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1. Full Text Low-Frequency Stability Analysis of Single-Phase System With dq-Frame Impedance Approach-Part I: Impedance Modeling and Verification
by Liao, Yicheng and Liu, Zhigang and Zhang, Han and Wen, Bo
IEEE Transactions on Industry Applications, ISSN 0093-9994, 09/2018, Volume 54, Issue 5, pp. 4999 - 5011
The utilization of a large number of power electronic converters in the high-speed railway system results in the low-frequency instability for the single-phase... 
single-phase converter | Hilbert transform | Impedance measurement | Transforms | Stability analysis | Power electronics | dq frame"> dq frame | interleaved converters | second-order generalized integrator (SOGI) | Impedance | Phase locked loops | Integrated circuit modeling | Interleaved converters | Single-phase converter | Second-order generalized integrator (SOGI) | Dq frame | CONVERTERS | DESIGN | DOMAIN | TRAIN-NETWORK INTERACTIONS | impedance | DISTRIBUTED POWER-SYSTEMS | ENGINEERING, ELECTRICAL & ELECTRONIC | ENGINEERING, MULTIDISCIPLINARY | dq frame | Input impedance | Phase locked systems | Computer simulation | Railways | Electric railroads | Converters | Hilbert transformation | Switching | Rectifiers | High speed trains | Modelling | Railcars | Frequency stability
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2. Full Text Adaptive Neural Impedance Control of a Robotic Manipulator With Input Saturation
by Wei He and Yiting Dong and Changyin Sun
IEEE Transactions on Systems, Man, and Cybernetics: Systems, ISSN 2168-2216, 03/2016, Volume 46, Issue 3, pp. 334 - 344
In this paper, adaptive impedance control is developed for an n-link robotic manipulator with input saturation by employing neural networks. Both uncertainties... 
robot | Adaptation models | Adaptive systems | Control design | Adaptive neural network (NN) control | input saturation | Artificial neural networks | learning control | Manipulators | impedance control | nonlinear system | Impedance | DELAY SYSTEMS | DESIGN | UNCERTAIN NONLINEAR-SYSTEMS | OUTPUT CONSTRAINT | NETWORK CONTROL | BACKSTEPPING CONTROL | COMPUTER SCIENCE, CYBERNETICS | DISCRETE-TIME-SYSTEMS | TRACKING CONTROL | MOBILE MANIPULATORS | AUTOMATION & CONTROL SYSTEMS | Liapunov functions | Usage | Research | Impedance (Electricity) | Controllers | Design engineering | Computer simulation | Neural networks | Saturation | Adaptive control systems
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3. Full Text Impedance-Source Networks for Electric Power Conversion Part I: A Topological Review
by Siwakoti, Yam P and Fang Zheng Peng and Blaabjerg, Frede and Poh Chiang Loh and Town, Graham E
IEEE Transactions on Power Electronics, ISSN 0885-8993, 02/2015, Volume 30, Issue 2, pp. 699 - 716
Impedance networks cover the entire of electric power conversion from dc (converter, rectifier), ac (inverter), to phase and frequency conversion (ac-ac) in a... 
Network topology | Switches | Inverters | Topology | Power systems | Impedance | Power conversion | dc-dc power conversion | ac-dc power conversion dc-ac power conversion | AC-AC power conversion | impedancesource network | PULSEWIDTH MODULATION | TRADITIONAL INVERTERS | dc-ac power conversion | MATRIX CONVERTER | CONSTANT BOOST CONTROL | MULTILEVEL INVERTER | OPERATIONAL ANALYSIS | ENGINEERING, ELECTRICAL & ELECTRONIC | ac-dc power conversion | impedance-source network | Z-SOURCE-INVERTER | CONTINUOUS INPUT CURRENT | SWITCHED-INDUCTOR | Z-SOURCE CONVERTER | Power converters | Measurement | Harmonic functions | Usage | Analysis | Innovations | Voltage | Impedance (Electricity) | Electric power systems | Electric power generation | Networks | Electric power | Converters | Switching theory | Conversion
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4. Full Text FET-R-C Circuits: A Unified Treatment-Part II: Extension to Multi-Paths, Noise Figure, and Driving-Point Impedance
by Iizuka, Tetsuya and Abidi, Asad A
IEEE Transactions on Circuits and Systems I: Regular Papers, ISSN 1549-8328, 09/2016, Volume 63, Issue 9, pp. 1337 - 1348
In Part I of this paper, we introduce useful analysis that leads to a simple signal flow graph (SFG), which captures the FET-R-C circuit's action completely... 
