Search Results - "de Jong, Nicolaas"

Measurement of Pipe and Liquid Parameters Using the Beam Steering Capabilities of Array-Based Clamp-On Ultrasonic Flow Meters by Massaad, Jack, van Neer, Paul L. M. J., van Willigen, Douwe M., Pertijs, Michiel A. P., de Jong, Nicolaas, Verweij, Martin D.

“…Clamp-on ultrasonic flow meters (UFMs) are installed on the outside of the pipe wall. Typically, they consist of two single-element transducers mounted on…”
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Algorithm to Correct Measurement Offsets Introduced by Inactive Elements of Transducer Arrays in Ultrasonic Flow Metering by Massaad, Jack, van Neer, Paul L M J, van Willigen, Douwe M, Pertijs, Michiel A P, de Jong, Nicolaas, Verweij, Martin D

“…Ultrasonic flow meters (UFMs) based on transducer arrays offer several advantages. With electronic beam steering, it is possible to tune the steering angle of…”
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Measurement of Pipe and Fluid Properties With a Matrix Array-Based Ultrasonic Clamp-On Flow Meter by Massaad, Jack, van Neer, Paul L. M. J., van Willigen, Douwe M., Sabbadini, Alberico, de Jong, Nicolaas, Pertijs, Michiel A. P., Verweij, Martin D.

“…Current ultrasonic clamp-on flow meters consist of a pair of single-element transducers that are carefully positioned before use. This positioning process…”
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Design and Proof-of-Concept of a Matrix Transducer Array for Clamp-On Ultrasonic Flow Measurements by Massaad, Jack, Van Neer, Paul L. M. J., Van Willigen, Douwe M., Noothout, Emile C., de Jong, Nicolaas, Pertijs, Michiel A. P., Verweij, Martin D.

“…Common clamp-on ultrasonic flow meters consist of two single-element transducers placed on the pipe wall. Flow speed is measured noninvasively, i.e., without…”
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Exploiting nonlinear wave propagation to improve the precision of ultrasonic flow meters by Massaad, Jack, van Neer, Paul L.M.J., van Willigen, Douwe M., de Jong, Nicolaas, Pertijs, Michiel A.P., Verweij, Martin D.

“…Acoustic wave propagation in ultrasonic flow measurements is typically assumed to be linear and reciprocal. However, if the transmitting transducer generates a…”
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Suppression of Lamb wave excitation via aperture control of a transducer array for ultrasonic clamp-on flow metering by Massaad, Jack, van Neer, Paul L. M. J., van Willigen, Douwe M., Pertijs, Michiel A. P., de Jong, Nicolaas, Verweij, Martin D.

“…During ultrasonic clamp-on flow metering, Lamb waves propagating in the pipe wall may limit the measurement accuracy by introducing absolute errors in the flow…”
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Ultrasound probe having transducer elements with different frequency centers by De Jong, Nicolaas

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System identification of ankle joint dynamics based on plane-wave ultrasound muscle imaging by Ossenkoppele, Boudewine W., Daeichin, Verya, Rodriguez Hernandez, Karen E., de Jong, Nicolaas, Verweij, Martin D., Schouten, Alfred C., Mugge, Winfred

“…Effective treatment of movement disorders requires thorough understanding of human limb control. Joint dynamics can be assessed using robotic manipulators and…”
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Acoustic Design of a Transducer Array for Ultrasonic Clamp-on Flow Metering by Massaad, Jack, Willigen, Douwe van, van Neer, Paul, de Jong, Nicolaas, Pertijs, Michiel, Verweij, Martin

“…Current ultrasonic clamp-on flow meters are based on single-element transducers that require manual calibration by aligning these to a fixed acoustic path…”
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Feasibility of Ultrasonic Flow Measurements via Non-Linear Wave Propagation by Massaad, Jack, Van Neer, Paul, Van Willigen, Douwe, De Jong, Nicolaas, Pertijs, Michiel, Verweij, Martin

“…Typically, ultrasonic flow meters assume linear wave propagation. Nevertheless, if the transducers of an ultrasonic flow sensor excite a pressure wave with a…”
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Minimizing the Zero-Flow Error in Transit-Time Ultrasonic Flow Meters by Van Willigen, Douwe, Van Neer, Paul, Massaad, Jack, Verweij, Martin, De Jong, Nicolaas, Pertijs, Michiel

“…Transit-time ultrasonic flow meters are based on the fundamental idea that the flow is the only non-reciprocal effect between an upstream and downstream…”
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ASIC Design for a Single-Cable 64-Element Ultrasound Probe by Van Willigen, Douwe, Janjic, Jovana, Kang, Eunchul, Chang, Zu Yao, Noothout, Emile, Verweijl, Martin, Dejong, Nicolaas, Pertijs, Michiel

“…This paper presents an ASIC (Application Specific Integrated Circuit) design for a catheter probe that interfaces 64 piezoelectric elements directly integrated…”
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NONLINEAR ANALOG COMPUTATION AND MULTIFUNCTION GENERATION WITH NONLINEAR PULSE WIDTH MODULATION by DE JONG, JOANNES NICOLAAS MATTHEUS

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