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- In Web applications,there are three techniques for ADO to access database. They are system DSN connection,non-DSN connection and OLE DB direct connection. 在Web應用中ado與數據庫連接通常有 3種方式 :系統DSN連接、無(wú)DSN連接和OLEDB直接連接 .
- Solution of field distribution in stripline directional coupler[J]. 引用該論文 石德萬(wàn);王文祥;宮玉彬;魏彥玉.
- Nonlinear Directional Coupler (NLDC) is a switch used in optical network. W. 非線(xiàn)性定向耦合器(NLDC)是用在光網(wǎng)絡(luò )中的光開(kāi)關(guān)器件，它主要用在全光網(wǎng)絡(luò )中，W.
- An X-band directional coupler is designed and tested,and the experimental result agrees well with theoretical curve. 在三厘米波段對實(shí)驗樣品的測試結果與理論結果相符。
- A measurement of the difference in cycles/sec between the limiting frequencies of a band in which the attenuation of any frequency, with respect to the central frequency, isless than a specified value(usually half power or three db). 一個(gè)頻帶的上下界頻率之間差的一種度量，以周期/秒表示。在該頻帶中，任何一頻率的衰減（對中心頻率而言）小于一個(gè)特定的值（通常為半功率或3分貝）。
- Moreover, the photorefractive effects of straight waveguides are measured, and so is the directional coupler of MILO. 由于操作于短波段，筆者亦嘗試量測該兩種直波導的光折效應，并另外量測了鎂誘鋰式方向耦合器的光折效應。
- Above 2 years design experience in RF filter, inductor, diplexer, balun transformer, combiner, splitter, directional coupler and other similar devices. 一年以上RF濾波器,電感器,雙工器,平衡變壓器,組合器,分離器,定向藕合器和其他類(lèi)似RF部件設計經(jīng)驗
- A method of designing a directional coupler from the TE_(01) mode in circu-lar waveguide to the fundamental mode in rectangular waveguide is presented in thispaper. 提出了一種從圓波導 TE_(01)模到矩形波導 TE_(10)模的定向耦合器的設計方法。
- With design experience or knowledge in RF filter, inductor, diplexer, balun transformer, combiner, splitter, directional coupler and other similar devices preferred. 具備RF濾波器，電感器，雙工器，平衡-不平衡變壓器，組合器，分離器，定向耦合器及其他元器件設計經(jīng)驗或知識更佳。
- The characteristics of the switching curves of Gaussian-Constant-Gaussian varying coupling coefficient nonlinear directional coupler (GCG NLDC) are analyzed in detail. 研究了高斯常數高斯平滑連接的復合型變耦合系數定向耦合器的開(kāi)關(guān)特性曲線(xiàn)。
- In the paper, some factors are studied such as ratio of soliton and signal wavelength, linear refractive-index of media and coupling length which have influence on the performance of the steerable all-optical directional coupler. 研究了孤子波和信號光波長(cháng)之比、器件長(cháng)度及介質(zhì)的線(xiàn)性折射率對光控可變定向耦合器性能的影響。
- three dB coupler 三分貝耦合器
- Based on the guidemode characters of dark spatial soliton waveguides and the theory of coupling between two waveguides, a kind of steerable all-optical directional coupler using dark spatial soliton waveguides is suggested. 摘要基于空間暗光孤子誘導波導的模式特性以及光波在波導間耦合理論，提出了一種實(shí)現光控可變定向耦合器的方法。
- The principle and design of a novel microstrip directional coupler are presented.The error performance of the microwave phase discriminator (MPD) based on the directional coupler is also investigated. 摘要介紹了一種新型微帶定向耦合器的原理和設計方法，給出了采用這種新型定向耦合器的微波鑒相器設計，并得到其誤差性能的測試方法和測試結果。
- A three-dimensional beam propagation method based on the Galerkin method (3D-GM-BPM) is proposed for directly modeling a parallel directional coupler based on optical rib waveguides. 摘要提出了基于伽遼金法的三維光束傳播法(3D-GM-BPM)，可直接應用于三維波導光電子器件的光波傳輸模擬，并用它模擬分析了基于脊形光波導的平行定向耦合器的光波傳輸特性。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三個(gè)鐘點(diǎn)才回到家。
- dual grating-assisted directional coupler 雙光柵輔助定向耦合器
- Our family reunions are always three ring circus. 我家合家團聚的場(chǎng)面總是熱鬧非凡。
- The train arrived on the dot of three o'clock. 那輛火車(chē)三點(diǎn)鐘準時(shí)到達。
- reverse coupling directional coupler 反相激勵定向耦合器
