wide band line 中文意思是什麼
wide band line
解釋
寬帶線路-
The wide band network has applied the ip adn atm telecommunication technique, the most advanced in nowadays world. the on - line junction wide band from xinyu to nanchang reaches 22. 5g, which gets to customers via 8, 000 - core km optics cables and wide band switch - in networks. this has speeded uop the information process of this city, providing conditions for the information highway adn entering into " e " age
5g ，通過遍布市內的8000芯公里光纖網、寬帶接入網及用戶網，能實現千兆到小區、百兆到大樓，十兆到用戶的高速網際網路接入，為真正實現通"信息高速公路" ，加快新余信息化進程，積極融入" e "時代創造了條件 -
Xinyu is the first place to open programme - controlled telephones, internet, wide band networks and on - line government websites
新余是江西第一個開通程式控制電話、網際網路、寬帶網和政府網站的城市。 -
Some novel electrically small antennas and wide band antennas such as hybrid loaded monopole, open - circuited transmission line loaded antenna and wire - taper antenna are designed according to these effective technologies found before
設計了混合加載線天線、頂部套筒電小天線、線錐天線等幾種新型的小型化天線和寬帶化天線結構。 -
The fiber raman amplifiers ( fras ) are more and more attractive for its particular virtues such as on - line, wide band, and low noise etc, and they are very fit for dense wavelength division multiplexing ( dwdm ) system of next generation charactered by its super large capacity and long transmission distance. fras are unsubstitutable in the fields such as optical fiber communication over the ocean, long haul transmission and exploitation of the entire low - loss band of fiber
光纖拉曼放大器因其特有的在線、寬帶、低噪聲等特點而越來越被人們關注，是一種非常適合下一代超大容量、超長距離dwdm系統的光放大器，尤其是在海底跨樣光纖通信、超長距離光纖通信以及開發整個光纖低損耗窗口等方面有著不可替代的優勢。 -
The noise signal of passing vehicles is gathered with microphone array, and processed off line with the method of wide - band array signal processing, then the estimation of vehicle numbers can be transformed into the estimation of signal source numbers, up and down of the vehicle can be transformed into doa estimation of array signal processing. at the same time, vehicle types are classified using pca method of the pattern recognition based on vehicle noise, and some primarily study is done for vehicle recognition. at last, the result of the experiment proves this method is feasible
對麥克風陣列所採集的車輛行駛時的聲音信號，運用寬帶陣列信號處理的方法進行離線處理，並將車輛個數的估計轉化為陣列信號處理中信號源個數的估計，將車輛上下行的估計轉化為陣列信號處理中波達方向變化的估計，進而較準確地估計出了車輛的個數與行車方向；同時對所採集的車輛聲音信號應用模式識別中的主分量分析法實現了車輛的簡單分類，為實現車型識別作了一些初步的探索。 -
Since the spectrum of the helicopter noise contains wide band continuous component and narrow band line component, we can use the wide band signal detection method or narrow band signal detection method. both detection methods are discussed
直升機噪聲既含有寬帶連續譜成分，又有很強的窄帶線譜分量。根據直升機噪聲的特點，我們既可以採用寬帶能量檢測，又可以採用窄帶線譜來檢測直升機信號。 -
Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software
根據寬帶功率放大器的設計原理，採用推挽結構晶體管，前饋線性化技術，傳輸線變壓器和微帶混和匹配電路，利用ads進行模擬設計，成功的設計出一款寬帶功率放大器。 -
The detailed research contents are as following : ( 1 ) based on molecule spectrum theory and experimental data, presented are fine parameters of ch4 combined frequency band v2 + v3 and wide frequency band 2v3, including absorption spectrum central wavelength, line space, intensity distribution, line type and line width. these fine parameters have played solid foundation for measurement wavelength selection, and effectively eliminated cross sensitivity
主要研究內容如下： （ 1 ）應用分子光譜理論和實驗數據給出了甲烷氣體在聯合帶v2 + v3和泛頻帶2v3的精細參數，包括吸收線的中心波長、吸收線間隔、吸收線強度分佈、吸收線線型和線寬，為系統設計選擇合適波長提供依據，消除交叉敏感。
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