influencing the time-responses in transceiver terminals:
driving pulses and echo signals. These interactions are
neglected, or are only considered in a simplified way, in
conventional modelling approaches.
In this paper, the origin and effects of these non-linear
influences from electronics will be analysed by using new
alternatives for time-simulation. Previous simplified
approaches are improved by using more accurate cir-
cuital descriptions, specially indicated for the high-
frequency range. Equivalent circuits are proposed for
the whole pulse-echo configuration, including non-
conventional and parasitic influences of the electronic
stages, and used to simulate transceiver responses in
NDE schemes. Relative effects on emission and recep-
tion responses are analysed, by comparing alternative
simulation results and also experimental data.
influencing the time-responses in transceiver terminals:driving pulses and echo signals. These interactions areneglected, or are only considered in a simplified way, inconventional modelling approaches. In this paper, the origin and effects of these non-linearinfluences from electronics will be analysed by using newalternatives for time-simulation. Previous simplifiedapproaches are improved by using more accurate cir-cuital descriptions, specially indicated for the high-frequency range. Equivalent circuits are proposed forthe whole pulse-echo configuration, including non-conventional and parasitic influences of the electronicstages, and used to simulate transceiver responses inNDE schemes. Relative effects on emission and recep-tion responses are analysed, by comparing alternativesimulation results and also experimental data.
การแปล กรุณารอสักครู่..