An all-fiber frequency-domain interference absolute distance measurement method and device
A measurement method and absolute distance technology, which is applied in the field of all-fiber frequency domain interference absolute distance measurement method and device, can solve the problems of negative influence of the measured object, limited wide application, and inability to measure the absolute distance of the object, so as to improve the measurement accuracy and Measuring range, effect of improving signal-to-noise ratio
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[0053] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0054] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0055] Relevant description of the present invention:
[0056] 1. The pigtail of the fiber optic probe 4 is connected to the second port II of the circulator 3. The light emitting end face of the fiber optic probe 4 irradiates the light wave on the surface of the reflector and simultaneously receives the reflected light wave returned from the surface of the reflector. The received reflected light wave is input to the adjustable optical fiber ...
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