direct sequence spread spectrum coded system
ultrasound imaging using coded signals
... 5.2 Binary sequences 5.3 Polyphase codes 5.4 Hadamard matrices 5.5 Sidelobe reduction for phase-encoded sequences 5.6 Disadvantages ... evaluation of coded imaging 91 7.1 Experimental setup 91 7.2 Phantom images with coded excitation 96 7.3 Clinical images with coded excitation ... heart Coded signals have been used successfully in other engineering disciplines such as radars and mobile communication systems It is therefore natural for one to ask for the reasons why coded...
- 228
- 256
- 0
Code Project Software project cost estimates using COCOMO II Model
... about 20% cost and 70% time estimate accuracy In general, COCOMO II estimates project cost, derived directly from person-months effort, by assuming the cost is basically dependent on total physical ... Comparing to classical COCOMO 81, COCOMO II introduces five scale factors, at least three of them are directly related to PM activities, and, thus, raises the role of project management in reducing...
- 12
- 297
- 0
Báo cáo hóa học: "Case-Control study of Firefighters with documented positive tuberculin skin test results using Quantiferon-TB testing in comparison with Firefighters with negative tuberculin skin test results" potx
... positive QFT values treated one of three ways: (1) excluded from analyses; (2) recoded as a positive response; and (3) recoded as a negative response to TB infection Analyses were also run according ... (LTBI) However, PPD testing does have limitations The predictive value of a positive test result is directly influenced by the prevalence of disease in a population [4] The level of nontuberculous ... the QFT, called the Quantiferon Gold QFT-TB Gold uses synthetic peptides based on the amino acid sequences of the TB-specific antigens CFP-10 and ESAT-6, as opposed to QFT-TB using tuberculin as...
- 7
- 360
- 0
Báo cáo hóa học: "Research Article Multiplicity Results Using Bifurcation Techniques for a Class of Fourth-Order m-Point Boundary Value Problems" docx
... denoted by Σ as in Lemma 1.1 If Ha λ, v ≡ 0, then 3.7 becomes a linear system v λLa v 3.8 By Lemma 2.3, 3.8 possesses an increasing sequence of simple eigenvalues < λ1 < λ2 < · · · < λk < · · · , with ... · · < ηm−2 < 1, 1.4 and αi > for i 1, , m − satisfying 1.2 He obtained some results on the spectrum of the linear operator corresponding to 1.1 It should be pointed out that the main tool ... without loss of generality, assume that Ck meets λi , with λk / λi ∈ σ La Then there exists a sequence ξm , zm ∈ Ck with ξm → λi and zm → as m → ∞ Notice that zm ξm La zm H ξm , zm 3.14 o zm...
- 20
- 202
- 0
Báo cáo hóa học: " Assembly of Silver Nanoparticles into Hollow Spheres Using Eu(III) Compound based on Trifluorothenoyl-Acetone" doc
... average size of 21.5 and 425.2 nm by transmission electron microscope (TEM) and UV–Vis absorption spectrum, respectively In the second step, the silver colloidal TFH solution with a concentration ... planes of cubic silver, indicating the hollow spheres containing crystal Ag The UV–Vis absorption spectrum of the silver hollow spheres and pure Eu(TTA)3 Á 2H2O in THF solution are compared in Fig...
- 5
- 422
- 1
RAPID PROTOTYPING OF EMBEDDED SYSTEMS USING FIELD PROGRAMMABLE GATE ARRAYS potx
... Compared to desktop and server systems, embedded systems contain a larger range of processing power The price of the system is constrained for embedded systems, unlike desktop systems, and it is a key ... EMBEDDED SYSTEMS 63 Rapid System Prototyping 64 Prototyping of Embedded Hardware and Software Systems 69 CHAPTER 74 BOARD-LEVEL RAPID PROTOTYPING OF EMBEDDED SYSTEMS ... 92 EMBEDDED SYSTEM DEVELOPMENT 92 Embedded System Design 95 Altera DE2 Board 95 USB and Embedded Operating System 96 Choosing an Embedded Operating System ...
