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Temperature Measurement Sites01:14

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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
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Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
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The operational amplifier, often referred to as an op-amp, is a multifaceted building block of a circuit. This electronic component functions like a voltage-controlled voltage source and can also be used to create a voltage- or current-controlled current source. The design of an operational amplifier enables it to execute mathematical operations when external components like resistors and capacitors are linked to its terminals. An op-amp has the capacity to sum signals, amplify a signal,...
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An Adaptive Optimization Method for Acoustic Temperature Measurement Topology Based on Multiple Sub-Objectives.

Jialiang Zhu1,2, Xinzhi Zhou1, Hailin Wang2

  • 1College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China.

Sensors (Basel, Switzerland)
|April 28, 2025
PubMed
Summary

This study introduces an adaptive method for optimizing acoustic temperature measurement transducer placement. The novel approach enhances accuracy and stability in reconstructing complex temperature fields.

Keywords:
acoustic tomographyadaptive optimizationasymmetric distributionmulti-objectivetemperature field reconstructiontopology

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Area of Science:

  • Acoustic thermometry
  • Non-invasive temperature measurement
  • Temperature field reconstruction

Background:

  • Acoustic temperature measurement offers non-invasive, precise, and rapid temperature readings.
  • It reconstructs entire temperature fields, overcoming point-type thermometry limitations.
  • Transducer topology significantly impacts reconstruction accuracy, but current engineering methods lack adaptability for complex fields.

Purpose of the Study:

  • To propose an adaptive optimization method for acoustic temperature measurement transducer topology.
  • To enhance the reconstruction of complex and asymmetric temperature fields.
  • To improve accuracy and stability in temperature field measurement.

Main Methods:

  • Developed an adaptive optimization method based on multiple sub-objectives.
  • Introduced a new optimization variable and a new optimization objective.
  • Evaluated reconstruction performance through comparison experiments.

Main Results:

  • The proposed method adaptively optimizes transducer topology.
  • Demonstrated improved reconstruction of asymmetric complex temperature fields.
  • Achieved high accuracy and stability in experimental evaluations.

Conclusions:

  • The adaptive optimization method effectively improves acoustic temperature measurement.
  • The novel approach enhances the reconstruction of challenging temperature distributions.
  • This method offers a more robust solution for engineering applications requiring precise temperature mapping.