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This textbook offers a unique compendium of measurement procedures
for experimental data acquisition. After introducing readers to the
basic theory of uncertainty evaluation in measurements, it shows
how to apply it in practice to conduct a range of laboratory
experiments with instruments and procedures operating both in the
time and frequency domains. Offering extensive practical
information and hands-on tips on using oscilloscopes, spectrum
analyzers and reflectometric instrumentation, the book shows
readers how to deal with e.g. filter characterization, operational
amplifiers, digital and analogic spectral analysis, and
reflectometry-based measurements. For each experiment, it describes
the corresponding uncertainty evaluation in detail. Bridging the
gap between theory and practice, the book offers a unique,
self-contained guide for engineering students and professionals
alike. It also provides university teachers and professors with a
valuable resource for their laboratory courses on electric and
electronic measurements.
This book is dedicated to the adoption of broadband microwave
reflectometry (BMR)-based methods for diagnostics and monitoring
applications. This electromagnetic technique has established as a
powerful tool for monitoring purposes; in fact, it can balance
several contrasting requirements, such as the versatility of the
system, low implementation cost, real-time response, possibility of
remote control, reliability, and adequate measurement accuracy.
Starting from an extensive survey of the state of the art and from
a clear and concise overview of the theoretical background,
throughout the book, the different approaches of BMR are considered
(i.e., time domain reflectometry - TDR, frequency domain
reflectometry - FDR, and the TDR/FDR combined approach) and several
applications are thoroughly investigated. The applications
considered herein are very diverse from each other and cover
different fields. In all the described procedures and methods, the
ultimate goal is to endow them with a significant performance
enhancement in terms of measurement accuracy, low cost,
versatility, and practical implementation possibility, so as to
unlock the strong potential of BMR.
This book offers a comprehensive review of innovative measurement
and monitoring solutions based on time domain reflectometry (TDR).
This technique has numerous applications in several fields, ranging
from the characterization of electronic devices to quality control
of vegetable oils. However, most of the well-established TDR-based
monitoring solutions rely on local or punctual probes; therefore,
typically, to monitor large areas/volumes, a high number of probes
must be employed, with the consequent maintenance and management
requirements. On such bases, in the last few years, the authors
have carried out extensive research on the use of diffused
wire-like sensing elements to be used as probes for TDR
measurements. The basic idea has been to extend the principles of
punctual TDR-based monitoring to multi-purpose networks of
diffused, sensing elements (SE's), embedded permanently within the
systems to be monitored (STBM's). These SEs can be tens of meters
long, and can follow any desired path inside the STBM.; in fact,
they are inactive inside the STBM. Additionally, these SE's are
passive (i.e., they do not require batteries) and their sensing
ability is activated, by the TDR signal, when they are connected to
the measurement instrument. In addition to this, these SE's are
completely maintenance-free. Starting from these considerations,
this book addresses the use of low-cost, passive, flexible,
wire-like SE's to be used in conjunction with TDR. This book also
provides several application test cases, with hints for practical
implementation of the described monitoring systems.
This book is dedicated to the adoption of broadband microwave
reflectometry (BMR)-based methods for diagnostics and monitoring
applications. This electromagnetic technique has established as a
powerful tool for monitoring purposes; in fact, it can balance
several contrasting requirements, such as the versatility of the
system, low implementation cost, real-time response, possibility of
remote control, reliability, and adequate measurement accuracy.
Starting from an extensive survey of the state of the art and from
a clear and concise overview of the theoretical background,
throughout the book, the different approaches of BMR are considered
(i.e., time domain reflectometry - TDR, frequency domain
reflectometry - FDR, and the TDR/FDR combined approach) and several
applications are thoroughly investigated. The applications
considered herein are very diverse from each other and cover
different fields. In all the described procedures and methods, the
ultimate goal is to endow them with a significant performance
enhancement in terms of measurement accuracy, low cost,
versatility, and practical implementation possibility, so as to
unlock the strong potential of BMR.
This textbook offers a unique compendium of measurement procedures
for experimental data acquisition. After introducing readers to the
basic theory of uncertainty evaluation in measurements, it shows
how to apply it in practice to conduct a range of laboratory
experiments with instruments and procedures operating both in the
time and frequency domains. Offering extensive practical
information and hands-on tips on using oscilloscopes, spectrum
analyzers and reflectometric instrumentation, the book shows
readers how to deal with e.g. filter characterization, operational
amplifiers, digital and analogic spectral analysis, and
reflectometry-based measurements. For each experiment, it describes
the corresponding uncertainty evaluation in detail. Bridging the
gap between theory and practice, the book offers a unique,
self-contained guide for engineering students and professionals
alike. It also provides university teachers and professors with a
valuable resource for their laboratory courses on electric and
electronic measurements.
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