porphyrins chlorins and related structures

... Introduction Dual-Mode Ring Bandpass Filters Ring Bandstop Filters Compact, Low Insertion Loss, Sharp Rejection, and Wideband Bandpass Filters Ring Slow-Wave Bandpass Filters Ring Bandpass Filters with ... Microwave ring circuits and related structures / Kai Chang, Lung-Hwa Hsieh.—2nd ed p cm.—(Wiley series in microwave and optical engineering) Includes bibliographical references and index ISBN 0-471-44474-X ... new applications in bandpass and bandstop filters These applications are supported by real circuit demonstrations Extensive additions are given in the filter and coupler design and applications The...

Ngày tải lên: 27/06/2014, 14:20

... Introduction Dual-Mode Ring Bandpass Filters Ring Bandstop Filters Compact, Low Insertion Loss, Sharp Rejection, and Wideband Bandpass Filters Ring Slow-Wave Bandpass Filters Ring Bandpass Filters with ... Microwave ring circuits and related structures / Kai Chang, Lung-Hwa Hsieh.—2nd ed p cm.—(Wiley series in microwave and optical engineering) Includes bibliographical references and index ISBN 0-471-44474-X ... new applications in bandpass and bandstop filters These applications are supported by real circuit demonstrations Extensive additions are given in the filter and coupler design and applications The...

Ngày tải lên: 27/06/2014, 14:20

... Introduction Dual-Mode Ring Bandpass Filters Ring Bandstop Filters Compact, Low Insertion Loss, Sharp Rejection, and Wideband Bandpass Filters Ring Slow-Wave Bandpass Filters Ring Bandpass Filters with ... Microwave ring circuits and related structures / Kai Chang, Lung-Hwa Hsieh.—2nd ed p cm.—(Wiley series in microwave and optical engineering) Includes bibliographical references and index ISBN 0-471-44474-X ... new applications in bandpass and bandstop filters These applications are supported by real circuit demonstrations Extensive additions are given in the filter and coupler design and applications The...

Ngày tải lên: 08/08/2014, 01:21

... the regular mode are determined by Equation (2.1) and repeated here: Microwave Ring Circuits and Related Structures, Second Edition, by Kai Chang and Lung-Hwa Hsieh ISBN 0-471-44474-X Copyright ... of the ring can be derived from w = Lc Cc and is given by Lc = w o Cc (2.78c) where Gc, Lc, and Cc stand for the equivalent conductance, inductance, and capacitance of the closed-loop ring resonator ... effect, and (d) U-shaped open-loop ring resonators [12] (Permission from IEEE.) 2.5.2 Calculated and Experimental Results To verify the calculations of the unloaded Q and G, L, C of the closed- and...

Ngày tải lên: 08/08/2014, 01:21

... result of a trial -and- error process Trialand-error design methods are time-consuming and would make the varactor-tuned ring less likely to be used Microwave Ring Circuits and Related Structures, Second ... frequency-selective surface [34–36] and a tunable resonator [30, 37] As a frequency-selective surface, the ring array has a reflection bandwidth of about 26% and a transmission/reflection-band ratio of : the varactor-tuned ... even-mode propagation and reduces its inductive effect on the CPW odd mode The enclosure and assembly shown in Figure 3.38 avoids wire bonding and soldering but requires alignment and good pressure...

Ngày tải lên: 08/08/2014, 01:21

... ring and all integer-numbered (even and odd) modes are passed When the diode is reverse biased, the boundary conditions will not allow the odd-numbered Microwave Ring Circuits and Related Structures, ... where L ZL = A + jB ¢ (4.5) and A and B are defined in Chapter The ring structure is not symmetrical and therefore cannot be reduced through combinations of series and parallel impedances A unit ... modes (n = and n = 4), this condition is satisfied with or without the gap and the fields are not disturbed In the odd modes (n = and n = 3), the boundary conditions cannot be satisfied and therefore...

