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The design of digital temperature transmitter based on microcontroller ADuC824 is introduced. With the peripheral feature integrated in microcontroller ADuC824 the hardware is simplified and reliability is improved. The interface of thermocouple with A/D converter in ADuC824 and RS232 interface with master computer is presented. The non-linear compensation and cold-junction compensation of thermocouple...
The concept of thermal dose as a predictor for the size of the necrosed tissue volume during high-intensity focussed ultrasound surgery was tested. The sensitivity of the predicted lesion size to the uncertainties in the iso-dose constant, attenuation coefficient, and thermal dose threshold of necrosis was studied. The predicted lesion size appears to be independent of attenuation at some high attenuation...
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