transfer function | Conversion gain | Field effect transistors | frequency translation | Transfer functions | Switches | sampling | Harmonic analysis | noise figure | passive mixer | N-path mixer | Mixers | input impedance | Impedance | Integrated circuit modeling | signal flow graph | sample-and-hold | FILTERS | CANCELING RECEIVER | ENGINEERING, ELECTRICAL & ELECTRONIC | MIXERS | Impedance (Electricity) | Research
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5. Full Text Analysis of D-Q Small-Signal Impedance of Grid-Tied Inverters
by Bo Wen and Boroyevich, Dushan and Burgos, Rolando and Mattavelli, Paolo and Zhiyu Shen
IEEE Transactions on Power Electronics, ISSN 0885-8993, 01/2016, Volume 31, Issue 1, pp. 675 - 687
This paper analyzes the small-signal impedance of three-phase grid-tied inverters with feedback control and phase-locked loop (PLL) in the synchronous... 
Resistors | negative resistance circuits | Inverters | Feedback control | Impedance | Phase locked loops | Integrated circuit modeling | Voltage control | inverters | Nyquist stability | synchronization | stability | SYSTEM | POWER CONVERTERS | ALGORITHM | LOOP | RECTIFIER | ENGINEERING, ELECTRICAL & ELECTRONIC | INPUT-ADMITTANCE | Integrated circuits | Phase-locked loops | Usage | Electric inverters | Feedback control systems | Analysis | Research | Semiconductor chips | Phase locked systems | Power control | Bandwidth | Channels
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6. Full Text Virtual-Impedance-Based Control for Voltage-Source and Current-Source Converters
by Xiongfei Wang and Yun Wei Li and Blaabjerg, Frede and Poh Chiang Loh
IEEE Transactions on Power Electronics, ISSN 0885-8993, 12/2015, Volume 30, Issue 12, pp. 7019 - 7037
The virtual impedance concept is increasingly used for the control of power electronic systems. Generally, the virtual impedance loop can either be embedded as... 
power flow control | fault ride-through | Power system harmonics | Power system stability | Harmonic analysis | voltage-source converter | Power conversion | Voltage control | Virtual impedance | harmonic/unbalance compensation | current-source converter | active stabilization | Impedance | virtual impedance | Active stabilization | current-source converter (CSC) | voltage-source converter (VSC) | DESIGN | POWER-ELECTRONICS | INPUT LC FILTER | GRID-CONNECTED INVERTERS | PWM | SENSORLESS-CONTROL | ENGINEERING, ELECTRICAL & ELECTRONIC | INTERFACE | ACTIVE DAMPING CONTROL | DISTRIBUTED GENERATION UNITS | CURRENT-SOURCE RECTIFIER | Power converters | Usage | Power electronics | Research | Impedance (Electricity)
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7. Full Text Impedance-Based Analysis of Grid-Synchronization Stability for Three-Phase Paralleled Converters
by Bo Wen and Dong Dong and Boroyevich, Dushan and Burgos, Rolando and Mattavelli, Paolo and Zhiyu Shen
IEEE Transactions on Power Electronics, ISSN 0885-8993, 01/2016, Volume 31, Issue 1, pp. 26 - 38
Grid synchronization stability issues and subsynchronous oscillations between synchronous generators exist in electrical power systems. Three-phase... 
