A new generation of passive radio requestable SAW sensors for ultra fast measurements

In this paper we discuss surface acoustic wave sensors for the measurement of dynamic measurands. The sensor types and the principles of effecting by the measurand are described. For non-stationary measurands, terms like bandwidth, resolution and error limits are discussed, boundaries are given. A new method of SAW radio sensors is introduced, capable for high speed measurements. Dynamic parameters are estimated experimental results are given for these new SAW sensor devices.