A Method for the Design of Instrument Systems for Measurements of Highest Sensitivity†
Titel:
A Method for the Design of Instrument Systems for Measurements of Highest Sensitivity†
Auteur:
Fisher, D. J.
Verschenen in:
Instrumentation science & technology
Paginering:
Jaargang 2 (1969) nr. 1 pagina's 1-50
Jaar:
1969
Inhoud:
The over-all purpose of this paper is to present an explanation and survey of topics that are particularly pertinent to the design of instrument systems for measurements of highest sensitivity. The paper necessarily includes a wide range of subject matter. To concisely describe the scope of the paper and to provide a means for quick access to the specific topics as well, a table of contents is located immediately after the summary. The headings and subheadings in the text are keyed to this table. The first specific purpose of this paper is to present a method, a design philosophy, for the design of instrumentation for highly sensitive measurements. Two premises of the method, the significance of signal-to-noise ratio, a definition of measurement system and the identification of the system elements, and the procedure for the optimal design of the system and of its elements are given in Section I. The second specific purpose of this paper is to present information essential to the implementation of this method: namely, meanings, significances, implications, comparisons, illustrations, and conclusions regarding the pertinent topics. These topics are discussed in Sections II-VII. The third specific purpose of this paper is to further clarify and illustrate the method itself by means of examples of its application in two measurement areas: de polarography (Section VIII. A) and flame photometry (Section VIII. B). The fourth is to provide illustrations of the design and uses of circuit elements and systems to optimize and enhance S/N, with examples of performance capabilities in exemplary applications (Section IX). The fifth is to furnish a critical bibliography of sources of details about underlying theory and principles, and to include a selected bibliography of application information for biological, physical, chemical, and technical measurements (see References).
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