negative resistance circuits | Power system stability | rectifiers | Stability analysis | Inverters | Circuit stability | Impedance | Synchronization | Phase locked loops | stability | power system stability | inverters | synchronization | DESIGN | INPUT-ADMITTANCE | CRITERION | RECTIFIER | ENGINEERING, ELECTRICAL & ELECTRONIC | Power converters | Phase-locked loops | Usage | Alternative energy sources | Analysis | Research | Impedance (Electricity) | Electric power generation | Synchronous | Renewable energy sources | Stability | Synchronism | Oscillations | Converters
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8. Full Text Impedance Matching in Wireless Power Transfer
by Yong Huang and Shinohara, Naoki and Mitani, Tomohiko
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 02/2017, Volume 65, Issue 2, pp. 582 - 590
Impedance matching is a common issue in a wireless power transfer (WPT) system. This paper summarizes impedance matching methods reported in the literature and... 
Resistance | Impedance matching | Buck–boost converter | Rectifying circuits | rectifier | wireless power transfer (WPT) | Microwave circuits | microwave power transfer (MPT) | Topology | dc–dc converter | Inductors | input resistance | impedance matching | DC-DC converter | Buck-boost converter | SYSTEM | dc-dc converter | RESISTANCE COMPRESSION NETWORKS | EFFICIENCY | CIRCUIT | ENGINEERING, ELECTRICAL & ELECTRONIC | Impedance (Electricity) | Research | Electric resistance | Wireless power transmission
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9. Full Text Impedance-Source Networks for Electric Power Conversion Part II: Review of Control and Modulation Techniques
by Siwakoti, Yam P and Fang Zheng Peng and Blaabjerg, Frede and Poh Chiang Loh and Town, Graham E and Shuitao Yang
IEEE Transactions on Power Electronics, ISSN 0885-8993, 04/2015, Volume 30, Issue 4, pp. 1887 - 1906
Impedance-source networks cover the entire spectrum of electric power conversion applications (dc-dc, dc-ac, ac-dc, ac-ac) controlled and modulated by... 
Network topology | Modulation | Switches | Educational institutions | Inverters | Topology | Impedance | dcdc power conversion | acdc power conversion | ACAC power conversion | modulation and control | impedance source network | dcac power conversion | dc-dc power conversion | DESIGN | dc-ac power conversion | MATRIX CONVERTER | PERFORMANCE | Z-SOURCE INVERTER | CONTROL STRATEGY | ENGINEERING, ELECTRICAL & ELECTRONIC | AC-AC power conversion | ac-dc power conversion | CONTINUOUS INPUT CURRENT | SWITCHED-INDUCTOR | VECTOR MODULATION | Z-SOURCE CONVERTER | LINK BOOST VOLTAGE | Measurement | Power converters | Pulse-duration modulation | Frequency modulation | Usage | Analysis | Voltage | Innovations | Impedance (Electricity) | Electric power systems | Electric power generation | Networks | Electric power | Switching theory | Strategy | Switching
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10. Full Text Compensating for evanescent modes and estimating characteristic impedance in waveguide acoustic impedance measurements
by Nørgaard, Kren Rahbek and Fernandez-Grande, Efren and Laugesen, Søren
The Journal of the Acoustical Society of America, ISSN 0001-4966, 12/2017, Volume 142, Issue 6, pp. 3497 - 3509
The ear-canal acoustic impedance and reflectance are useful for assessing conductive hearing disorders and calibrating stimulus levels in situ. However, such... 
CONDUCTIVE HEARING-LOSS | ACOUSTICS | IN-SITU CALIBRATION | REFLECTANCE | INPUT | ADMITTANCE | AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY | PRESSURE LEVEL | MIDDLE-EAR | ACCURACY | GEOMETRY
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11. Full Text Improving the Stability of Cascaded DC/DC Converter Systems via Shaping the Input Impedance of the Load Converter With a Parallel or Series Virtual Impedance
by Xin Zhang and Xinbo Ruan and Qing-Chang Zhong
IEEE Transactions on Industrial Electronics, ISSN 0278-0046, 12/2015, Volume 62, Issue 12, pp. 7499 - 7512
Interactions between individually designed power subsystems in a cascaded system may cause instability. This paper proposes an approach, which connects a... 
