research design and sources of evidence

... State of America, 1998 [2] R Mehran, CAD of Microstrip Filters considering dispersion loss and discontinuity effects, IEEE Trans MTT-27, Mar (1979) 239 [3] R Mehran, A method of analysis and design ... Thi Thanh Thuy, Pham Van Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application ... Schematic diagram of aWilkinson power divider [1] This is a such network that the lossless and resistive T-junction power dividers have no isolation between the outputs of port and port 3, and the lossless...

Ngày tải lên: 22/03/2014, 11:20

... system -Study about delta modulation -Design and fabricate successfully VCO circuit in VHF band and delta modulate circuit TABLE OF CONTENTS List of Figures List of Table ABBREVATIONS BJT Bipolar ... requirements of this standard and shall be designated dBm0 3.5 CVSD Characteristics 3.5.1 Input and Output Impedances The analog input and output impedances for CVSD converters are not standardized ... value of capacitors and coils to satisfy stability condition of phase and 33 magnitude and eliminate parasites in the circuit Because all factor will impact on the range of output frequency And...

Ngày tải lên: 27/05/2014, 20:57

... and participated in its design and coordination and drafted the manuscript TK and DB designed and Page of implemented the analytic plan for the study ML and EJ designed and implemented the study ... management of the organ donor [24], standard protocols in use by the CTDN at the start of the BOLD study in 2007 dictated a tidal volume of at least 10 ml/kg of actual body weight and PEEP of at least ... donor management research: design and implementation of a large, randomized, placebo-controlled trial Annals of Intensive Care 2011 1:20 Submit your manuscript to a journal and benefit from: Convenient...

Ngày tải lên: 21/06/2014, 03:20

... 1.1.RATIONALE OF THE RESEARCH 1.2.PROBLEM STATEMENT 1.3.OBJECTIVES OF RESEARCH 1.4.THEORETICAL FOUNDATION 1.5 .RESEARCH METHODOLOGY 1.6 .RESEARCH SCOPE 1.7 .RESEARCH DESIGN 1.8 .RESEARCH STRUCTURE ... development of the company in the coming time 1.3 Objectives of research The main objectives of the research are to identify current HR situation of MDC and find out the root causes of the recruitment, ... benefit and compensation (B&C) policy and training and development 1.5 Research methodology In terms of data source, this research is studied basing on primary and secondary source In terms of data...

Ngày tải lên: 14/10/2014, 01:10

... inconsistencies in the annotations of nouns in SemCor or the very fine granularity of the nouns in WN We know that 72% of the nouns, 74% of the verbs, 68.9% of the adjectives, and 81.9% of the adverbs directly ... combines orthogonal sources of evidence to create a state -of- the-art system for the task of WSD disambiguation for AW Our approach yields an overall global F measure of 64.58 for the standard SV2AW ... tag of ”U” in the gold standard for both baselines and our system 11 From an application standpoint, we not find the first sense baseline to be of interest since it introduces a strong level of...

Ngày tải lên: 17/03/2014, 00:20

... ESSENTIALS OF RESEARCH DESIGN AND METHODOLOGY of problem-solving research is often conducted in corporate and professional settings, primarily because the results of these types of research studies ... aspects of research design and methodology For those readers with an advanced knowledge of research design and methodology, this book can be used as a concise summary of basic research techniques and ... formulation of research problems, the development of testable hypotheses, the identification and operationalization of independent and dependent variables, and the selection and assignment of research...

Ngày tải lên: 03/06/2014, 01:59

... of rehabilitation settings – rehabilitation hospitals and units, SNFs, LTCHs, and HHAs It is often too expensive and unfeasible to evaluate costs and benefits of rehabilitation across sites of ... Rehabilitation and Research (NCMRR) within the National Institute of Child Health and Human Development (NICHD) and the CMS [2] Participants identified a number of research priorities, including a randomized ... payment, and effectiveness of rehabilitation services that are of the highest priority for investigation The activities of the symposium were designed to help formulate a research and policy agenda and...

Ngày tải lên: 19/06/2014, 10:20

... received by their destination and number of lost packets is zero The null amount of lost ratio in presence of the ACFNC model provides evidence for strong ability of the model to prevent DoS attacks ... Comparison The impact of the ACFNC model on delay of the TCP and UDP packets are presented in Figures 9(a) and 9(b), respectively As the above results show, regardless of the type of traffic or the models, ... disabled throughout the communications The TCP and UDP results show that delay of the ACFNC model and standard model have the same pattern and level of variations This proves that the four bytes...

Ngày tải lên: 21/06/2014, 05:20

... power profiling and debugging of sensor nodes It is designed for empirical measurements of energy consumptions accross decades of current draw and facilitates easy score-keeping of energy consumption ... present the foundation of our energy harvesting framework 4.1 Overview of Energy Sources This section highlights some common sources of energy harvesting [4]: Figure 2: Photo of a fully functional ... on the input of the ADC (the maximum input voltage of ADC4 of the MSP430) 5.2 Environment Emulator: Software We already know that the capacitance (stated in terms of the amount of charge (Q)...

Ngày tải lên: 21/06/2014, 11:20

... performance and that of the standard facto 802.15.4 MAC and the BSN-MAC is portrayed BSN-MAC has been selected as a reference benchmark for its similarity in terms of design as well as structure, and ... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of the ... Daly, A Chandrakasan, and W Dehaene, “Energy efficiency of the IEEE 802.15.4 standard in dense wireless microsensor networks: modeling and improvement perspectives,” in Proceedings of the IEEE Design...

