Beschreibung
Produktdetails
Einband
Taschenbuch
Erscheinungsdatum
27.10.2013
Verlag
VDMSeitenzahl
172
Maße (L/B/H)
22/15/1 cm
Gewicht
240 g
Sprache
Deutsch
ISBN
978-3-639-09690-3
This book describes the design and architecture of
ACT 4, Rensselaer''s 4th generation electrical
impedance tomograph. ACT 4 has a modular design that
can support up to 72 electrodes. The instrument is
able to apply either voltages or currents to all the
electrodes simultaneously and to measure the
resulting currents or voltages. ACT 4 is also able
to work with discrete excitation frequencies in the
range from 300 Hz to 1 MHz. To implement this high-
speed, high-precision, multi-channel instrument, the
analog electronics are augmented with a distributed
digital system, including a computer, Digital Signal
Processors (DSPs) and Field-Programmable Gate Arrays
(FPGAs).The overall system architecture is presented
as well as the implementation in FPGA firmware.
Experimental results are presented that validate
system performance.
ACT 4, Rensselaer''s 4th generation electrical
impedance tomograph. ACT 4 has a modular design that
can support up to 72 electrodes. The instrument is
able to apply either voltages or currents to all the
electrodes simultaneously and to measure the
resulting currents or voltages. ACT 4 is also able
to work with discrete excitation frequencies in the
range from 300 Hz to 1 MHz. To implement this high-
speed, high-precision, multi-channel instrument, the
analog electronics are augmented with a distributed
digital system, including a computer, Digital Signal
Processors (DSPs) and Field-Programmable Gate Arrays
(FPGAs).The overall system architecture is presented
as well as the implementation in FPGA firmware.
Experimental results are presented that validate
system performance.
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