Microwave Electronics Measurement and Materials Characterization

Characterization and modeling of microwave spiral inductors and transformers

Characterization and modeling of microwave spiral inductors and transformers
... this thesis, several kinds of on-chip microwave spiral inductors are analyzed and modeled Some novel predictions of the series resistance and inductance of general spiral inductors are presented ... density xv D Outer dimension of spiral inductor d Inner dimension of spiral inductor W Metal width of spiral inductor T Metal thickness of spiral inductor P Metal pitch of spiral inductor S Spacing ... inductors (Inductors 1, 2, and 3) and one set of circular spiral inductor (Inductors 4) are measured With reference to Fig 2.8 and Table 2.1, the detailed geometric parameters of the sample inductors...
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Electromagnetic properties and macroscopic characterization of composite materials

Electromagnetic properties and macroscopic characterization of composite materials
... ELECTROMAGNETIC PROPERTIES AND MACROSCOPIC CHARACTERIZATION OF COMPOSITE MATERIALS QIU CHENGWEI B ENG., UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA, 2003 A DISSERTATION ... negative-index materials (NIMs) In this thesis, the microscopic and macroscopic properties, the control of the geometry and functionality, and the potential applications of various composite materials, ... modeling and characterization of negative-index INTRODUCTION materials Negative-index materials represent a class of composite materials artificially constructed to exhibit exotic electromagnetic properties...
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Báo cáo y học: " Non-invasive stroke volume measurement and passive leg raising predict volume responsiveness in medical ICU patients: an observational cohort study"

Báo cáo y học:
... the change in pulse pressure and SV were significantly correlated both during PLR and following VE [30] Lafanechère and colleagues examined 22 intubated and fully sedated patients with an esophageal ... were informed that they participated in this study Patients were enrolled from the medical intensive care unit (ICU) , and any patient requiring VE as determined by the ICU attending physician was ... paired stroke plot of measurements difference one and three Bland-Altman volume log-transformedfrom stagesagainst mean for paired stroke volume measurements from stages one and three The dashed lines...
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Modeling, Measurement and Control P18

Modeling, Measurement and Control P18
... the integration of structure and control design appears in Skelton1,2 and Grigoriadis et al.3 Bendsoe and others4-7 optimize structures by beginning with a solid brick and deleting finite elements ... axially loaded compression members and tendon members that easily allow the unification of structure and control functions Sensing and actuating functions can sense or control the tension or the length ... 2, …, m} and {ρ11, t1ij, for i = 1, 2, …, n, j = 1, 2, …, m, and i < n when j = 1} This section discusses the relationship between the q variables and the string and rod vectors tαβγ and rβij...
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Transactions in measurement and control

Transactions in measurement and control
... Zacharias, Measurements & Control, September, 1993 Dry Solids Flow Update, Auburn International Inc Flow Measurement Engineering Handbook, R.W Miller, McGraw-Hill, 1983 Flow Measurement for Engineers and ... because of savings in installation and operating and maintenance costs The classical Herschel venturi has a very long flow element characterized by a tapered inlet and a diverging outlet Inlet pressure ... when flow and density are at their maximum and viscosity at its minimum Conversely, the minimum RD is obtained by using minimum flow and density and maximum viscosity If acceptable metering performance...
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Modeling, Measurement and Control P21

Modeling, Measurement and Control P21
... problems, increased reliability and improved thermal capacity are achieved On the other hand, brushless motors require more complex and expensive control systems Sensors and switching circuitry are ... cheap, robust, and reliable, and at the same time offer good torque characteristics However, control of such motors is rather complicated Advanced vector controllers are expensive and not guarantee ... mathematical modeling, driving characteristics, and mounting on the robot arm Section 21.1.1 presents a review of actuators currently used in robots and automation The main characteristics, advantages, and...
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NOISE MEASUREMENT AND CONTROL

NOISE MEASUREMENT AND CONTROL
... octave-band analyzer is the most common analyzer for industrial noise measurements It separates complex sounds into frequency bands one octave in width, and measures the level in each of the bands ... identified for noise control purposes, narrow-band analyzers must be used They are available with various bandwidths 24.11 CORRECTION FOR BACKGROUND NOISE The effect of ambient or background noise should ... 24.12 MEASUREMENT OF MACHINE NOISE The noise produced by a machine may be evaluated in various ways, depending on the purpose of the measurement and the environmental conditions at the machine Measurements...
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Electronics - Theory and Design of Electrical and Electronic Circuits

Electronics - Theory and Design of Electrical and Electronic Circuits
... Controllers of the State in a System Bibliography Theory and Design of Electrical and Electronic Circuits _ Introduction Spent the years, the Electrical and Electronic ... Theory and Design of Electrical and Electronic Circuits Index Introduction Chap 01 Generalities Chap 02 Polarization of components Chap 03 Dissipator of heat Chap 04 Inductors of small ... of transformers, that is to say: - radiofrecuency (k < 1) - nucleus of air (k ...
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Modeling, Measurement and Control P23

Modeling, Measurement and Control P23
... model and using the nominal position and force measurements, and a controller involving a PD regulator and robust control part The purpose of the robust controller is to ensure that the control ... the command and control of a vector such as position or force is not enough to control the interaction between systems (dynamic networks) The controller must also be able to command and control ... on position control and requires position commands and measurements to close the feedback loop Force measurements are needed to effect the target impedance behavior Position/force control methods...
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Modeling, Measurement and Control P24

Modeling, Measurement and Control P24
... is A11 and and Xn is A1n, then Y = B11 and and Ym = B1m R 2: if X1 is A21 and and Xn is A2n, then Y = B21 and … Ym = B2m M R r: if X1 is Ar1 and and Xn is Arn, then Y1 = Br1 and and Ym ... sensors and are sent to both the teacher and the trainable controller During control of the robot by the teacher, the control signals and the state variables of the robot are sampled and stored ... self-organizing, and generalization Usually, learning and control in neurocontrollers are performed simultaneously, and learning continues as long as perturbations are present in the robot under control and/ or...
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