Frequency modulated continuous wave (FMCW) frequency sweep non-leaner calibration system based on closed loop control and FMCW frequency sweep non-leaner calibration method based on closed loop control
A frequency modulation continuous wave and closed-loop control technology, applied in the field of optical frequency modulation, can solve the problems of non-linearity and difficulty in realizing high-precision and large-scale linear frequency sweeping, etc., to improve the linearity of output optical frequency, reduce the cost of algorithm compensation, and improve The effect of spatial resolution
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0042] Example
[0043] This embodiment provides an optical frequency modulation continuous wave frequency sweep nonlinear calibration system based on closed-loop control, including a frequency sweep laser source, a first coupler, a second coupler, a third coupler, a delay fiber, an acousto-optic frequency shift devices, balanced photodetectors, spectrum analyzers, digital frequency and phase detectors, and adders; of which:
[0044] The frequency sweeping laser source, the first coupler and the second coupler are arranged in sequence, and the second coupler is respectively connected with the delay fiber and the first end of the acousto-optic frequency shifter, and the delay fiber and the acousto-optic frequency shifter are respectively connected. The second ends of the device are respectively connected with the third coupler, the third coupler, the balanced photodetector, the digital frequency discriminator, and the adder are arranged in sequence, and the spectrum analyzer is...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap