heat from the solar radiation, the tank wall heats a thin vertical layer of water along the tank wall Part ... function of the density, specific heat capacity and the initial and massweighted average temperatures of water; with all the values, apart from the mass-weighted average temperature, are the same ... solar radiation and average temperature of the present experimental study and the theoretical results of [1] in January Figure 12 The time variation of solar radiation and stored energy of the...

Ngày tải lên: 05/09/2013, 15:28

... through a declarative query language are Objectivity/DB, GemStone and O2 A commercial parallel database management system is Teradata [37], which is a relational database system Teradata runs on a ... performance of various features of database systems The 007 database has been designed to test the performance of object database systems, in particular for analysing the performance of inter-object ... Shore as a storage system Some of the advantages of Polar over most of the mentioned systems are itemized as follows • Use of a standard data model: Polar adopts a standard object data model, the...

Ngày tải lên: 17/03/2014, 00:20

... the calculation of the cost of a path, based on the LQI values of all links Therefore, we chose to evaluate the performance of these LQI-based routing metrics for NST-AODV Note that the PATH-DR ... packet were obtained at each of the remaining motes The LDR was calculated for all the receivers The same procedure was repeated three times, and the sender was placed at each of the other three ... including the LQI of lost packets [19] 6.2 Variability of the LQI of a Link Figure depicts the standard deviation of the LQI against the average values of LDR (%) EURASIP Journal on Wireless Communications...

Ngày tải lên: 21/06/2014, 11:20

... [17] has found a difference of 5,5% between annual average daily irradiation obtained at the weather station INMET and database SWERA To conclude, this paper considered 5,5% of the annual average ... Situated at the Solar Energy Laboratory – LABSOLAR, at the UFSC (Federal University of Santa Catarina), there is the first Grid-connected Photovoltaic System of Brazil, with a total implanted ... until the result was the amount of capital invested in the project n ∑ RFATi (2) i where i is the year; RFAT the annual financial return of the year i Logically, the weekly financial return was calculated,...

Ngày tải lên: 09/09/2015, 10:32

... vertical polarized antenna The field incident on the antenna is assumed to comprise arbitrary azimuthal angles of arrival, and each waveform has equal average amplitude with unresolvable delay The ... As a result of such time variations, the nature of the multipath varies with time The time variations appear to be unpredictable to the user of the channel Therefore, it is reasonable to characterize ... is approximately the reciprocal of the maximum Doppler shift, the rate of fade can therefore be measured by the f d Tb , called normalized Doppler frequency A fast fading channel will have a large...

Ngày tải lên: 27/11/2015, 11:26

... describes the basic OFDM system model and MIMO system model The wireless channel model, the principles of OFDM and MIMO systems, the combination of MIMO and OFDM, that is, MIMO- OFDM system is also ... variance of OFDM system capacity for the number of channel paths L = 2, 4, and 8, over the Rayleigh fading channel 163 Fig 6.5 The variance of OFDM system capacity versus the CP of an ... Peak-to-Average (PAR) of OFDM systems 30 2.2.3 Channel estimation for OFDM systems 33 2.2.4 Synchronization of OFDM systems 38 2.2.5 Advantages and disadvantages of OFDM systems...

Ngày tải lên: 20/11/2012, 11:28