Null method


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(Physics.) a zero method. See under Zero.

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It covers typical measurement system architecture and sensor dynamics, signal conditioning, and data display and storage, as well as errors in measurement; analog signal conditioning in instrumentation; noise and coherent interference in measurements; null methods of measurement; sensor mechanisms; applications of sensors to physical measurements; basic electrical measurements; digital interfaces in measurement systems; digital signal conditioning in instrumentation; solid-state chemical microsensors and wireless instrumentation and mechanical microsensors (new chapters); and examples of the design of measurement systems.