design of a pcm system
ultrasound imaging using coded signals
... potential advantages of such ”coded” signals are two: a) an increase in penetration depth and/or an increase in signal-to-noise ratio (SNR), and b) an increase in frame rate Both signal-to-noise ratio ... complex notation is only an approximation [1] In the rest of the analysis, it is assumed that the exponential signal is a good approximation of the analytic signal, an assumption that is reasonable ... for a linear FM signal with a time-bandwidth product of 20 The modulation function µ(t) has a rectangular envelope and a quadratic phase As it will be derived in Chapter 4, this signal has an approximate...
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Code Project Software project cost estimates using COCOMO II Model
... for data mining of genetic information, intends to construct a distributed application for analysis and navigation of biological networks As part of this project, a database provider that exposes ... setting analyst capabilities parameter to lower value (ACAP, analyst capabilities is low) Finally, the pictures and taken from Costar project show all COCOMO II cost drivers and scale factors along ... handling in NET which will help you to create more robust software • Design Patterns Implementation in a Storage Explorer Application A design patterns approach for designing and explaining a...
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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
... predictive values were calculated The nature of the data collected provided for a matchedpair analysis, as each subject has had both a TBST and a QFT Utilizing the discordant pairs (a matched pair in ... and preparation of the study They also actively participated in the data collection process JF performed the main writing of the proposal, IRB approval, data collection, data analysis, and writing ... selected from among volunteers who were having their blood drawn as part of their annual medical evaluations Page of (page number not for citation purposes) Journal of Occupational Medicine and Toxicology...
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Báo cáo hóa học: "Research Article Multiplicity Results Using Bifurcation Techniques for a Class of Fourth-Order m-Point Boundary Value Problems" docx
... and J R L Webb, “Solvability of m-point boundary value problems with nonlinear growth,” Journal of Mathematical Analysis and Applications, vol 212, no 2, pp 467–480, 1997 C P Gupta, A generalized ... satisfies 3.14 As in the proof of Lemma 3.4, we may assume without loss of generality that zm / zm → z and ξm → ξ as m → ∞ Then we have z ξLa z 3.20 Since z / 0, ξ / is an eigenvalue of operator ... ∞ and / v ∈ E such that v μLv, μ is said to be a real characteristic Boundary Value Problems value of L The set of real characteristic values of L will be denoted by σ L The multiplicity of...
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Báo cáo hóa học: " Assembly of Silver Nanoparticles into Hollow Spheres Using Eu(III) Compound based on Trifluorothenoyl-Acetone" doc
... 2–5 layers of silver nanoparticles aggregate Typical electron diffraction pattern image of Ag nanoparticles is also shown in Fig 1c, which shows growing parallel to (111), (200), and (220) planes ... Eu(TTA)3 Á 2H2O complex according to the literature [16] The morphology and size of silver nanoparticles and the surface plasma on resonant absorption peak are determined to be sphere with an average ... concentration of 6.34 10-4 M was obtain and added to be mmol free Eu(TTA)3 Á 2H2O complex After this, centrifuging (3,000 rpm) gave a brown acetone/water precipitate, and supernatant solution containing...
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RAPID PROTOTYPING OF EMBEDDED SYSTEMS USING FIELD PROGRAMMABLE GATE ARRAYS potx
... hardware Embedded system design can be broken down into two main parts, hardware and software The hardware aspect of the design is implemented using hardware packages, hardware description language ... These basic cells are arranged into single-column or dual-column arrays Each array is created on a chip that contains basic cells arranged into an array and I/O pads The logical implementation ... creation of transistors and gates at the appropriate locations It is one of the design based parameters for chip fabrication As the chip design varies, the appropriate masks have to be created...