Resistors | dynamic performance | Transfer functions | Frequency conversion | Cascaded system | Voltage control | input-impedance-regulator | Band-pass filters | instability problem | Stability criteria | series-virtual-impedance | load converter | Impedance | parallel-virtual-impedance | DISTRIBUTED POWER-SYSTEMS | series virtual impedance (SVI) | ENGINEERING, ELECTRICAL & ELECTRONIC | INSTRUMENTS & INSTRUMENTATION | ARCHITECTURE | CRITERION | input impedance regulator (IIR) | AUTOMATION & CONTROL SYSTEMS | parallel virtual impedance (PVI) | Research | Impedance (Electricity) | Cascade converters | Electric filters, Bandpass | Analysis | Integrated circuits
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12. Full Text Voltage-Double Magnetically Coupled Impedance Source Networks
by Ji, Yuliang and Liu, Hongchen and Zhang, Chengming and Wheeler, Pat
IEEE Transactions on Power Electronics, ISSN 0885-8993, 07/2018, Volume 33, Issue 7, pp. 5983 - 5994
A family of voltage-double magnetically coupled impedance source networks is presented. The scheme of the proposed family is that adding the auxiliary... 
Inductance | voltage-double magnetically coupled impedance source networks (VBMCISNs) | Magnetomechanical effects | Windings | Capacitors | Common ground | DC-DC power converters | continuous input current | voltage gain | voltage stress | Impedance | Inductors | STEP-UP CONVERTER | DC/DC CONVERTER | DC-DC CONVERTER | SWITCHED-INDUCTOR | INVERTER | ENGINEERING, ELECTRICAL & ELECTRONIC | Networks | Electric potential | Electric converters | Voltage gain | Passive components | Organic light emitting diodes | Topology | Inrush current
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13. Full Text Low-Impedance Flexible Archimedean-Equiangular Spiral Antenna
by Pan, Taisong and Dai, Lingliang and Chen, Sihong and Yan, Zhuocheng and Lin, Yuan
IEEE Antennas and Wireless Propagation Letters, ISSN 1536-1225, 09/2019, Volume 18, Issue 9, pp. 1789 - 1793
A flexible low-impedance wideband antenna with a hybrid structure of Archimedean spiral and equiangular spiral is presented in this letter. The input impedance... 
Encapsulation | Antenna measurements | Fabrication | spiral antenna | Antenna input impedance | Spirals | flexible electronics | Impedance | Antennas | Strain
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14. Full Text Impedance Measurements of Kilowatt-Class Lithium Ion Battery Modules/Cubicles in Energy Storage Systems by Square-Current Electrochemical Impedance Spectroscopy
by Yokoshima, Tokihiko and Mukoyama, Daikichi and Nara, Hiroki and Maeda, Suguru and Nakazawa, Kazuhiro and Momma, Toshiyuki and Osaka, Tetsuya
Electrochimica Acta, ISSN 0013-4686, 08/2017, Volume 246, pp. 800 - 811
Electrochemical impedance measurements of lithium ion batteries (LIBs) in energy storage systems (ESS) were performed. Square-current electrochemical impedance... 
LAPLACE TRANSFORMS | ELECTROCHEMISTRY | POLYACETYLENE | FOURIER-TRANSFORM | TIME-DOMAIN | AC-IMPEDANCE | DYNAMICS | NUMERICAL INVERSION | AMPLITUDE | CHARGE | VOLTAMMETRY | Measurement | Batteries | Energy management systems | Analysis | Spectrum analysis
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15. Full Text UHF RFID Antenna Impedance Characterization: Numerical Simulation of Interconnection Effects on the Antenna Impedance
by Bauernfeind, Thomas and Renhart, Werner and Alotto, Piergiorgio and Biro, Oszkar
IEEE Transactions on Magnetics, ISSN 0018-9464, 06/2017, Volume 53, Issue 6, pp. 1 - 4
A major design criterion of wireless communication devices is the matching between the impedance of the analog frontend and the input impedance of the antenna... 
Antenna measurements | Connectors | Coaxial cables | Transmission line matrix methods | Dipole antennas | finite-element analysis | Antenna impedance | Impedance | dipole antennas | DESIGN | PHYSICS, APPLIED | TAG ANTENNA | ENGINEERING, ELECTRICAL & ELECTRONIC | Impedance (Electricity) | Research | Antennas (Electronics) | Input impedance | Electronic devices | Computer simulation | Test procedures | Analyzers | Design analysis | Finite element method | Design engineering | Wireless communications | Antenna design | Impedance matching | Mathematical analysis | Very high frequencies | Design criteria | Antennas | Radio frequency identification
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16. Full Text Impedance matching bandpass filter with a controllable spurious frequency based on lambda/2 stepped impedance resonator
by Kim, P and Chaudhary, G and Jeong, Y
IET MICROWAVES ANTENNAS & PROPAGATION, ISSN 1751-8725, 10/2018, Volume 12, Issue 12, pp. 1993 - 2000
An impedance matching bandpass filter (BPF) with arbitrary image impedance (Z(2)) of parallel/antiparallel coupled lines SIR is presented in this study. The... 
resonator filters | EFFICIENCY POWER-AMPLIFIER | termination impedances | high attenuation characteristics | 6 GHz | bandpass responses | band-pass filters | controllable spurious frequency | spurious frequency | 2 stepped impedance resonator | PASS-FILTER | operating centre frequency | image impedance | SIR BPF | transmission zero | TRANSFORMING NETWORKS | coupled transmission lines | CO-DESIGN | FORM | frequency 2 | electrical length | TELECOMMUNICATIONS | stopband rejection | SUPPRESSION | transmission lines | coupling coefficients | TABLES | ENGINEERING, ELECTRICAL & ELECTRONIC | impedance matching | parallel-antiparallel coupled line SIR | BPF | OPTIMIZATION | input-output ports | impedance matching bandpass filter | coupled line | resistance 20 ohm to 100 ohm
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17. Full Text Safety of active catheters in MRI: Termination impedance versus RF‐induced heating
by Özen, Ali Caglar and Lottner, Thomas and Bock, Michael
Magnetic Resonance in Medicine, ISSN 0740-3194, 02/2019, Volume 81, Issue 2, pp. 1412 - 1423
Purpose: To investigate the effect of the termination impedance on the RF-induced heating of active catheters using analytical modeling. Theory and Methods:... 
electric field coupling | radio frequency‐induced heating | active catheter | MR safety | analytical modeling of implants and devices | radio frequency-induced heating | COIL | WIRES | TRANSMISSION-LINE | IN-VIVO | DEVICES | TRANSIENT | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Integrated circuits | Safety and security measures | Magnetic resonance imaging | Analysis | Electric fields | Power lines | Semiconductor chips | Input impedance | Green's functions | Lossy media | Transfer functions | Color | Medical instruments | Wave equations | Smith chart | Reflection | Catheters | Transmission lines | Heating | Current distribution | Mathematical models | Impedance | Reflectance
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18. Full Text Characteristic impedance: Frequency or time domain approach?
by Qureshi, M Umar and Colebank, Mitchel J and Schreier, David A and Tabima, Diana M and Haider, Mansoor A and Chesler, Naomi C and Olufsen, Mette S
Physiological Measurement, ISSN 0967-3334, 01/2018, Volume 39, Issue 1, p. 014004
Objective: Characteristic impedance (Zc) is an important component in the theory of hemodynamics. It is a commonly used metric of proximal arterial stiffness... 
large arteries | Fourier methods | impedance analysis | blood pressure and flow | characteristic impedance | pulse wave analysis | time domain analysis | PHYSIOLOGY | PULMONARY-HYPERTENSION | ENGINEERING, BIOMEDICAL | AORTIC INPUT IMPEDANCE | HEMODYNAMICS | PRESSURE | WAVES | BIOPHYSICS | STIFFNESS | ARTERY | Blood Pressure | Animals | Pulse Wave Analysis | Time Factors | Heart - physiology | Humans | Signal-To-Noise Ratio | Dogs | Mice | Electric Impedance | Hemodynamics
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