Ngày tải lên: 08/08/2014, 01:21

... wideband microstrip bandpass filter This bandpass filter is developed from the bandstop filter introduced in Section 7.3 [13] Two tuning stubs are added to the bandstop filter to create a wide passband ... measurements, le and lo can be determined from Equations (6.17) and (6.18) The parameters Z11 and Z12 can be determined by substituting Equations (6.17) and (6.18) into Equations (6.15) and (6.16) ... insertion loss and narrower bandwidth In addition, for the dual-mode ring resonator in Table 7.2, its insertion loss and bandwidth depend on the external Q, coupling coefficient K, and coupling...

Ngày tải lên: 08/08/2014, 01:21

... (8.1d) where Ge,o and Te,o are the even- and odd-mode reflection and transmission coefficients, and B1, B2, B3, and B4 are the amplitudes of the scattered waves at ports 1, 2, 3, and 4, respectively ... dual-mode filter has better in-band and out-band performance Also, the slotline ring dual-mode filter has the advantages of flexible tuning and ease of adding series and shunt components 190 FILTER ... 1991, p 321 L Zhu, H Bu, and K Wu, “Broadband and compact multi-pole microstrip bandpass filters using ground plane aperture technique,” IEE Proceedings, Microwaves, Antennas and Propagation, Vol...

Ngày tải lên: 08/08/2014, 01:21

... (8.16d) where Ge,o and Te,o are the even- and odd-mode reflection and transmission coefficients, and B1, B2, B3, and B4 are the amplitudes of the scattered waves at ports 1, 2, 3, and 4, respectively ... 1980, Aikawa and Ogawa [8] proposed a double-sided magic-T that is constructed with microstrip–slotline Microwave Ring Circuits and Related Structures, Second Edition, by Kai Chang and Lung-Hwa ... backside of the substrate, and allow easy series and shunt connections of passive and active solid-state devices The use of uniplanar structures circumvents the need for via holes and reduces processing...

Ngày tải lên: 08/08/2014, 01:21

... Circuits and Related Structures, Second Edition, by Kai Chang and Lung-Hwa Hsieh ISBN 0-471-44474-X Copyright © 2004 John Wiley & Sons, Inc 271 272 WAVEGUIDE RING RESONATORS AND FILTERS bandwidth ... (3) midband insertion loss IL = 1.5 dB; and (4) stopband attenuation A = 48 dB Though an excellent in-band performance has been achieved with a single waveguide ring cavity, the out-band behavior ... Ho, L Fan, and K Chang, “Broad-band uniplanar hybrid-ring and branch-line couplers,” IEEE Trans Microwave Theory Tech., Vol MTT-41, No 12, pp 2116– 2125, December 1993 [14] C Ho, L Fan, and K Chang,...

Ngày tải lên: 08/08/2014, 01:21

... arrive in phase at ports and 3, and 180° out of phase at port Therefore, ports and are isolated Similarly, a wave incident at port is divided equally and coupled to ports and The two component waves ... space An example of calculated and measured E and H-plane patterns is given in Figure 11.11 312 RING ANTENNAS AND FREQUENCY-SELECTIVE SURFACES FIGURE 11.11 Calculated and measured patterns for a ... from IEEE.) grid and a series-resonant inductance L1 and capacitance C represent the squares The equations given below are used to design for the transmission and rejection bands [39] Solving...

Ngày tải lên: 08/08/2014, 01:21

... dual-mode ring bandpass filters, 153–161 narrow band elliptic-function bandpass filters, 188 ring bandpass filters, 179–186 wideband bandpass filter, 168–171 Undercoupled conditions, ring bandpass filters, ... Inder Bahl, and Vijay Nair MICROWAVE RING CIRCUITS AND RELATED STRUCTURES, Second Edition • Kai Chang and Lung-Hwa Hsieh DIODE LASERS AND PHOTONIC INTEGRATED CIRCUITS • Larry Coldren and Scott ... insertion loss, sharp rejection, and wideband bandpass filters, 164–171 dual-mode ring bandpass filters, 153–161 mode suppression, 191–193 narrow-band elliptic-function bandpass filters, 187–188 piezoelectric...

