optical filtering 中文意思是什麼

On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

另一方面，運用光學信息處理方法，我們探討了awg型相干系統頻譜區兩類基本的濾波函數的引入，設計了兩種光信號處理器：光信號加減器以及位相，濾波器。

To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。

For this purpose, by combining techniques of optical superresolution and image superresolution, this thesis proposes a novel lateral superresolution confocal microscopy method based on image restoration and annular pupil filtering. the following two aspects are the main research work i have completed so far. first, designed and realized a shaped annular beam confocal microscopy system ( sabcms ), in order to improve the lateral resolution of cm

第二，對整形環形光共焦顯微系統所成像進行基於最大似然估計法（ maximumlikelihoodestimate ， mle ）的超分辨復原處理，以期進一步改善共焦顯微鏡的橫向分辨力，具體包括: 1 .實現基於pmle （ mlebasedonpoissondistribution ）法的圖像復原式整形環形光橫向超分辨共焦顯微成像系統。

The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。

Sunvo company has launched the domestic and international advanced process technologies continuously, and developed hundreds of different types of small - scale, single - slot, multi - slot standard and non - standard ultrasonic cleaners using imported and domestic high - quality components, applicable to bearing parts, automobile parts, magnetic materials, musical instruments, aircraft parts, electroplating parts, optical components, circuit boards, watch components, semiconductors, polyester filtering cores, medical equipment, military products, nuclear industry and precision instruments and so on

山河不斷引進國內國際先進工藝技術，採用進口及國內優質元器件，開發出幾百種規格的小型、單槽、多槽等標準和非標的超聲波清洗機，適用於軸承零件，汽車零部件，磁性材料，樂器零件，飛機零件，電鍍零件，光學零件，電路板，鐘表零件，半導體，滌綸過濾芯，醫療器械，軍工產品，核工業，精密儀器等等行業。

On the basis of fbg " working mechanism which is expounded on the approach of mode - coupled theory, the paper analyzes and compares the characteristics of some typical demodulation mechanisms. a novel demodulation mechanism for fbg with a cantilever beam to linearly tunable filtering is designed, and the theoretical and experimental analysis on this demodulation mechanism is explained. although the experiment conditions restrict it, the analysis of the measured data show the mechanism has great effect on the practical applicationjiot only in optical communication and sensor systems

在使用模式耦合理論詳盡地闡述了光纖光柵工作原理的基礎上，本論文分析比較了幾種典型的傳感解調方案的特點，然後設計了一套新穎的基於懸臂梁線性調諧濾波的光纖光柵解調系統，並對這套系統進行了理論和實驗研究。盡管由於實驗條件所限，最後的實驗結果與實際值稍有差距，仍得到了許多有益的結論。

So, in this section, a double - passage 4f wavelet filtering optical system is put forward, combining with the visual computation theory. the dog wavelet function is selected in the filter system, and the output images are just the expected, hi this part, an optical - electrical mixed system model is also mentioned, which has the advantages both in optical processing and digital processing system, such as real - time > intelligence

因此，文章在這一部分提出了一個雙通道4f小波濾波光學系統，並結合視覺計算理論，選擇了適合的小波母函數? ? dog函數製成濾被模片，對輸入圖像進行了不同尺度下的信息提取，得到了期望的輸出。

The goal of the filter is to improve the sensitivity of an optical receiver by optimally filtering a communication signal. in this paper we calculated the temporal response of the matched filter, the commonly used f - p filter, as well as the matched weak ofbg filter. we find that the reflected pulse of weak ofbg closely resembles the triangular shape characteristic of a perfectly matched filter

論文計算了通信系統中矩形光脈沖信號經強、弱ofbg 、匹配光濾波器、 f - p濾波器的輸出光脈沖波形，經分析比較后發現：弱ofbg和理想匹配光濾波器的輸出信號波形極其相似，不存在碼間干擾，而f - p濾波器的輸出波形存在比較嚴重的碼間干擾。

For the coordination of the contradictory, the wavefront technique has been regarded as an effective method to improve the image quality in photolithography by optimizing the image of the mask. it includes : pupil filtering, phase shift mask, off - axis illumination, optical proximity correction, and so on

為了協調這種矛盾，利用波前工程來改善光刻圖形的質量以提高光刻解析度，已廣泛地應用於光學光刻中，如：瞳孔濾波、相移掩模、離軸照明、光學鄰近效應校正等。

Optical spatial filtering is the based operation on oip and the foundation of high - pass, low - pass, band - pass, edge - enhance and feature distinguishing. this simulation experiments system includes special filtering experiments when the input image is one - dimension grating, two - dimension grating or general image

以4f相干光學成像理論為基礎，本模擬實驗系統給出了一維黑白光柵的空間濾波、網格和非周期性結構輸入物的空間濾波等模擬實驗。

As analyzing the optical spatial filter and frequency domain filter with wavelet transform, the space variable processing > matched filtering and imagery system are the examples. all of these confirm the feasibility of wavelet transform applied in optical information processing

用小波變換處理光學信息，主要的是應用小波的多分辨特性，小波變換的定義是一相關運算，很容易在光學系統中實現，這是光學小波變換的理論依據。

Most of today ’ s demodulation techniques rely on optical filtering method, such as bulk optical edge filters, scanning fiber fabry - perot filters, wdm fiber couplers, acousto - optic tunable filters and mach - zehnder filters

目前，以布喇格光纖光柵（ fbg : fiberbragggrating ）為傳感器件的傳感器已成為研發主流。