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Digital Systems Design and Prototyping: Using Field Programmable Logic and Hardware Description Languages pot
... capacity requires a different approach, more similar to Mask-Programmable Gate Arrays (MPGAs) that are the highest capacity general-purpose logic chips As a MPGA consists of an array of prefabricated ... switch occupies a larger area and exhibits much higher parasitic resistance and capacitance than a typical contact used in a custom MPLDs Additional area is also required for programming circuitry, ... Any programmable switch (EPROM, pass-transistor, or antifuse) has a significant resistance and capacitance Each time a signal passes through a programmable switch, another RC stage is added to...
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Báo cáo khoa học: "Mortality prediction using SAPS II: an update for French intensive care units" doc
... established at ICU admission Materials and methods We used the data entered between January 1998 and 31 December 1999 into the national healthcare database, which compiles standardized data on all ... of intensive care unit patients JAMA 1993, 270:2478-2486 Knaus WA, Harrell FE, Fisher CJ Jr, Wagner DP, Opal SM, Sadoff JC, Draper EA, Walawander CA, Conboy K, Grasela TH: The clinical evaluation ... developed many years ago (nearly 20 years for Acute Physiology and Chronic Health Evaluation [APACHE] II [16] and 10 for SAPS II [4] and APACHE III [17]) To improve the performance of available scoring...
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Báo cáo y học: "Misdiagnosis and undiagnosis due to pattern similarity in Chinese medicine: a stochastic simulation study using pattern differentiation algorithm" pdf
... (simulation of manifestation profiles; cutoffestimation for N %; pattern identification with F% and N %-cutoff of simulated cases; and statistical analysis) Additionally, MPSA and PDA are composed ... dataset used for simulation of manifestation profiles as follows Data entry and hypotheses generation After data entry of manifestations (either by MPSA or a human expert), PDA searched with a ... ZFSP according to the Four Examinations as well as the assignment of new manifestations and identification of contemporary patterns Clinically, a patient’s manifestation profile is a subset of all...
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Automation integration for Taiwan countrychicken farm management using field server
... calibrate the ammonia sensing device used in the system The camera continually records the variance of the ammonia concentration in the box placed in a remote open area to avoid toxic gas hazards ... illustrates images of the remote activity conducted on the farm Figure 10(c) illustrates the charts of sensor data of a specific period (a) Sensor data (b) Images of the farm (c) Periodic data charts ... disabled, for example rat damage which some farm IAALD AFITA WCCA2008 WORLD CONFERENCE ON AGRICULTURAL INFORMATION AND IT 145 managers complained of such problems frequently impeding the operation...
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A simulation by using cohesive zone model for indentation test in thin film substrate systems
... Therefore, the shape of the traction-separation law may also have a significantly effects on the crack initiation and propagation processes Recent numerical simulations by Chandra et al [34] also discovered ... fracture mechanism of the interface by a local stress-displacement relationship The FEM software ABAQUS has two analysis procedures, one of which is ABAQUS/Explicit and the other is ABAQUS/Standard ... that researchers can predict crack propagation in many media using fracture mechanics theory, such as the theory of Griffith’s fracture for an ideal elastic material [16] Linear elastic fracture...
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MECHANICAL ANALYSIS OF HUMAN LUMBAR FACET JOINT AFTER ARTIFICIAL DISC REPLACEMENT (ADR) USING PRODISC II
... intersegmental and interfacetal angulations and translations Feasibility test of the vicon cameras capture and the mathematical program using a sawbone model Design, Fabrication and Testing of follower load ... intersegmental (intervertebral) and interfacetal angulations and translations The aim of this step was to develop a mathematical derivation of the Joint Coordinate System (JCS) based on the International ... Shimadzu MobileArt X-Ray machine + lumbar spine AP & Lateral xray images (Right) PRELIMINARY BASE-LINE STUDIES 5.1 Radiographic analysis of facet joint and intersegmental motion after Artificial...
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Interconnection of electrodes using field emission induced growth of nanowires
... suggests a formation of a conical supporting structure at the base of the nanowire as well the formation of a nanowire with a diameter that grows at a much smaller rate than its length Results of simulation ... bias was used, it is also possible to make use of an AC bias as demonstrated by Islamshah et al (2002), who claimed that an AC bias provides a higher yield Figure 2.1 (a) Pt electrodes separated ... approximating the area occupied by rays of electrons For the purpose of discretizing the data from rays obtained from the simulation data into manageable amounts, the area between the cathode and anode...
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AN1206 sensorless field oriented control (FOC) of an AC induction motor (ACIM) using field weakening
... WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE THE COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, ... FOR ANY REASON WHATSOEVER All of the software covered in this application note is available as a single WinZip archive file This archive can be downloaded from the Microchip corporate Web site at: ... designed for a constant power region, which takes into consideration the motor parameter’s constant; therefore, an adaptation function was designed to consider the variation of the parameter’s value...
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microwave circuit modeling using electromagnetic field simulation
... impedances and electrical lengths The software might use a Y-matrix, a cascade of ABCD parameter blocks, or a cascade of S-parameter blocks for the actual analysis At the ports, we typically ask ... other areas Still, when I started this project my goal was to have a balanced number of examples from each of the major software packages This was perhaps a worthy but not very practical goal The ... Layout Annotated Layout (a) Schematic centric CAD (b) Layout centric CAD Figure 2.16 Two possible approaches to RF/microwave CAD: (a) a schematic centric approach, and (b) a layout centric approach...
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NUMERICAL SIMULATION OF CONTACT LINE PROBLEMS USING PHASE FIELD MODEL
... each of the three linear systems above It’s easy to derive another nice property of matrices, A1 , A2 , and A3 That is matrices A1 , A2 , and A3 are positive definite 2.3.4 Standard conjugate gradient ... wide industrial applications such as material processing, manufacturing, boiling, storage, and management of liquids [43] A number of formulations of the phase field model are based on a free energy ... significantly save time It’s easy to check that the matrices A1 , A2 , and A3 are symmetric and diagonally predominant Hence matrices A1 , A2 , and A3 are invertible There exists an unique solution in each...
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DEVELOPING, USING AND ANALYZING THE RESULTS OF INTERVIEWS TO DETERMINE THE FEELINGS OF FOREIGN TOURISTS ON THEIR VISIT TO VIET NAM
... Singapore, Laos, Cambodia, and Vietnam And the reason why the north American tourists come to Vietnam much more than before? Because, at this time, there is a presidential racing in America, and ... the quality of brochure? 13.What kind of accommodations you staying in Hanoi? 14.What did you think about the accommodation that you stayed in Hanoi? 15.Have you ever tasted some traditional foods ... was Accommodation facilities Quality of food Transportation Shopping, entertainment 10 Extra comments Hereafter is the questionnaire that we designed: QUESTIONAIRE Name:………………………………… Nationality:...
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Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
... (cTpw) and constant heat flux (cq"pw) The comparison was performed for average temperature values at the pipe and borehole wall as well as water thermal resistance It was shown that for total heat ... sources The heat transfer becomes radial after a distance out in the bedrock (rradial) This un-radial heat flow in the water changes the heat transfer compared to using an equivalent radius model ... temperature in each simulation and are taken from a standard parameter table [10] All parameters are held constant during each ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2010 International...
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QUARTUS II INTRODUCTION USING VERILOG DESIGN
... Timing and Power Analysis Device Programming and Configuration Design Entry (1 of 2) The desired circuit is specified by: A schematic diagram A hardware description language, such as: Verilog ... Purpose: map the I/O signals of your design to the physical pins of selected FPGA Pin assignments are made by: • Assignment Editor (manual), or • Import a pin assignment from a special file format ... VHDL AHDL… Design Entry (2 of 2) Design Entry by a schematic diagram Design Entry by a hardware description language Synthesis The entered design is synthesized into a circuit that consists...
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