Ngày tải lên: 08/08/2014, 01:21

... of Energetics, Structures and Chemical Reactions on Carbon and BN Surfaces and Related Molecules Abstract This thesis focuses on the energetics, structure and reactivity of wide band gap materials ... Theoretical Studies of Energetics, Structures and Chemical Reactions on Carbon and BN Surfaces and Related Molecules Yang Shuowang (B Sc & M Sc Zhejiang University) ... thermal, electrical and optical properties as well as a very large band gap [53,54] There are at least types of BN crystals: h-BN, t-BN and c-BN h-BN and cBN are the most common structures The structure...

Ngày tải lên: 17/09/2015, 17:18

... n-Si/p-CIS 14 CHƯƠNG CHƯƠNG TRÌNH MÔ PHỎNG MỘTCHIỀU AMPS – 1D (Analysis of Microelectronic and Photonic Structures) Chương trình mô chiều AMPS – 1D chương trình đa để khảo sát ảnh hưởng cấu tạo...

Ngày tải lên: 18/03/2013, 13:40

... Approximately similar mean and dispersion statistics have been observed by Pliner and Hobden (1992) in Canadian students; by Frank et al (1997) in US students; and by Frank and Hursti (1999) in a ... ®nding that was similar to US and Swedish populations (Frank & Hursti, 1999) Education is likely to enhance the access and exposures to various stimuli, events and issues, and thereby it can perhaps ... neophobia scores of subjects (Swedish mothers and fathers) were signi®cantly correlated with the number of foods that a subject had never eaten, and Raudenbush and Frank (1999) observed lower familiarity...

Ngày tải lên: 03/04/2013, 21:06

... PLCs and related products Upon completion of Basics of PLCs you should be able to: • • Convert numbers from decimal to binary, BCD, and hexadecimal • Identify typical discrete and analog inputs and ... positioning, and weighing (SIWAREX MS) CPU 221 comes with discrete inputs and discrete outputs and does not accept expansion modules CPU 222 comes with discrete inputs and discrete outputs and accepts ... Inputs and Outputs Discrete inputs and outputs, also referred to as digital inputs and outputs, are either on or off Pushbuttons, toggle switches, limit switches, proximity switches, and relay...

Ngày tải lên: 15/09/2013, 21:26

... noise is assumed to be additive This is a rather realistic assumption, standard in factor analysis and signal processing, and allows for a simple formulation of the noisy model Thus, the noisy ... observations x Denoting by z a nongaussian random variable, and by n a gaussian noise variable of variance , we should be able to express the relation between E fG(z )g and E fG(z + n)g in simple algebraic ... holds with = ~, where is a matrix that incorporates the mixing of the real ICs and the covariance structure of the noise, and the number of the independent components in ~ is equal to the number of...

Ngày tải lên: 20/01/2014, 11:20

... CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 SECTION 06100 - CONCRETE AND CONCRETE STRUCTURES DESCRIPTION This Specification section addresses requirements and procedures ... DIVISION - CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 9.5.3 AGGREGATES 19 9.5.4 BINS 19 AND SCALES 9.6 Mixing and Delivery 20 10 CONCRETE ... DIVISION - CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 immediately stop all concreting until checks are made on the material and equipment and immediately rectify...

Ngày tải lên: 24/01/2014, 23:20

... reproductive age HYPERANDROGENISM The primary androgen produced by the ovaries is androstenedione, and the primary androgen from adrenal glands is dehydroepiandrostene sulfate (DHEAS) Androgen production ... a-reductase), an even more potent androgen than testosterone The sebaceous glands are very sensitive to androgens, and oily skin and acne are early signs of hyperandrogenism The hair follicle is ... responsive CHAPTER 29 INFERTILITY AND RELATED ISSUES 787 to androgens, and hirsutism is a further response to increasing androgenicity Finally, with marked androgenicity, signs of masculinization...

Ngày tải lên: 10/02/2014, 14:37

... (creation methods, class methods, commands, queries, and pre- and postconditions) and internal features (data and methods) •Discuss the issues associated with error handling in Java •Present the important ... solving, genetic algorithms, and complexity studies He develops and presents training courses and intensive short courses and workshops on object-oriented problem solving and object-oriented languages ... programming, and classical data structures The software development principles associated with OOP provide a strong framework for presenting and implementing classical data structures We adhere to and...

Ngày tải lên: 14/02/2014, 04:20