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METHODS FOR THE USE OF INHERENT FREQUENCY SHIFTING MECHANISMS FOR SENSORS RESPONSE READING WITH CONTINUOUS WAVE EXCITATION
METHODS FOR THE USE OF INHERENT FREQUENCY SHIFTING MECHANISMS FOR SENSORS RESPONSE READING WITH CONTINUOUS WAVE EXCITATION
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机译:连续波激励下传感器响应阅读固有频率转换机制的使用方法
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摘要
A method and system of the invention generally relate to measuring ambient pressure in systems comprising incompressible fluids. Particularly, the method and system relate to monitoring pressure within body lumens. The ambient pressure may be measured by transmitting a frequency comb having non-uniform spacing between transmitted frequencies at the passive sensor and measuring the frequency response of the passive sensor. In one embodiment, a higher-order harmonic of the sensor is excited and measured to determine the ambient pressure. In another embodiment, the frequency response of frequencies in-between the transmitted frequencies are measured to determine the ambient pressure.
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