High precision distributed optical fiber frequency transmission method
A distributed optical fiber and frequency transmission technology, applied in transmission systems, wavelength division multiplexing systems, electromagnetic wave transmission systems, etc., can solve problems such as backscattering symmetry system complexity, achieve unlimited dynamic range, ensure symmetry, good long-term stability
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[0026] The present invention will be further described below in conjunction with drawings and embodiments. The examples are carried out on the premise of the technical solutions of the present invention, and detailed implementation methods and processes are given, but the protection scope of the present invention is not limited to the following examples.
[0027] The block diagram of the system structure of this embodiment is as follows figure 1 As shown, it includes: a local end 1, an optical fiber link 2, multiple user ends 3, and a remote end 4. The local end 1 and the remote end 4 are located at both ends of the optical fiber link 2, and multiple user ends 3 are connected to the optical fiber link through optical coupling modules.
[0028] The local terminal 1 as described in figure 2 shown. The transmitted frequency signal is divided into two paths by the power divider 1-1. One way is input to the double frequency mixing module 1-2, and the other way is to generate a...
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