fiber bragg grating fbg 中文意思是什麼
fiber bragg grating fbg
解釋
光纖布拉格光柵-
This paper study a new kind of encoding fiber bragg grating sensing system, it introduces a new dimensions encoding fiber grating sensing multiplex method, as is to fabricate two or more fbgs with different peak wavelength in the same location of the fiber, called encoding fbg
本課題研製一種編碼式光纖光柵傳感檢測系統，該系統引入多維編碼光纖光柵傳感復用新方法。在光纖的同一位置，製作兩個或者兩個以上不同波長的光纖布拉格光柵，稱之為編碼式光纖光柵。 -
Fiber bragg grating ( fbg ) sensor is a wavelength - encode sensor. it has many unique characteristics, for example it can be immune from light source disturbance and system loss, now it is one of the current heat research fields in the optical fiber sensing fields
布拉格光纖光柵（ fbg ）傳感器屬于波長調制型光纖傳感器，具有不受光源功率波動和系統損耗等獨特的優點，成為目前光纖傳感領域的研究熱點之一。 -
Fiber bragg grating ( fbg ) is an optical fiber passive device and develops quickly in the last decade
光纖光柵是近幾年發展最為迅速的光纖無源器件之一。 -
This dissertation emphasizes on the study of fiber bragg grating ( fbg ) based programmable oadm and multiwavelength erbium - doped fiber lasers, and includes the detail descriptions on the following subjects : 1. the spectra characteristics of both the single mode fiber bragg grating and the hi - birefringence fiber bragg grating are analyzed and simulated with coupled - mode theory
本論文以基於光纖光柵的可編程oadm和多波長摻鉺光纖激光器作為主要研究對象，進行了以下研究工作: 1 .利用耦合模理論分別對光纖布喇格光柵和雙折射光纖布喇格光柵的光譜特性進行了分析和計算機模擬。 -
Note that all these structures are numerically simulated firstly and then verified by the experiments. fourthly, in accordance with the need of gain control in a wavelength division multiplexed system, a gain - clamped l - band edfa using a single fiber bragg grating ( fbg ) is proposed. based on the giles model with ase, numerical simulation for the all - optical gain - clamped edfa is carried out
最後給出一組使edfa在箱制增益的同時可以保持增益譜平坦的最佳結構和放大器參量;最後，初步介紹了光纖的非線性效應的產生機理及其對光通信系統的影響;實驗研究了應用edfa測t布里淵散射闡值的實驗裝置與方法。 -
A novel fiber bragg grating sensors multiplexing system which combined with hibi flm and f - p filter is put forwarded. the experiment and the theory analysis demonstrated that the system only scan and demodulate sensing channels, whose wavelength is shifting. what ’ s more, the smart fbg sensors multiplexing system can rule the demodulate sequence by the priority, the waiting time and the wavelength shifting of every sensing channels
3 .提出基於ingaas陣列和f - p濾波器的智能化復用系統，該系統只對感測到被測量變化的傳感器進行掃描解調，並可根據每一個傳感器的優先權、信息等待時間和信號變化大小等靈活設定掃描解調順序，平均解調速度也得到提高。 -
In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals
首先，論文從分散式光纖光柵應變傳感網路的理論模型入手，分析了光纖布拉格光柵的傳感機理，建立光纖光柵應變傳感模型；在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上，提出應用光頻域反射復用技術和波分復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題，採用由寬帶光源和可調諧光濾波器組成的可調諧窄帶光源來解調復用信號，通過理論分析和實驗研究證實了系統方案的可行性。 -
Fiber bragg grating ( fbg ) sensor, which uses the property that the bragg wavelength is sensitive to temperature and strain, is a new kind of fiber optic sensor. in addition to having the same functions as the traditional electric sensors, the fbg sensor also has some special characteristics such as distributed sensing, immune to electromagnetic interference, high precision and long - term stability
光纖bragg光柵傳感器是利用bragg波長對溫度、應力的敏感特性而製成的一種新型的光纖傳感器，除具有傳統電類傳感器的功能外，它還具有分佈傳感、抗電磁干擾、精度高、長期穩定性好等優點，在大型復合材料和混凝土的結構監測、智能材料的性能監測、電力工業、醫藥和化工等領域有著廣闊的應用前景。
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