analysis of reflector antennas

... THE REGULARITY OF REFLECTOR ANTENNAS 301 terpart for convex functions due to the lack of the affine invariance property of the equation (1.2) and the fact that the geometry of cofocused paraboloids ... nonlinear PDE of Monge-Amp`re type e on S received attention from the engineering and numerical points of view because of its applications [Wes83] From the point of view of the theory of nonlinear ... field of inward normals of tangent planes to A is continuous, one concludes that A is of class C The proof is complete Corollary 6.3 If A is a weak solution in the sense of Definition 2.6 of the...

Ngày tải lên: 29/03/2014, 07:20

... Basic Formulation 20 2.4.2 Analysis of Loaded Wire Structures 27 2.4.3 Analysis of Wire Junctions 28 2.5 Progress of the TDIE Method 33 2.6 Conclusions 34 ii Analysis of Thin Wire Structures 36 ... ANALYSIS OF UWB ANTENNAS BY TDIE METHOD LI HUIFENG (B.Eng., Shanghai Jiaotong University) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ... characteristics of thin wire antennas The performance of thin wire dipoles and loop antennas with and without load are evaluated An absorbing load is introduced for loop antennas to minimize the ringing of...

Ngày tải lên: 29/09/2015, 13:01

... with M antennas at the transmitter, N antennas at the receiver, and a total of R antennas at all the relay nodes, our work shows that when the coherence interval is long enough, a diversity of min{M, ... since / the diversity of the first stage cannot be larger than MR, the diversity of a multiple-antenna system with M transmit antennas and R receive antennas, and the diversity of the second stage ... transmitter has M transmit antennas, the receiver has N receive antennas, and the ith relay has Ri antennas Since the transmit and received signals at different antennas of the same relay can be...

Ngày tải lên: 22/06/2014, 19:20

... study i Table of Contents Acknowledgements i Table of Contents .ii Summary v List of Tables vii List of Figures viii List of Acronyms ... 45 Figure 3.1 Circuit configuration of the proposed rectenna 49 Figure 3.2 Configuration of the antennas (a) Top view of the proposed one (b) Side view of the proposed one (c) A two-element ... high efficiency of this type of WPT comes from the large-aperture antennas or antenna arrays so that most of the power can be delivered to the rectifier for rectification This type of WPT is especially...

Ngày tải lên: 09/09/2015, 11:12

... thesis entitled “Design and Analysis of Ultra-wide Band and Millimeter-wave Antennas ” by Zhang Yaqiong in partial fulfillment of the requirements for the degree of Doctor of Philosophy Dated: DEC ... of the size of the top-plate of the proposed antennas shown in Figure 2.10: (a) top-circle plate; (b) top-square plate 27 2.13 Measured and simulated return loss of the proposed antennas ... modeling of UWB antennas is increased as the design complexity of the RF system increases The first part of this research intends to investigate the application of three-dimensional monopole antennas...

Ngày tải lên: 10/09/2015, 15:49

... installation of RM2000 and GP2000 Please always uninstall old program versions before installing a new program release! 1.2 Unit dependency of Import/Export of RM2000 Export and Import of RM2000 ... upgraded or the validity of a time limited version has expired New RM2000/GP2000 users as well as existing RM7 users must get a licence file from Tdv or one of the support offices in order to run ... calculation is numerically extended to cover more exactly “creep of creep” effects ( it is possible to decrease number of time steps ) Extensions of British Standard live load calculation Added possibility...

Ngày tải lên: 06/09/2012, 15:18

... Ownership of the program and the documentation remain with TDV Austria Use of the program and the documentation is restricted to the licensed users Unlicensed use of the program or reproduction of the ... point’ arrow at the top of the screen and the insert symbol Accept the default name Define the Connection Points Click on the intersection point of the CL’s at the bottom of each beam in the position ... load sets and the two loading cases (e.g.: L.C is a UDL of 10kN/m from Elem to Elem 20 and L.C is a Settlement of 0.001m at the beginning of element 1200.) Choose AddCon and insert the ‘Additional...

