數字中繼線 的英文怎麼說
中文拼音 [shǔzìzhōngjìxiàn]
數字中繼線
英文
digital trunk- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 繼 : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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Interoffice junction digital line signalling system for telephone automatic switching network
電話自動交換網局間中繼數字型線路信號方式Digital line signalling for manual toll exchange to local exchange
人工長途電話局至市話局局間中繼數字型線路信號Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend
最後本文對數字混沌序列進行了優選,在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低;相對于線性擴頻碼( gold序列) ,同樣誤碼率較低。Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs
萬能輸入,可與各類傳感器、變送器配合使用,實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出;通過串列通信口,可在上位計算機中實現全部儀表參數的讀寫;還可為兩線制變送器提供24vdc電源; 4位高亮度led數字顯示;對輸入信號有多段折線修正功能可選;一臺儀表最多可配4個報警繼電器輸出、一路變送(或通信)輸出和一路配電輸出。This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。With their digital distribution frames connected to the transmission equipment, such ports provide trunk paths at 2 mbs by means of hf cable
利用高頻電纜在2mbits速率上,經數字配線架( ddf )與傳輸設備相連接,提供交換機間的中繼通路。In realizing the model, a d / 300pci - e1 board is adopted as the core component of voice server and globalcall ? api offered by dialogic is applied as the platform for software development
系統將d 300pci - e1數字中繼卡作為語音服務器的核心部件,以美國dialogic公司提供的globalcall _ ( tm ) api為軟體開發介面,利用線程和虛擬專用網等技術來實現其功能。According to the mil - std - 188 - 220b protocol of american army, data packets can be relayed and forwarded automatically by nodes in network. the network can detect the change of topology in internal system and assure the information to be sent to the destination node in connective network. furthermore, it comprises of the radio data transmitting network for some equipments such as tactical data terminal and computer so on
本質上,它屬于無中心的自組織分組無線網,按照美軍戰術網際網路「數字消息傳輸設備子系統互操作標準」 ( mil - std - 188 - 220b協議) ,通過節點對數據分組的自動中繼轉發,使網路能夠自動探測到系統內部拓撲結構發生的變化,保證信息能達到網路中所有連通的節點,為戰術數據終端和計算機等設備提供無線數據傳輸網路。Digital distribution frame ddf
數字配線架中繼The paper digitized curve shape parameters by rational algorithm. covert analysis from traditional qualitative to quantitative. inherit the traditional method, and suitable for computer deal with large number of data
通過合理的數學演算法將測井曲線中反映沉積環境的曲線形態參數數字化,從傳統的定性分析轉變為定量化分析,繼承了傳統定性分析的思路方法,又適合計算機處理大量數據的要求。The theory of dmt for dsl is introduced , and the application project for dsl in ethernet , fname relay and atm network is presented
介紹了數字用戶線所採用的離散多頻調制技術,並提出了其在以太網、幀中繼網和atm網中的應用方案Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - cross - polarization interference canceller
數字微波無線電發射系統使用設備測量方法.地面無線電中繼系統測量.交叉極化干擾消除器Methods of measurement for equipment used in digital microwave radio transmission systems. part 2 : measurements on terrestrial radio - relay systems. section 11 : cross - polarization interference canceller
數字微波無線電發射系統使用設備的測量方法.第2部分:陸地無線電中繼系統的測量.第11節:交叉極化干擾消除器Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 : measurements on terrestrial radio - relay systems - section 11 : cross - polarization interference canceller
數字微波無線電發射系統使用設備的測量方法.第2部分:地面無線電中繼系統的測量.第11節:交叉極化搟擾消除器Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - antenna
數字微波無線電發射系統設備測量方法.地面無線電中繼系統測量.天線This project focuses on r & d of home network, especially in communication between the devices in home. after learning the popular home network architecture around, a new solution for communication in home was proposed based on power - line carrier communication technique and digital communication technique. a new home network repeater was also developed under this idea frame
本課題主要針對目前家庭網路發展迅速的情況,對家庭網路設備之間進行數據互通方式的發展進行了研究,結合目前流行的家庭網路組網方式,電力線載波技術和數字通訊技術,提出了一種新型的家庭網路設備之間的互聯方案,並按照這個思路設計出了實現這個方案所需的網路中繼設備。Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - r f branching networks
數字微波無線電傳輸系統使用設備的測量方法.地面無線電中繼系統的測量. rf分支網路Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - transmitter receiver including modulator demodulator
數字微波無線電發射系統使用設備測量方法.地面無線電中繼系統測量.發射機接收機包括調制器解調器Methods of measurement for equipment used in digital microwave radio transmission systems. part 2 : measurements on terrestrial radio - relay systems. section 4 : transmitter receiver including modulator demodulator
數字微波無線電發射系統使用設備的測量方法.第2部分:陸地無線電中繼系統的測量.第4節:發射機接收機Based on the results, beijing telecom has forwarded its suggestions to relevant vendors, who in turn have made a number of improvements in their later product versions. with the stm - 1 link as the inter - office trunk, the number of ddfs will be markedly reduced, thus saving floor space in the pit and wiping off distribution - related failures. besides, the number of outgoing trunks will be brought down, thus demanding less maintenance staff and improving the maintenance efficiency
交換機利用stm - 1鏈路作為局間中繼線路,可以減少數字配線架ddf的數量與規模,從而大大節省局房佔用面積,解決局房面積緊張的問題;還可大大減少配線數量,去除因配線引起的故障;另外,交換機利用stm - 1鏈路作為局間中繼線路,可以減少出局中繼線路數量,從而可以減少維護人員對中繼線路進行維護的工作量,提高維護效率。分享友人