- 175
- 284
- 0
Digital Systems Design and Prototyping: Using Field Programmable Logic and Hardware Description Languages pot
... input sequence classifier and recognizer is used to demonstrate the use of VHDL in digital systems design that are easily implemented in FPLDs As the system contains a hierarchy of subsystems, ... in FPLDs This book focuses on digital systems design and FPLDs combining them into an entity useful for designers in the areas of digital systems and rapid system prototyping It is also useful ... of computer systems using FPLDs Rapid prototyping systems composed of programmable components show great potential for full implementation of microelectronics designs Prototyping systems based...
- 633
- 323
- 0
Báo cáo khoa học: "Mortality prediction using SAPS II: an update for French intensive care units" doc
... reports of scoring systems for evaluating disease severity in ICU patients, many studies conducted in widely diverse ICUs and countries have highlighted the limitations of these systems for evaluating ... classification system Crit Care Med 1985, 13:818-829 Knaus WA, Wagner DP, Draper EA, Zimmerman JE, Bergner M, Bastos PG, Sirio CA, Murphy DJ, Lotring T, Damiano A, et al.: The APACHE III prognostic system ... evaluating databases different from the ones in which they were developed In addition, published scoring systems were developed many years ago (nearly 20 years for Acute Physiology and Chronic Health Evaluation...
- 8
- 275
- 0
Báo cáo y học: "Misdiagnosis and undiagnosis due to pattern similarity in Chinese medicine: a stochastic simulation study using pattern differentiation algorithm" pdf
... in the following sequence Firstly, a stochastic computational simulation based on Monte Carlo method [34,35] was implemented for patient simulation from ZFSP in a dataset In sequence, simulated ... Cheng Y: A self-learning expert system for diagnosis in traditional Chinese medicine Expert Syst Appl 2004, 26:557-566 27 Zheng N, Wu Z: TCM-SIRD: an integrated aided system for traditional Chinese ... Huang MJ, Chen MY: Integrated design of the intelligent web-based Chinese Medical Diagnostic System (CMDS): systematic development for digestive health Expert Syst Appl 2007, 32:658-673 30 Ferreira...
- 13
- 272
- 0
Automation integration for Taiwan countrychicken farm management using field server
... than constructing an organized automation system The original manually operated curtain system used on the farm needed to be transformed into an electrical system driven by motors and incorporating ... curtain, watering and feeding systems Wireless multimedia sensor network technology (WMSN) (Akyildiz, et al., 2007) can help farms construct an organized automation system to achieve both local ... outside play ground Figure Curtains system of chicken house Thereafter, all push-button operated devices, including ventilation fan, cooling equipment, curtain system, and so on, were connected...
- 8
- 154
- 0
A simulation by using cohesive zone model for indentation test in thin film substrate systems
... film/substrate systems have a viscoelasticity behavior, therefore the simulation results might be different from the experimental results made on the low-k/Si system as for the low-k/Si system Both ... the normal (along the local 3-direction in three dimensions and along the local 2-direction in two dimensions) and the shear traction (two along the local 1- and 2-directions in three dimensions ... load- penetration curve for thin film system with the thickness of 0.7 μ m ………………………60 Fig 4-16 The FEM simulated load- penetration curve for thin film system with the thickness of 0.8 μ m ………………………61...
- 98
- 376
- 0
MECHANICAL ANALYSIS OF HUMAN LUMBAR FACET JOINT AFTER ARTIFICIAL DISC REPLACEMENT (ADR) USING PRODISC II
... Zygapophysial mechanical joint system 21 Figure 15: Two experimental follower load guiding systems (Design & 2) 24 Figure 16: Fabricated follower load guiding system attached to cadaveric ... transmission system to the spine XX Figure 77: Trial Setup to simulate the force transmission system to the spine XX Figure 78: Finalized Setup to simulate the force transmission system ... follower preload systems to simulate the physiological loading of the lumbar spine 26 Figure 18: Lumbar spine equipped and mounted on the MTS testing machine with the follower preload system, markers...