Ngày tải lên: 06/09/2012, 15:55

... 5-1 MATERIAL OF PRE-STRESSING TENDONS 5-2 DEFINITION OF TENDONS (TENDON PROFILES) 5-4 Creating New Tendon Profiles 5-4 Assignment of Structural Elements ... side of the screen #NODE Definition of nodes and their attributes #ELEMENT Definition of elements and their attributes #TENDON Definition of tendons and their attributes #SPECIAL Comparison of ... re-generate it A typical example of the application of macros is the generation of the Finite Element mesh for the computation of the cross-section properties of cross-sections with standard shapes...

Ngày tải lên: 06/09/2012, 15:55

... because of activity against key pathogens Consideration of the influence of appropriateness of empiric therapy against subsequently identified pathogens was beyond the scope of this economic analysis ... LLC Role of the sponsor SM, AQ, and NK of Johnson and Johnson met authorship criteria by participating in the study design, analysis of results, interpretation of findings, and drafting of the ... Independent statistical analysis The accuracy of the data analysis was independently verified by William Shannon, PhD, Associate Professor of Biostatistics in Medicine, Department of Medicine, Washington...

Ngày tải lên: 25/10/2012, 10:02

... cut-off value 15 for strain of –6.5 % a sensitivity of 23 % and specificity of 87 % was calculated for the detection of infarcted segments (AUC 0.6, confidence interval 0.53 – 0.64) A 111 cut-off ... cut-off value of –10.34% resulted in a sensitivity of 54 % and specificity of 59 % (see Table 6) The intra- and inter-observer variation of our data is congruent with the data of Jarnert et al ... (Sre) 0.60 ± 0.35 s-1 The analysis of tissue velocities demonstrated a gradient of systolic (S´) and diastolic (early E´ and late A´) velocities from the apex to the basis of the heart with significant...

Ngày tải lên: 25/10/2012, 11:15

... crux of individualism is the ethnic diversity of various individuals It is not the particular view of the individual that makes them an individualist, but it is the differing views of a group of ... childhood asthma Journal of Asthma 1998; 35: 213–7 Sarafino EP, Gates M, DePaulo D The role of age at asthma diagnosis in the development of triggers of asthma episodes Journal of Psychosom Res, 2001; ... School of Laughter Yoga, described laughter as a “powerful form of exercise that gives you more of a cardiovascular workout than many ‘regular’ aerobic activities (7) Similarly, two stages of laughter...

Ngày tải lên: 26/10/2012, 09:57

... same type of credit This kind of L/C allows the seller to transfer all or part of the proceeds of the original letter of credit to a second beneficiary, usually the ultimate supplier of the goods ... set of rules on the issuance and use of letters of credit The UCP is utilised by bankers and commercial parties in more than 175 countries About 11-15% of international trade utilises letters of ... the beneficiary of the issuance of letter of credit, it just processes the documents and has no direct liability on the letter of credit; besides, it might “confirm” the letter of credit, in which...

Ngày tải lên: 27/10/2012, 16:40

... According to statistics of the IT Industry Department, the US is a big software exporter but its import of software accounts for 30% of the total spending for software of the world and its payment ... because of some difficulties 2.5.1 Scale of operation In general, most software outsourcing companies are of small scale and facing up with dispersed, unprofessional development The scope of software ... 40% of the local enterprises interviewed said they spend money on software application About 20% of software applications by local enterprises are simple, mainly Office software Only 1.1% of the...

Ngày tải lên: 27/10/2012, 16:41

... to the formula: Changes in the level of phosphorylated JNK1&2 (-fold of control) = absorbance of hypoxia-treated cells/absorbance of control cells RT-PCR analysis Total RNA was extracted from ... transfection of Bag-1 Morpho/AS to JAR cells did not alter the expression of PTEN after the exposure to hypoxia, which would mean that the expression of PTEN, and also that of Bcl-X, was independent of ... expression profiles of proteins involved in the mitochondrial (bcl-2, bax, and bcl-x, etc.) and stress reaction-related pathways of apoptosis (Fig 2) Table Altered protein expression of JAR cells...