Ngày tải lên: 21/06/2014, 11:20

... number of received bits) PER = Number of received packets with at least one error + Number of partial packets received Total number of received packets PLR = Number of packets sent − Number of packets ... Door Handle) (Inside Door Handle) (Inside Door Handle) (Inside Door Handle) (On Centre of Dash Board) (In the Trunk) (Under Driver’s Seat) 10 (Under Hood, Drivers Side) 11 (Under Hood, Bottom of ... monitoring system,” in Proceedings of the IEEE Radio and Wireless Symposium (RWS ’08), pp 775–778, Orlando, Fla, USA, January 2008 P Casey, Design and implementation of a cross-platform sensor network...

Ngày tải lên: 21/06/2014, 18:20

... denoted by ·T and ·H IM is the identity matrix of size M and 0M is an M-dimensional vector of zeros The Euclidean ( ) norm of a vector a is denoted by a and the Frobenius norm of a matrix A ... and channel multiplexing as well as the coding and modulation scheme 3.3.1 Framing and Channel Multiplexing The physical resources are organized in frames of OFDM symbols One frame consists of ... transmission of labels (in the form of time and frequency mappings on the radio resource) each of which carry different types of traffic throughout the mesh network according to pre-defined quality -of- service...

Ngày tải lên: 21/06/2014, 18:20

... developed and deployed using the aforementioned toolkit All the developed software is released under a BSD License [8, 9] and is made freely available to the research community to expand and modify ... cases are presented and discussed in Section Finally, Section draws the conclusions pointing out current and future research directions Platform Design Choices and Trade-offs In order to deliver ... Hardware Platforms In designing a WMN, several issues, ranging from platform selection and node deployment to the selection of a suitable software framework for an efficient and useful testbed operation,...

Ngày tải lên: 21/06/2014, 23:20

... delay of the cth cluster, and τ c,l is the delay of α(c, l) relative to Tc According to (1), the total number of clusters is C + and the total number of channel taps is L + Both cluster arrival and ... Scottland, June 2007 [7] K.-B Png, X Peng, and F Chin, “Performance studies of a multi-band OFDM system using a simplified LDPC code,” in Proceedings of the International Workshop on Ultra-Wideband ... Japan, May 2004 [8] T.-H Tan and K.-C Lin, “Performance of space-time block coded MB-OFDM UWB systems,” in Proceedings of the 4th Annual Communication Networks and Services Research Conference (CNSR...

Ngày tải lên: 22/06/2014, 06:20

... Thanks to this modification and to the growing advertisement of the contest, the number of participants and uploaded attacked images increased alot At the end of the first phase of the contest, 72074 ... following results: PSNR of the image Strawberry = 39.67 dB, PSNR of the image Wood Path = 39.65 dB, and the PSNR of the image Church = 38.45 dB By analyzing the hall of fame at the end of the first phase, ... session of Security, Steganography, and Watermarking of Multimedia Contents IX conference, held in January 2007 [5, 13–17] 4.2 Quality of attacked images Concerning the evaluation of the quality of...

Ngày tải lên: 22/06/2014, 19:20

... internal architecture, number and size of the internal data paths, type and bandwidth of the external memory interface, number and precision of functional units, and cache architecture all play ... mean and standard deviation of the leaf operands are profiled as well as their maximum absolute value Stimuli data is used to generate a scaling of program variables, and hence leaf operands, ... determined from the maximum and minimum values of the source operands The process is tedious and requires the designer to bring in his knowledge about the system and specify a set of constraints Some...

Ngày tải lên: 22/06/2014, 19:20

... result allows gaining a more in-depth understanding of the MAC protocol dynamics and it leads to the design of a simple and effective optimization of the backoff algorithm, it is not easily extendible ... transmission and reception events The firmware was realized in such a way to maintain the maximum possible level of abstraction and to minimize the software redesign in case of change of the development ... protocol guarantees an optimal spreading of the channel access independently of the network contention level and of the number of retransmissions The adaptability of the AOB scheme to the channel noise...

Ngày tải lên: 22/06/2014, 22:20

... attendance of all team members during the protocol design The regular attendance and high interest in evidence- based medicine resulted in rapid development of a protocol and integration of evidence- based ... group research The unique feature of the present study is the description of the process undertaken to implement a MDT-driven extubation protocol and what we felt was the best application of evidence- based ... Protocol compliance, and responses of the MDT and other clinical team members were recorded Data on duration of MV, duration of ICU stay and the rate of reintubation were collected Safety During...

Ngày tải lên: 12/08/2014, 18:21

... common in computer applications One of the most difficult workloads for file system designs to handle efficiently is found in of ce and engineering environments Of ce and engineering applications tend ... areas of cost and capacity rather than performance There are two components of disk performance: transfer bandwidth and access time Although both of these factors are improving, the rate of improvement ... us to understand the effects of random access patterns and locality, both of which can be exploited to reduce the cost of cleaning The simulator models a file system as a fixed number of 4-kbyte...

Ngày tải lên: 12/09/2012, 15:05

... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of ... SOFC BOP system (S/C=1.7, O/C=0.3, fuel utilization = 64.2%, electrical conversion efficiency = 44%) Design of SOFC BOP components The BOP components of a SOFC system account for between 50% and ... provided by the anode off-gas given an anode off-gas temperature of less than 650 oC, a cathode off-gas temperature of less than 390 oC, and a flame barrier temperature of less than 700 oC However,...

Ngày tải lên: 05/09/2013, 16:10