the coupled microstrip lines are often used in microwave integrated circuits where couplers or filters have been realized within the ci

Tunable ferroelectric thin film devices for microwave applications

Ngày tải lên : 10/09/2015, 08:40

... transistor (FET)), and have large tunability In addition, they can be easily integrated with other circuits for example in monolithic microwave integrated circuits (MMICs) However, their linear ... from the quality factor of the capacitor The two important aspects of this method are the capacitor design and the capacitance measurement Although ferroelectric thin film capacitors have been ... resonator 2.2.3 Coplanar Resonator Method Microwave resonators are often used to facilitate the evaluation of the material properties Within this category, there are various kinds of resonators for...

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Vector sum phase shifter using a quadrature magic t for application in polarization control

Ngày tải lên : 30/09/2015, 10:11

... of the figure correspond to the signals flowing in the upper branch of the circuit The vectors at the bottom of the figure correspond to the signals that are flowing in the lower branch Depending ... declare that this thesis is my original work and it has been written by me in its entirety I have duly acknowledged all the sources of information which have been used in the thesis This thesis ... report the phase difference between the collinear ports when either the sum-port or the delta-port is excited However, the phase difference between the sum- and delta-ports when the collinear ports...

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Tài liệu Category 6 and 5e Dynamic Angle Right/Left Patch Panels pptx

Ngày tải lên : 24/01/2014, 11:20

... patent portfolio as an important corporate asset and vigorously enforces its patents Products orfeatures contained herein may be covered by one or more U.S or foreign patents An Equal Opportunity ... Telecommunications, Inc., P.O Box 1101, Minneapolis, Minnesota USA 55440-1101 Specifications published here are current as of the date of publication of this document Because we are continuously improving our ... reserves the right to change specifications without prior notice At any time, you may verify product specifications by contacting our headquarters office in Minneapolis ADC Telecommunications, Inc...

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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

Ngày tải lên : 20/02/2014, 01:20

... is the intrinsic statistical weight for a residue to be in PII conformation r is a cooperativity coefcient The factor rs is then the statistical weight for a residue PII conformation following ... preferences are indicated by the varying / angles for the residues A smaller negative / indicates PII-helix and a larger negative / indicates b-strand conformation The studies of the 3JHNHa couplings in ... 146) The PII-helix differs from PI in the x-torsion angle, where PII is all trans peptide bonds There are no interresidual hydrogen bonds stabilizing the PII structure The stabilizing factor is...

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transmission line matrix (tlm) in computational mechanics - d. de cogan, et al., (crc, 2006) ww

Ngày tải lên : 05/05/2014, 17:21

... lines meeting at each node, and the scattering algorithm gives, for an incident pulse f in one of the lines, a transmission of f/2 to the other three lines and a reflection of -f/2 in the incident ... determine the effort variable In either case, the boundary constraint may be constant or varying with time In all cases, the primary constraint will be either on the effort or on the flow, specifying ... variable is the sum of the incident and reflected pulse in each line (see Equation [2.9]), whereas the net flow into the node from each line is the incident minus the reflected pulses divided by the...

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Báo cáo hóa học: " Efficient implementation of 90° phase shifter in FPGA" pptx

Ngày tải lên : 21/06/2014, 01:20

... 2-12 0 h(13) the response is close to the infinite precision frequency response The number of taps as well as the digits in the CSD is kept minimum for efficient hardware implementation The number ... algorithm in [11] from MATLAB The frequency response of the Hilbert transform with infinite precision coefficients and CSD coefficients are shown in Figure and they agree with each other Hardware architecture ... 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...

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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

Ngày tải lên : 22/07/2014, 03:20

... 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 ... the position that lightning strikes to the end of the grounding wire line in case of open-ended grounding wire or the end of the grounding wire connecting with the grounding system impedance of ... transmission line as follows: (i) We determine the Thevenin impedance (seeing from the position that lightning strikes to the substations) in case of open-ended grounding wire line at the substations,...

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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

Ngày tải lên : 10/08/2014, 09:22

... 3940/6-10-2008) in Athens All animals used in this study were treated according to the “Guide for the care and use of Laboratory animals” published by the US National Institutes of Health (National Institutes ... 0.05) It 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 ... percentages for categorical data The Kolmogorov - Smirnov test was utilized for normality analysis of the parameters The comparison of variables at each time point was performed using the Independent...

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Broadband phase shifter design for phased array radar systems

Ngày tải lên : 12/09/2015, 09:21

... to the low Q of the inductors and capacitors in MMICs Therefore, integrated amplifiers, which limit the linearity of the circuits, need to be added into the time delay networks to compensate for ... is assumed that the even- and odd-mode velocities of the RF signal are the same in the original design Therefore, the topology was implemented in striplines For microstrip lines, the Schiffman ... [31]-[33] To minimize the circuit area and to 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...

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Transmission line and and waveguide

Ngày tải lên : 07/12/2015, 02:26

... (3.21) or (3.25), for hz or ez 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 ... Stripline Microstrip Line The Transverse Resonant Technique 10 Wave Velocities and Dispersion Rectangular Waveguide 32  Earliest type of transmission line  Use for couplers, detectors, isolators, ... obtained by solving Laplace’s equation: The boundary condition for : There is no variation in x, the solution is: Electromagnetic Field for TEM Mode 21 TM Mode 22 TM mode solution can be obtained...