Ngày tải lên: 31/10/2012, 15:12

... with a SLR of 3.30, 2.61, 1.68 and 1.52, respectively ANK3 was the only significantly down-regulated gene with a SLR of -5.02 Figure Hierarchical clustering analysis of gene expression profile in ... concentrations of ethanol (100 mM) induced the expression of genes involved in the metabolism of ethanol [16] In addition, the metabolism of ethanol 33 results in an increased production of toxic metabolites ... common expression profiles of genes in various categories demonstrated by cDNA microarray analysis Hepatology 2001;33:676-91 Okabe H, Satoh S, Kato T, et al Genome-wide analysis of gene expression...

Ngày tải lên: 31/10/2012, 15:28

... variants (TV) of exon of the hCDC4 gene Arrows mark the position of the detected mutation in the 5’ UTR of Exon 1-TV3 and the new intronic SNP downstream of exon 10 (B) Chromatograph of the mutation ... exchange of nucleotide (nt) 108 of the exon sequence (Figure 1B) Being located in an untranslated region of the exon, the mutation has no consequence for the hCDC4 protein Sequence analysis of hCDC4 ... the detected mutation in exon Similarly, analysis of samples containing the C/T SNP downstream of exon 10 led to the identification of cleavage products of approximately 101 bp and 444 bp in size...

Ngày tải lên: 31/10/2012, 16:49

... infection was examined qualitatively by immunoblot analysis of sera from patients of both the group Figure shows the IgG immunoblot profile of the sera of patients with deep-seated and superficial ... protein profile which consisted of 25-30 bands with major bands having molecular weights of approximately 120, 92, 80, 66, 55, 42, 36, 29, 24, 20, 18 and 16 kDa (Fig 1) The protein profiles of isolates ... the type of infection [22] In order to compare the whole cell protein profile of S aureus strains associated with deep-seated and superficial infection, whole cell lysates of isolates of both...

Ngày tải lên: 02/11/2012, 11:08

... idea that a non-linear analysis of COP is appropriate These findings also support the suggestion of Blaszczyk and Klonowski [10] that the use of a fractal dimension analysis of COP, particularly ... may provide a good screening tool or measure of disease progression The disadvantage of this type of fractal analysis is that it uses the images of the COP that are then digitised and analysed ... observed [14, 15] The aim of this study was to examine both the effects of age and loss of visual information on control of COP during quiet stance and to evaluate the use of Higuchi’s algorithm...

Ngày tải lên: 03/11/2012, 10:09

... 1: Analysis of total human RNA of RBCs (Bioanalyzer 2100 Agilent, USA): A) L- RNA 6000 ladder (Ambion, USA); 1-3 - total RNA of human RBCs from different donors; B) typical electropherogram of ... subjected to further analysis For classification of the resulting genes the gene ontology browser (Netaffx, Affymetrix, USA) was used Results and discussion Characterization of total RNA of human RBCs ... proposed A part of human erythrocytic proteins were identified 6, 7, 8, The number of genomic studies of RBCs is at present limited and represented either by micronucleus assay as a marker of classification...

Ngày tải lên: 03/11/2012, 10:58

... obtain an expression profile of the genes which changed the most with age, we uploaded all of our array data into the array analysis program of the NHGRI (http://arrayanalysis.nih.gov) Table ... levels of many of these genes identified in the array analysis Moreover, Western blot analysis of thymocyte lysates also confirmed that IgM increases with age (Figure 3) Flow cytometry analysis ... Expression profile of the most significantly changed genes with age This profile was generated in the NHGRI website (https://arrayanalysis.ni h.gov), using distance-based analysis of total data...

Ngày tải lên: 03/11/2012, 11:35