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Implementation and testing

Implementation and testing

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Following the design and simulation of the sensors, the implementation poses its own challenges, both mechanical and electrical. These have to be resolved, and their effects on performance must be evaluated. This chapter discusses the implementation of the sensors followed by testing. Much of the functional testing was reported in Chapter 6 and will not be addressed here. However, microwave systems are very sensitive to mechanical issues, and these will be addressed here. In particular, resonant systems, because of their high sensitivity to variations in volume of material, position of the tested material within the cavity, and, of course, variations in permittivity, require special attention to mechanical structures that support and facilitate the measurement.

Chapter Contents:

  • 7.1 Introduction
  • 7.2 The mechanical system
  • 7.3 Evaluation of the mechanical system
  • 7.4 Calibration
  • 7.5 Compensation for environmental conditions
  • 7.5.1 Compensation method

Inspec keywords: microwave detectors; microwave measurement; materials testing

Other keywords: mechanical structure; functional testing; materials testing; microwave system; resonant system; sensor

Subjects: Microwave circuits and devices; Sensing devices and transducers; Microwave measurement techniques; Sensing and detecting devices

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