single frequency networks 中文意思是什麼
single frequency networks
解釋
單頻網路-
With the purpose of maximizing the total profit of a network, the effects of the network model parameters on flight frequency, traffic and single flight occupancy of fully - connected and hub - and - spoke airline networks are investigated
摘要以網路利潤最大化為目標，分析了幾種網路模型參數對全連通航線網路和樞紐航線網路中航班頻率、客流量以及單航班座位數的影響。 -
By comparing the two types of airline networks based on the same network model parameters, it is found that the flight frequency, nonstop traffic and fare given by hub - and - spoke airline network is larger than that by fully - connected airline network, while the single flight occupancy is incomparable
基於相同的網路模型參數，對全連通航線網路和樞紐航線網路中的航班頻率、客流量、直達票價、單航班座位數之間的關系進行了研究，結果發現樞紐航線網路中的航班頻率、直達客流量和直達票價分別大於全連通航線網路中的航班頻率、直達客流量和直達票價，但是不能確定兩種航線網路中單航班座位數之間的大小關系。 -
The principle advantages of vcsels over conventional edge - emitting lasers lie in ultralow threshold current, small far - field divergent angle, high modulation frequency, potential for wafer level testing and the ease for single longitudinal mode operation and two - dimension integration. as a result they show considerable promise for applications such as optical fiber communication, parallel optical interconnects, optical information processing and neural networks, etc. a direct coupling theoretical model in quasi - three - dimension for the gain - wave guide vertical - cavity surface - emitting lasers has been created in this paper
它與傳統的邊發射激光器相比具有更優越的特性，例如，具有極低的閾值、較小的遠場發散角、調制頻率高、易實現單縱模工作和二維集成，無須解理封裝即可進行在片測試等，所以，它被廣泛應用於光纖通訊、并行光互聯、光信息處理、光神經網路等領域。 -
For the sake of making user randomly communicate between gsm900 and dcs1800 networks with a single handset, this thesis devoted to design and realize a rf ( radio frequency ) subsystem for gsm900 / dcs1800 dual band handset according to gsm 05. 05 protocol provided by etsi, which the structure of single board can realize gsm900 / dcs1800 dual band of the handset
為了使用戶可用一部手機在gsm900 dcs1800兩個移動通信網上自動漫遊通話，本論文根據歐洲電信標準學會（ etsi ）提出的gsm05 . 05協議，設計實現gsm900 dcs1800雙頻段手機中射頻子系統。它單片的實現了手機的雙頻段gsm900 dcs1800 ，而且隨時可以根據網路的需要，實現無縫（不斷線）自動切換。 -
Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults
首先論文對三相均勻換位線路的故障定位進行了公式推導和數值計算分析，並在頻域內對故障函數的頻譜曲線幅值、相角和頻率特性進行了分析，提出了相應的故障定位判據。 -
The main contents of this paper are outlined as follows, ( 1 ) the physical significations and the correlativities of the often - used h performance targets are summarized, the selection strategies of the weighting functions are researched, and loop - shaping method as well as standard problems of robust h control are introduced. the frequency domain methods of robust h control are also introduced to solve the rate - based congestion control problem of the high - speed communication networks, and the h based controller are designed to deal with the time - delay problem of the single bottleneck node and multiple resources networks
主要研究內容包括（ 1 ）總結了各種常見h性能指標的物理意義及相互關系，探索了權函數的選取策略，介紹了迴路成形方法及h控制標準問題；最後把h控制頻域設計方法應用於解決高速通信網路基於流速的擁塞控制問題，設計基於h控制理論的流控制器用於解決多源單瓶頸網路中時變不確定多時滯問題。
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