The amplitude and phase of each sinusoidal frequency component in a signal can be
obtained by phase-sensitive demodulation, which is commonly used in electrical …

This paper presents the design and study of a digital capacitance measuring circuit with
theoretical analysis, numerical simulation, and experimental evaluation. The static and …

Two means can be used to improve the data acquisition rate of the electrical capacitance
tomography (ECT) system with a fixed excitation frequency, ie, improving the capacitance …

A very small value of inter-electrode capacitance is a main factor limiting image spatial
resolution of electrical capacitance tomography. The front-end sensing circuit of …

Electrical capacitance tomography (ECT) utilizes measured mutual capacitances across a
region of interest to visualize distributions inside. As typical two-phase flows can be roughly …

Electrical tomography techniques for process imaging are very prominent for industrial
applications, such as the oil and gas industry and chemical refineries, owing to their ability to …

Electrical capacitance tomography (ECT) is a relatively mature non-invasive imaging
technique that attempts to map dielectric permittivity of materials. Recently, 3D ECT has …

Electrical capacitance tomography (ECT) has been developed for imaging permittivity
distribution of two-phase flows in a pipe or vessel with high temporal resolution. The spatial …

This paper presents a fixed-point reconfigurable parallel VLSI hardware architecture for real-
time Electrical Capacitance Tomography (ECT). It is modular and consists of a front-end …

In this paper, an AC-based agile parallel hardware system was introduced for ECT. A multi-
frequency excitation and measurement strategy was proposed to minimize the switching …