... S-parameters for the planar Marchand balun Inset shows magnitude of the electric field in the balun 99 Figure 5.8 Layout of the coupled microstrip line phase shifter, with all dimensions in millimeters ... that the device is electrically small The relative dielectric constant of the ferroelectric thin film can be calculated given the geometry of the IDC, the thickness of the ferroelectric thin film, ... material, the physical dimensions of the CPW transmission line and the measured phase delay of the CPW line, the 32 dielectric constant of ferroelectric thin film can be determined using equations...
Ngày tải lên: 10/09/2015, 08:40
... Overcome the design challenges by locally increasing the thickness of the substrate in the coupled line area of the quadrature Magic-T A thinner substrate will result in a width of the coupled line in ... illustrates the amplitude and phase changes of the signals in part A The vectors at the top of the figure correspond to the signals flowing in the upper branch of the circuit The vectors at the bottom of ... the direction of wave propagation The polarization of uniform plane waves is defined as the direction of the time varying behavior of the electric field intensity vector, E, at some fixed point...
Ngày tải lên: 30/09/2015, 10:11
Tài liệu Category 6 and 5e Dynamic Angle Right/Left Patch Panels pptx
... sales office locations, please refer to our web site ADC Telecommunications, Inc., P.O Box 1101, Minneapolis, Minnesota USA 55440-1101 Specifications published here are current as of the date of ... trademark of ADC Telecommunications, Inc Web Site: www.adc.com From North America, Call Toll Free: 1-800-366-3891 • Outside of North America: +1-952-938-8080 Fax: +1-952-917-3237 • For a listing of ... notice At any time, you may verify product specifications by contacting our headquarters office in Minneapolis ADC Telecommunications, Inc views its patent portfolio as an important corporate asset...
Ngày tải lên: 24/01/2014, 11:20
Tài liệu Báo cáo khoa học: The Alzheimer b-peptide shows temperature-dependent transitions between left-handed 31-helix, b-strand and random coil secondary structures doc
... important role in peptide aggregation Figure also includes the Tm values obtained by the two state interpretation of the CD data These values of Tm appear to fall near the minima of the / angle ... peptides The amount of PII-helix, hPII, in the peptides is strongly temperature dependent, and the temperature dependence varies within the peptide group From the tting of hPII according to the linearized ... secondary structure of the Ab-peptide shows that the PII content of the full length peptide should be % 40% at low temperature and predominantly in the N-terminal half of the peptide [14] The PII-helix...
Ngày tải lên: 20/02/2014, 01:20
transmission line matrix (tlm) in computational mechanics - d. de cogan, et al., (crc, 2006) ww
... electromagnetic theory Their most important property in this context is the introduction of a time-delay for signals travelling between points in the electrical network The distribution of mesh points in the ... added to the outgoing wave, there is a doubling of the displacement One way of thinking of the action of such boundaries is that there is a virtual wave beyond the boundary that comes in to the real ... to the real string at the boundary point, superposing on the existing wave in the string approaching the boundary This virtual wave is a mirror image of the outgoing wave, either inverted or not...
Ngày tải lên: 05/05/2014, 17:21
Báo cáo hóa học: " Efficient implementation of 90° phase shifter in FPGA" pptx
... forms the input to the coefficient add/sub block In Figure 2, the bit shifts are denoted by “ > > “ symbols and the input X(n) is represented in 14 bits Making use of the symmetric nature of the ... input is shown in Figure 15 adding one Here, we use a NOT gate for complementing and the carry of the tap adder is set instead of using an additional adder for adding one as shown in Figure The ... 140 MHz In order to test the performance of the architecture, it was tested with sinusoidal inputs of three different frequencies A 7, 13, and 20 MHz sine input was given at the input of the A/D...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo nghiên cứu khoa học: " FAST CALCULATING FORMULAS OF CURRENT PASSING THROUGH GROUNDING SYSTEM OF HIGH VOLTAGE SUBSTATION WHEN LIGHTNING STRIKES AT THE GROUNDING WIRE OF TRANSMISSION LINE" pps
... CALCULATING THEORY 2.1 Impedance From [6]-[7], in case of open-ended grounding wire line, we get the Thevenin impedance (seeing from the position that lightning strikes to the end of the grounding ... 01 is the Thevenin impedance of the grounding wire of transmission line (seeing from the position that lightning strikes to the first substation) in case of open-ended grounding wire line at ... is the elementary impedance of T -circuit equivalent to the right of the position that lightning strikes (Ω) Z th 02 is the Thevenin impedance of the grounding wire of transmission line (seeing...
