optical analog 中文意思是什麼
optical analog
解釋
光學模擬-
According to the transmission requirement of solar radio heliograph, four transmitting schemes are compared and an analog optical fiber transmission system is chosen as the final mechanism
根據日像儀系統的傳輸性能要求，對四種光纖傳輸方案進行了綜合比較，最終選擇模擬光纖傳輸系統作為建設方案。 -
Finally designs the interface cirvuit with the master control system. the analog singal is isolated by linear optical isolator and the digital signal is isolated by common optical isolator
設計了與主控系統的介面隔離電路，採用線性光耦對模擬信號進行隔離，普通光耦對數字信號進行隔離。 -
The design method, debug method and the method of enhancing degree of linearity are researched in the constituting of analog signal isolating circuit with linear optical couplers
研究了應用線性光耦合器組成模擬信號隔離電路的設計方法、調試方法以及提高線性度的方法。 -
Abstract : the design method, debug method and the method of enhancing degree of linearity are researched in the constituting of analog signal isolating circuit with linear optical couplers
文摘:研究了應用線性光耦合器組成模擬信號隔離電路的設計方法、調試方法以及提高線性度的方法。 -
The result of a great deal of experiment shows that the digital control method proposed in this paper is better than the analog one widely used at present. the stability of optical output power and spectrum including temperature stability and long time stability is advanced in great degree
經過大量的實驗表明：與傳統的模擬控制方法相比，本文設計的數字控制方法能夠顯著的提高sld光源的出纖光功率和光譜的穩定性（包括溫度穩定性和時間穩定性） 。 -
The optical sampling with frequency - shift, asynchronous optical sampling, and photonic analog to digital conversion based on time - interleave were investigated, included the theoretical analysis and experimental demonstration
建立了頻差法光脈沖取樣、異步光取樣及基於時分光取樣的光子模數轉換實驗裝置。 -
2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統，以石英分支光纖作為傳輸光信號介質，高精度光電倍增管檢測， 16位多道數據採集卡為a d轉換，採用visualbasic編寫windows平臺操作軟體，菜單提示，窗口人機對話，研製成功單通道光纖化學過程傳感儀器系統。 -
In this article, at first, the dispersion conception and generation reason are explained, and the dispersion influences that are brought about in the analog and digital signal transmission in optical fiber communication are accounted for. next, the dispersion theory of optical fiber is discussed in detail and several useful technologies of dispersion compensation are introduced
論文首先從光纖色散的概念和起因入手，然後從數字和模擬信號傳輸兩個方面，說明了光纖色散對通信的影響，對光纖色散理論作了詳細地闡述和分析，並介紹了幾種已實用的色散補償技術。 -
Indispensable for high quality optical carrier signal reception in a large dynamic range, agc analog optical receivers are widely used in the optical transmission of radio and microwave signals, such as fiber catv, direct broadcast satellite tv, wireless communication and radar
摘要自動增益控制模擬光接收機廣泛應用於光纖有線電視、光纖直播衛星電視、無線通訊及雷達等射頻微波信號光傳輸，是實現大動態范圍光載波信號高質量接收必不可少的一項技術。 -
4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle
4 .通過研究，最終確定了以模擬插入脈沖計數法測距，冪函數族基最小二乘曲線擬合微分法測速，四象限探測器（ qd ）光斑定位法測角的脈沖激光雷達整體測量方案。 -
Firstly, the outputs of the infrared sensors are analog signals, which can be disturbed by noise in optical path and circuit. it has a low precision and stability when using traditional signal processing method, so in this paper a novel spectrum analysis method based on the fft is discussed and some methods are taken to rectify errors from the limitation of the fft
首先，由於紅外傳感器的光電轉換在光路和電路中都會受到噪聲的影響，針對採用傳統信號處理方法帶來的測量精度低、可靠性差這一問題，本文採用快速傅立葉變換和周期圖法的經典譜分析方法對傳感器信號進行處理，並對產生的誤差進行了分析和校正。 -
Initially, pdh was introduced to improve and replace the obsolete analog frequency division multiplex ( fdm ) system. however, it was soon found that pdh had shortcomings such as difficulty in management, high construction cost, limited applications and lack of connectivity standards at the optical layer. thus, in the early 1990s, synchronous digital hierarchy ( sdh ) was introduced in the transmission system
Pdh最初引入是為了改進和替代老式的模擬頻分復用器系統，但很快被發現pdh管理困難、造價高、應用范圍窄，且缺乏在光層面上的連接標準，因此90年代初期， sdh （ synchronousdigitalhierarchy ）標準被首先引入了傳輸系統。 -
Technical condition of optical transmitter module for optical fiber analog transmission
光纖模擬傳輸用光發射組件技術條件 -
The company s product lineup includes signal processing chips for various sensors, ics for optical communication, analog ic products, and module design services
公司發展以各式感測器所需之訊號處理晶片光通訊ic產品類比ic產品與模組設計服務為主軸。 -
Technical conditions of optical receive module for optical fiber analog transmission
光纖模擬傳輸用光接收組件技術條件 -
Hfc is a kind of analog transmission technology, which is incompatible with the digital and optical trend of the entire telecom network
Hfc屬于模擬傳輸技術，與整個電信網路的數字化、光纖化的發展趨勢不相吻合。 -
In theoretically, analog optical fiber link can carry out the signal transmission transparently. however, because of the limit of the component level, during the transmission and distribution of the radar signal, noises and interferences from the optic - link may distort the signal and affect the system performance and the array signal processing
模擬光纖鏈路理論上可以實現信號的透明傳輸，可由於受到器件水平的限制，在整個光傳輸和分配過程中，雷達信號必將受到來自光路噪聲或干擾的污染，從而產生某些畸變和失真，這些非理想因素必然對陣列系統的性能指標和陣列系統的信號處理產生影響。
分享友人