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Báo cáo hóa học: " Research Article Blind Deconvolution in Nonminimum Phase Systems Using Cascade Structure" pptx

Ngày tải lên : 22/06/2014, 23:20

... H(z) In nonminimum phase system, the zeros locate in the 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 ... cascade form The filter decomposition is helpful to keep the demixing filter stable during training and to develop the natural gradient algorithm for training one-sided FIR filters The learning algorithms ... Similarly, these indeterminacies remain in the blind deconvolution problem Therefore the objective of blind deconvolution is to find a demixing model W(z) which satisfies the following condition:...

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microwave circuit modeling using electromagnetic field simulation

Ngày tải lên : 04/07/2014, 05:48

... utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher ... where the modeling process did not work correctly the first time and what was needed to correct the model In the cases where a bad solution was the result of a bug in the software I hope the vendors ... wave nature, specifications are often given in terms of scattering rather than impedance or admittance parameters prevalent in classical circuit and network theory The microwave engineer’s task...

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Báo cáo sinh học: " Multivariate Bayesian analysis of Gaussian, right censored Gaussian, ordered categorical and binary traits using Gibbs sampling" pptx

Ngày tải lên : 14/08/2014, 13:21

... associated with (2) In the following we outline a method for sampling from the fully conditional posterior distribution of R in the model associated with (2) for m4 ≥ (Note, if the number of binary ... distributed and Cij is the point of censoring of the jth trait of animal i The censoring indicator δ ij is one iff Uij is observed Uij ≤ Cij and zero otherwise ∆oj and ∆1j will denote the sets of ... 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 distribution...

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Supported group II transition metal catalysts in liquid phase reactions using borrowing hydrogen methodology 2

Ngày tải lên : 08/09/2015, 19:36

... 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 submitted for any ... hereby 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 ... 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...

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Supported group II transition metal catalysts in liquid phase reactions using borrowing hydrogen methodology 1

Ngày tải lên : 09/09/2015, 10:14

... place: (i) sintering of the precursor or of the oxide to form bigger aggregates, and (ii) reaction of the latter 10 with the support In fact, in case of alumina as the support, calcination at ... the mixing of precursors for the support and active metal together to obtain a clear gel Then water is added into the gel and the support precursor is hydrolysed to form a matrix structure The active ... Coprecipitation The soluble precursor components for both the support and the active phase are mixed, and co-precipitation occurs by adjusting the pH or by addition of other salts, acids or bases...

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Sự khác biệt giữa LEFT JOIN , RIGHT JOIN , INNERJOIN

Ngày tải lên : 22/06/2013, 10:02

... 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 họ đặt 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 ... đặt hàng máy in: SELECT Employees.Name FROM Employees, Orders WHERE Employees.Employee_ID = Orders.Employee_ID AND Orders.Product = ‘Printer’ kết trả về: Name Hansen, Ola Sử dụng JOIN Ta sử dụng...

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Báo cáo khoa học: An engineered right-handed coiled coil domain imparts extreme thermostability to the KcsA channel docx

Ngày tải lên : 16/03/2014, 00:20

... for joining the coiled coil fusion candidate to KcsA The indicator used by the program is the root mean square deviation of the overlapping atoms at the spliced site The coordinates of the best ... C-terminal tetramerization domains The different structural domains are indicated by the bars above the protein sequence The linker between the KcsA pore domain and GCN4 is underlined The tetramerization ... re-organized for online delivery, but are not copy-edited or typeset Technical support issues arising from supporting information (other than missing ﬁles) should be addressed to the authors...

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Báo cáo khoa học: "Left-to-Right Target Generation for Hierarchical Phrase-based Translation" doc

Ngày tải lên : 31/03/2014, 01:20

... constraint reordering Such reordering was realized either by an additional constraint for decoding, such as window constraints, IBM constraints or ITG-constraints (Zens and Ney, 2003), or by lexicalized ... 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 ... of the recipient from The Health and Welfare Ministry has decided to invoke the Disaster Relief Law in extending relief measures to the village and the city of Niigata The Health and Welfare...

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**Báo cáo khoa học: "DETERMINISTIC LEFT TO RIGHT PARSING OF TREE ADJOINING LANGUAGES*" ppt**

Ngày tải lên : 31/03/2014, 18:20

... stacks, and then consulting the parsing table entry for ACTION[i, a,] The parser keeps applying the move associated with ACTION[i, at] until acceptance or error occurs The following moves are possible: ... (rs6@doO The parser is coming to the right and below of the node at address dot in 6, say ri, on which an auxiliary tree has been adjoined The information identifying the auxiliary tree is in the ... trees adjoined on the spine of/~) has been completed has to be restored in the storage (note in a reduction move of any shift reduce parser for CFGs, any information about the rule used is discarded...

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From business strategy to IT action right decisions for a better bottom line

Ngày tải lên : 09/04/2014, 12:15

... from the alternatives Eliminating nonperforming and poorly performing existing IT resources from current spending Improving the performance of the remaining existing IT resources Implementing ... author shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, c onsequential, or other damages For general information on our other ... 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...

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