Ngày tải lên: 22/07/2014, 03:20
Báo cáo y học: "Acute pressure overload of the right ventricle. Comparison of two models of right-left shunt. Pulmonary artery to left atrium and right atrium to left atrium: experimental study" doc
... is anticipated that the minor fall of PO2 and the minor increase of PCO2 will not influence saturation because of the morphology of the oxygen-hemoglobulin dissociation curve The discrepancy between ... transplantation procedure because of the dysfunction of the right ventricle of the graft [9] Dysfunction of the right ventricle (RV) can occur in a number of clinical scenarios, including pressure overload, ... comparisons were performed using the method of Tukey critical difference To indicate the trend in the first 20 minutes of intervention, the median percentage changes after 10 and 20 minutes respectively...
Ngày tải lên: 10/08/2014, 09:22
Broadband phase shifter design for phased array radar systems
... extend the bandwidth, the parasitics of the switching components are absorbed rather than avoided in the FET-integrated designs The ON state of the FET can be modeled by a small resistor and the OFF ... for the HP network and the π-topology is chosen for the LP network to minimize the number of inductors The corresponding insertion loss and insertion phase of the two networks are shown in Fig ... shown in Fig 1.3 Two types of phase error are considered In the first type, the phase error PE of each phase state is assumed to be the same In the second type, the PE is assumed to be the same in...
Ngày tải lên: 12/09/2015, 09:21
Transmission line and and waveguide
... The solution will contain several unknown constants and the unknown cutoff wave number, kc Use (3.19) or (3.23) to find the transverse fields from hz or ez Apply the boundary conditions to the ... Laplace’s equation, for (x, y) The solution will contain several unknown constants Find these constants by applying the boundary conditions for the known voltages on the conductors Compute 𝑒 and ... harmonic fields with e-jt dependence and wave propagation along the z-axis The electric and magnetic field : Transverse components Longitudinal fields components Maxwell Equation Four Transverse Field...
Ngày tải lên: 07/12/2015, 02:26
Báo cáo hóa học: " Research Article Blind Deconvolution in Nonminimum Phase Systems Using Cascade Structure" pptx
... interior and outer of the unit circle If all zeros of a system are in the interior of the unit circle of complex plane, the system is minimum phase Submitting (6) in (5), we obtain H−1 (z) = c−1 ... an efficient algorithm for blind deconvolution Generally, the demixing model can be regarded as the inverse of mixing model According to the matrix theory, the inverse of H(z) can be calculated ... prior knowledge of source signals are unknown Similarly, these indeterminacies remain in the blind deconvolution problem Therefore the objective of blind deconvolution is to find a demixing model W(z)...
Ngày tải lên: 22/06/2014, 23:20
microwave circuit modeling using electromagnetic field simulation
... (Ansoft HFSS Ver 5.6.) and adds nothing to the electromagnetic treatment of the problem The field- solver, by default, will ignore the interior of the coaxial outer conductor (and the interior of ... the best strategy for integrating these tools into the design process? The best approach is to identify the key pieces of the problem that need the fieldsolver, and to the rest with circuit theory ... analysis of the input line and mitered bend in the presence of the package walls The number of unknowns, N is 360 (Sonnet em Ver 6.0) © 2000 CRC Press [15] microstrip line, the mitered bend and the influence...
Ngày tải lên: 04/07/2014, 05:48
Báo cáo sinh học: " Multivariate Bayesian analysis of Gaussian, right censored Gaussian, ordered categorical and binary traits using Gibbs sampling" pptx
... distribup tion of ψ For all of the parameters in Table I the value of ψ used for simulating ψ ψ data is included in the interval c0.025 ; c0.975 – except one of the thresholds Inferences concerning a ... avoid inverting the coefficient matrix C = Λ−1 of the mixed model equations θ The idea behind this joint sampling scheme is that a linear combination of normally distributed random variables again ... ψ, can be obtained integrating out all the other parameters, ψ\ϕ , including the augmented data The notation ψ\ϕ denotes ψ excluding ϕ Here, we wish to obtain samples from the joint posterior...
Ngày tải lên: 14/08/2014, 13:21
Supported group II transition metal catalysts in liquid phase reactions using borrowing hydrogen methodology 2
... declare that this thesis is my original work and it has been written by me in its entirety, under the supervision of Prof Stephan Jaenicke, (in the laboratory catalysis lab in S5-04-04 and S5-02-02), ... Department, National University of Singapore, between August 2008 and December 2012 I have duly acknowledged all the sources of information which have been used in the thesis This thesis has also not been ... for any degree in any university previously The content of the thesis has been partly published in: H H Liu, G K Chuah, S Jaenicke*, N-alkylation of amines by alcohols over alumina-entrapped Ag...
Ngày tải lên: 08/09/2015, 19:36
Supported group II transition metal catalysts in liquid phase reactions using borrowing hydrogen methodology 1
... previously introduced will also be removed In most cases, the metal remains in the form of an oxide During calcination, some other processes can also take place: (i) sintering of the precursor or of the ... N-alkylation of nitroarenes using alcohols Table 6-1 Textural properties of the catalysts in the self-coupling of benzyl amines tested Table 6-2 Self-coupling of benzyl amine in the presence of different ... versus the loading of silver (b) TOF based on the number of surface Ag atoms for conversion of aniline to secondary amine/imine at 120 oC as a function of average particle size of Ag in Ag/Al2O3...
Ngày tải lên: 09/09/2015, 10:14
Sự khác biệt giữa LEFT JOIN , RIGHT JOIN , INNERJOIN
... Hansen, Ola Sử dụng JOIN Ta sử dụng từ khoá JOIN để kết nối liệu từ hai bảng Ví dụ: INNER JOIN Cú pháp: SELECT cột_1, cột_2, cột_3 FROM bảng_1 INNER JOIN bảng_2 ON bảng_1.khoá_chính = bảng_2.khoá_ngoại ... hàng máy in: SELECT Employees.Name FROM Employees INNER JOIN Orders ON Employees.Employee_ID = Orders.Employee_ID WHERE Orders.Product = ‘Printer’ kết trả về: Name Hansen, Ola Product Printer Table ... hàng nào: SELECT Employees.Name, Orders.Product FROM Employees INNER JOIN Orders ON Employees.Employee_ID = Orders.Employee_ID INNER JOIN trả tất dòng hai bảng chúng tương ứng với Nếu có dòng bảng...
Ngày tải lên: 22/06/2013, 10:02
Báo cáo khoa học: An engineered right-handed coiled coil domain imparts extreme thermostability to the KcsA channel docx
... another reason for the scarcity of structural data, because of their negative effects on the diffraction quality of protein crystals Therefore, replacement of the original flexible interdomain linker ... in the samples The fractional tetramer content was calculated by dividing the integrated density of tetramer by the combined integrated densities of tetramer and monomer Model fitting of the thermal ... sequence (in italic) and ends at the ends of C-terminal tetramerization domains The different structural domains are indicated by the bars above the protein sequence The linker between the KcsA...
Ngày tải lên: 16/03/2014, 00:20
Báo cáo khoa học: "Left-to-Right Target Generation for Hierarchical Phrase-based Translation" doc
... implies that the hypothesis has covered all the foreign words Figure illustrates the decoding process for the derivation tree in Figure 1(b) Starting from the initial hypothesis of [1, 11], the stack ... presented in Section are rather low due to the limited size of the bilingual corpus, and also because of the linguistic difference of two languages As our future work, we are in the process of experimenting ... sentences The grammar size for the hierarchical phrase-based model will be further exploded, since there exists numerous combination of inserting holes to each rule The spuriously increasing grammar...
Ngày tải lên: 31/03/2014, 01:20
Báo cáo khoa học: "DETERMINISTIC LEFT TO RIGHT PARSING OF TREE ADJOINING LANGUAGES*" ppt
... next move of the parser is determined by reading at, the current input token and the state i on top of the sequence of stacks, and then consulting the parsing table entry for ACTION[i, a,] The parser ... move in TAGs with the pushdowns introduced above and below the current pushdown reflecting the tree structure to the left and right of the foot node of an auxiliary being adjoined The spine (path ... stars] is not on the spine of 8, star' consists of all the nodes in star that strictly dominate the dotted node When the dotted node is on the spine, stars' consists of all the nodes in star that...
Ngày tải lên: 31/03/2014, 18:20
From business strategy to IT action right decisions for a better bottom line
... Eliminating nonperforming and poorly performing existing IT resources from current spending Improving the performance of the remaining existing IT resources Implementing and following through on the ... management Choosing the right spend means, within the total of all spending, making the best choices about the detailed expenditures While “controlling spending” means keeping the total within the desired ... connect them using the NIE practices 12 DEFINE THE GOALS EXHIBIT 1.6 Strategy-to-Bottom-Line Value Chain Strategic IT Planning Annual IT Planning The Business Enterprise: Lines of Business, Departments...
Ngày tải lên: 09/04/2014, 12:15