- 153
- 873
- 0
Interconnection of electrodes using field emission induced growth of nanowires
... nanotubes are aligned along the electric field direction Source: Dai et al (2002) Oon et al (2004) demonstrated that it is possible to grow a metallic nanowire directly from another nanowire (in the ... structure of a solid; (B) confinement by a liquid droplet as in the vapor-liquid-solid process; (C) direction through the use of a template; (D) kinetic control provide by a capping reagent; (E) self-assembly ... suspended by silicon structures (bright regions) The nanotubes are aligned along the electric field direction Source: Dai et al (2002) Figure 1.4 A nanowire was grown via FEIG and was allowed to straddle...
- 102
- 218
- 0
AN1206 sensorless field oriented control (FOC) of an AC induction motor (ACIM) using field weakening
... nonvolatile memory and analog products In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified 2008 Microchip Technology Inc DS01206A-page ... field weakening block The magnetizing current is adjusted as a speed function so that the control system limitation described previously is avoided The BEMF steady state amplitude value, which depends ... for an additional flux controller Instead, the output of the field weakening block is connected directly to the current controller • Having at any time the possibility to react on load change...
- 16
- 385
- 0
microwave circuit modeling using electromagnetic field simulation
... 68000 1981 – IBM announces the personal computer 1982 – Sun Microsystems is founded 1987 – Sun introduces its first SPARC-based system with 10-MIPs performance – Symmetrical condensed TLM node ... traditional hierarchy of construction for RF systems has been chip device, mounted to leaded package, mounted to printed circuit board located in system cabinet or housing Today however, the ... details are, the problem remains to transfer a signal from the outside world into the system, onto the main system board, through the package, and into the chip And, of course, there is an analogous...
- 488
- 730
- 0
NUMERICAL SIMULATION OF CONTACT LINE PROBLEMS USING PHASE FIELD MODEL
... algorithm, applicable to sparse systems that are too large to be handled by a direct implementation or other direct methods such as the Cholesky decomposition In our linear systems from the semi-implicit ... , zi+1 ] on the computational domain We denote the length of the unit cell along x direction, y direction, z direction as ∆x, ∆y and ∆z, respectively 2.3.1 Finite volume method for the continuity ... to many other areas, such as multi-phase systems The phase field model is a continuum thermodynamical model The key point in the interfacial dynamical system is how to characterize the boundary...
- 80
- 316
- 0
DEVELOPING, USING AND ANALYZING THE RESULTS OF INTERVIEWS TO DETERMINE THE FEELINGS OF FOREIGN TOURISTS ON THEIR VISIT TO VIET NAM
... quality of tour guide in Vietnam is: Your search information about Vietnam by: Do you often use a system of tourism information when you travel in Vietnam? 10.Is it easy for you to approach the ... Vietnam? 18.What is Vietnamese food you like most? 19.What is your appreciation about transportation system in Vietnam? 20.Have you ever gone shopping in Vietnam or Hanoi? 21.Where is the place you...
- 31
- 1,149
- 0
Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
... this when designing the system, since different seasons and/or injection rates will result in different borehole thermal resistances, which changes the efficiency of the system In today’s design ... large difference between the two boundary conditions may result in incorrect BHE system design and a less efficient system Figure The average thermal resistance in the borehole water for the two ... T.L., Direct application of geothermal energy: 2005 Worldwide review Geothermics 2005, 34, pp 691-727 [2] International ground source heat pump association Closed-Loop/Ground-Source Heat Pump Systems...
- 12
- 371
- 0
QUARTUS II INTRODUCTION USING VERILOG DESIGN
... Directory, Name, TopLevel Entity • You can choose any directory name if you prefer If we have not yet created the directory of the project, Quartus II asking if it should create the desired directory ... Quartus II works on one project at a time and keeps all information for that project in a single directory (folder) Quartus II Project –New Project Select File > New Project Wizard New Project ... create a new project and preliminary project settings, including the following: • Project name and directory • Name of the top-level design entity • Project files and libraries • Target device family...
- 82
- 610
- 6
Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu