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ORCIDTodd J. Freeborn
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2020 – today
- 2024
[j23]Mitar Simic
, Todd J. Freeborn, Goran M. Stojanovic:
Smartphone-Based Parameter Estimation of the Cole-Impedance Model for Assessment of Agricultural Goods. IEEE Access 12: 103192-103202 (2024)- [j22]Todd J. Freeborn, Jacob A. Mota:
Ultrasound DICOM Renamer: A MATLAB graphical user interface for workflow improvement for DICOM ultrasound renaming. SoftwareX 26: 101743 (2024) - 2023
- [j21]Todd J. Freeborn, Shelby Critcher, Gwendolyn L. Hooper:
Segmental Tissue Resistance of Healthy Young Adults during Four Hours of 6-Degree Head-Down-Tilt Positioning. Sensors 23(5): 2793 (2023) - 2021
- [j20]Todd J. Freeborn, Memorie Gosa:
Analysis of localized bioimpedance from healthy young adults during activities of the vocal folds using Cole-impedance model representation. Biomed. Signal Process. Control. 68: 102665 (2021) - [j19]Shelby Critcher, Todd J. Freeborn:
Flexible PCB Failures From Dynamic Activity and Their Impacts on Bioimpedance Measurements: A Wearable Case Study. IEEE Open J. Circuits Syst. 2: 732-742 (2021) - [j18]Shelby Critcher, Todd J. Freeborn:
Localized Bioimpedance Measurements with the MAX3000x Integrated Circuit: Characterization and Demonstration. Sensors 21(9): 3013 (2021) - [c24]Todd J. Freeborn, Shelby Critcher, Gwendolyn L. Hooper:
Short-Term Segmental Bioimpedance Alterations During 6° Head-Down Tilt. EMBC 2021: 6974-6977 - [c23]Shelby Critcher, Todd J. Freeborn:
Residual Impedance Impact on MAX30001 Accuracy for Bioimpedance Applications. LASCAS 2021: 1-4 - [c22]Todd J. Freeborn, Shelby Critcher:
Estimating Cole-Impedance Parameters from Limited Frequency-Band Impedance Measurements. LASCAS 2021: 1-4 - [c21]Todd J. Freeborn, Shelby Critcher:
Bioimpedance Alterations of Knee Site Tissues During Dynamic Activity of Varying Intensity. TSP 2021: 320-323 - 2020
- [j17]Todd J. Freeborn, Gabriella Regard, Bo Fu:
Localized Bicep Tissue Bioimpedance Alterations Following Eccentric Exercise in Healthy Young Adults. IEEE Access 8: 23100-23109 (2020) - [j16]Norbert Herencsar, Todd J. Freeborn, Aslihan Kartci, Oguzhan Cicekoglu:
A Comparative Study of Two Fractional-Order Equivalent Electrical Circuits for Modeling the Electrical Impedance of Dental Tissues. Entropy 22(10): 1117 (2020) - [j15]Robert Joseph Mathews, Todd J. Freeborn:
Modeling and experimental validation of parasitic capacitance effects on emulated bioimpedance measurements with high-impedance residuals. Int. J. Circuit Theory Appl. 48(7): 1057-1069 (2020) - [c20]Shelby Critcher, Todd J. Freeborn:
Multi-Site Impedance Measurement System based on MAX30001 Integrated-Circuit. MWSCAS 2020: 381-386 - [c19]Bo Fu, Ali Shahabi, Todd J. Freeborn, Andrew N. Lemmon, Mithat C. Kisacikoglu:
Experimental Validation of CT-Snubber for Multichip SiC MOSFET Power Module. MWSCAS 2020: 419-423
2010 – 2019
- 2019
- [j14]Todd J. Freeborn, Ahmed S. Elwakil:
Rates and Effects of Local Minima on Fractional-Order Circuit Model Parameters Extracted from Supercapacitor Discharging Using Least Squares Optimization. Circuits Syst. Signal Process. 38(5): 1907-1922 (2019) - [j13]David Kubánek, Todd J. Freeborn, Jaroslav Koton:
Fractional-order band-pass filter design using fractional-characteristic specimen functions. Microelectron. J. 86: 77-86 (2019) - [j12]Todd J. Freeborn:
Performance evaluation of raspberry Pi platform for bioimpedance analysis using least squares optimization. Pers. Ubiquitous Comput. 23(2): 279-285 (2019) - [j11]Blake W. Nelson, Andrew N. Lemmon, Brian T. DeBoi, Todd J. Freeborn:
Modeling and Validation of Fixture-Induced Error for Impedance Measurements. IEEE Trans. Instrum. Meas. 68(1): 129-137 (2019) - [c18]David Kubánek, Todd J. Freeborn, Jaroslav Koton, Jan Dvorak:
Transfer Functions of Fractional-Order Band-Pass Filter with Arbitrary Magnitude Slope in Stopband. TSP 2019: 655-659 - 2018
- [j10]Abdulwadood A. Al-Ali, Ahmed S. Elwakil, Brent Maundy, Todd J. Freeborn:
Extraction of Phase Information from Magnitude-Only Bio-impedance Measurements Using a Modified Kramers-Kronig Transform. Circuits Syst. Signal Process. 37(8): 3635-3650 (2018) - [c17]Bo Fu, Todd J. Freeborn:
Estimating Localized Bio-impedance with Measures from Multiple Redundant Electrode Configurations. EMBC 2018: 4351-4354 - [c16]Jaroslav Koton, Jorgen Hagset Stavnesli, Todd J. Freeborn:
Performance Analysis of Oustaloup Approximation for the Design of Fractional-Order Analogue Circuits. ICUMT 2018: 1-4 - [c15]Todd J. Freeborn, Gary W. Bohannan:
Changes of Fractional-Order Model Parameters in Biceps Tissue from Fatiguing Exercise. ISCAS 2018: 1-5 - [c14]Todd J. Freeborn, Ahmed S. Elwakil, Anis Allagui:
Supercapacitor Fractional-Order Model Discharging from Polynomial Time-Varying Currents. ISCAS 2018: 1-5 - [c13]Todd J. Freeborn, David Kubánek, Jaroslav Koton, Jan Dvorak:
Fractional-order Lowpass Elliptic Responses of (1+α)-order Transfer Functions. TSP 2018: 1-5 - 2017
- [j9]Ahmed S. Elwakil, Ahmed G. Radwan, Todd J. Freeborn, Anis Allagui, Brent J. Maundy, Mohamed E. Fouda:
Low-voltage commercial super-capacitor response to periodic linear-with-time current excitation: a case study. IET Circuits Devices Syst. 11(3): 189-195 (2017) - [c12]Todd J. Freeborn, Anis Allagui, Ahmed S. Elwakil:
Modelling supercapacitors leakage behaviour using a fractional-order model. ECCTD 2017: 1-4 - [c11]Costas Vastarouchas, Georgia Tsirimokou, Todd J. Freeborn, Costas Psychalinos, Ahmed S. Elwakil:
Design of a wood tissue impedance emulator in monolithic form. ECCTD 2017: 1-4 - [c10]Todd J. Freeborn, Ahmed S. Elwakil:
Variability of supercapacitor fractional-order parameters extracted from discharging behavior using least squares optimization. ISCAS 2017: 1-4 - 2016
- [j8]Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy:
Approximated Fractional-Order Inverse Chebyshev Lowpass Filters. Circuits Syst. Signal Process. 35(6): 1973-1982 (2016) - [j7]Todd J. Freeborn:
Comparison of (1+α) Fractional-Order Transfer Functions to Approximate Lowpass Butterworth Magnitude Responses. Circuits Syst. Signal Process. 35(6): 1983-2002 (2016) - [j6]Georgia Tsirimokou, Costas Psychalinos, Todd J. Freeborn, Ahmed S. Elwakil:
Emulation of current excited fractional-order capacitors and inductors using OTA topologies. Microelectron. J. 55: 70-81 (2016) - [c9]Brent J. Maundy, Ahmed S. Elwakil, Todd J. Freeborn, Anis Allagui:
Improved method to determine supercapacitor metrics from highpass filter response. ICM 2016: 25-28 - [c8]Todd J. Freeborn, Ahmed S. Elwakil, Costas Psychalinos:
Analysis of a rectifier circuit realized with a fractional-order capacitor. ICM 2016: 33-36 - [c7]Brent J. Maundy, Ahmed S. Elwakil, Todd J. Freeborn, Anis Allagui:
Determination of supercapacitor metrics using a magnitude-only method. ISCAS 2016: 1186-1189 - [c6]Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy:
Electrode location impact on cole-impedance parameters using magnitude-only measurements. MWSCAS 2016: 1-4 - [c5]Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy:
Factors impacting accurate Cole-impedance extractions from magnitude-only measurements. SMC 2016: 223-227 - 2014
- [j5]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Extracting the parameters of the double-dispersion Cole bioimpedance model from magnitude response measurements. Medical Biol. Eng. Comput. 52(9): 749-758 (2014) - 2013
- [j4]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Measurement of Supercapacitor Fractional-Order Model Parameters From Voltage-Excited Step Response. IEEE J. Emerg. Sel. Topics Circuits Syst. 3(3): 367-376 (2013) - [j3]Todd J. Freeborn:
A Survey of Fractional-Order Circuit Models for Biology and Biomedicine. IEEE J. Emerg. Sel. Topics Circuits Syst. 3(3): 416-424 (2013) - [c4]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Accurate time domain extraction of supercapacitor fractional-order model parameters. ISCAS 2013: 2259-2262 - [c3]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Simplifying Cole-impedance extraction from the current-excited step response. MWSCAS 2013: 952-955 - 2012
- [c2]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Improved Cole-Cole parameter extraction from frequency response using least squares fitting. ISCAS 2012: 337-340 - 2011
- [j2]Brent Maundy, Ahmed S. Elwakil, Todd J. Freeborn:
On the practical realization of higher-order filters with fractional stepping. Signal Process. 91(3): 484-491 (2011) - 2010
- [j1]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Field programmable analogue array implementation of fractional step filters. IET Circuits Devices Syst. 4(6): 514-524 (2010) - [c1]Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil:
Towards the realization of fractional step filters. ISCAS 2010: 1037-1040
Coauthor Index
aka: Brent J. Maundy
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