電子對鍵 的英文怎麼說
中文拼音 [diànziduìjiàn]
電子對鍵
英文
covalent bond- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 鍵 : 名詞1 [機械工程] (使軸與齒輪、皮帶輪等連接並固定在一起的零件) key 2 [書面語] (插門的金屬棍子)...
- 電子 : [物理學] [電學] electron
-
The requirement analysis and system design are carried out according to the situation of nanjing sky electron co. ltd. at the same time, the key technology to solve the capability balance of the machine tool and scheduling system of the workshop production are studied, and a management model of the workshop production solved the corresponsive problem to finish the production task in time according to the current need in the enterprises
然後結合一個典型的製造業企業? ?南京四開電子企業有限公司進行了系統的需求分析和設計。接著研究了企業車間級生產計劃管理模型,提出了一種以按時交付為目標的機床生產能力平衡與車間級生產計劃的控制方法,並對其中需要解決的關鍵技術進行了研究和討論。This article mainly contains following several contents : ( 1 ) analyzed the connotation and the tools of knowledge management as well as the combine - relation of e - government - affairs system, and proposed the system framework electronic government - affairs system based on the knowledge management ( km ) ; ( 2 ) some crucial technologies in knowledge management are studied : knowledge representation technology, knowledge discursion technology as well as data mining technology
本文主要涉及以下幾個方面的內容: ( 1 )分析了知識管理的內涵、工具以及與電子政務系統的結合關系,提出了基於知識管理( knowledgemanagement ,簡稱km )的電子政務系統的體系結構; ( 2 )對知識管理中的幾個關鍵技術進行了研究:知識表達技術、知識推理技術以及數據挖掘技術。Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。A new type thick - film circuit heatin g - element is introduced and the main technology is expounded, including the requireme nt and performance of substrate mate rial and electro - pastes. the process of heating - element is intro duced too. at last, the application a nd problem of the new type heating - element are put forward
介紹了基於不銹鋼基板的大功率密度厚膜電熱元件的研究現狀,並對厚膜電路式電熱元件的關鍵技術進行闡述,包括大功率密度電熱元件所用基板材料和基於基板的電子漿料的使用要求,以及電熱元件的制備工藝;最後分析了該新型電熱元件的應用前景和所要解決的問題。The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一,是一個重要選色元件,其作用是限制電子束直徑和上屏方向,由電子槍發射的電子束在偏轉磁場的作用下進行掃描,掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚,並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上,發出三種基色(紅,綠,藍) ,而無用的電子則被蔭罩板截獲。The third part studies the actual questions of our e - government, and thinks there are 5 aspects of problem in the area : the people ' s ideas is the key to the problem, which is the largest resistance to build the e - government ; the old administrative system ca n ' t adapt the e - government ; it ' s serious to the " digital gap " question ; the information professional is scarce in the government ; the related laws and rules, especially the open information systems are imperfect, in face of the five problems, i bring forward the six countermeasures : the government should strengthen to educate the government employee on the related knowledge ; strongly push on reinventing government ; the " e - government " should be strugglingly developed ; resolve the " digital gap " question ; establish and perfect the correlative laws and rules ; try hard to settle the question of net safety
在論文的第三部分,我著重對我國電子政府目前的問題進行了提煉、分析,認為存在著五大方面,分別是:關鍵是人的思想觀念跟不上,成為電子政府建設的最大阻力;原有的行政體制不適應電子政府的發展; 「數學鴻溝( digitalgap ) 」問題嚴重;信息人才短缺;相關法律法規不完善、信息公開的制度保證不足。針對這五個方面,我提出了六點解決對策,分別是:大力加強對公務員的培訓和教育;強力推進政府再造:電子政務要大力發展;解決數字鴻溝問題,加大「兩軟一硬」投入;建立健全相關的法律、法規;努力解決好網路安全問題。The simulator, which is functioned for training of electronic countermeasure, can hold a suppositional war field for the training of anti - air gun fire control radar
該模擬器解決了雷達目標的實時生成、控制、搜索和顯示等關鍵問題,新增了電子干擾與反干擾的訓練內容,完整實現了戰場環境下的炮瞄雷達攻防對抗訓練。The researchers also found that the nanofoams had numerous unpaired electrons, which require carbon atoms with fewer than four bonds
研究人員同時發現,奈米泡沫有許多未成對的電子,因此它需要的是鍵結數低於四的碳原子。Copper wire ball bonding is a new technology which is expected to replace the traditional gold wire ball bonding and is of great significance in reducing the cost and improving the reliability of microelectronic components
銅絲球鍵合是一種有望取代現行金絲球鍵合工藝的新技術,這一技術對于降低微電子元器件的成本、提高元器件的可靠性具有重要意義。This paper first introduced the electronic war ' s basic concept, development process and its developing trend, and then gives out the theory, key technology, application and developing trend of communication scout, direction - finding communication and communication jam in great detail. after that the cjw - 2000 system was referred to, and its system function and information flowing was analyzed. then the paper analyzed and introduced the theory, function, system structure, technical guide line and working flowing of the electronic jam rivalry scouting and analysis sub - system in detail. at last it gave the analysis of the interface standard of the electronic rivalry scouting, its interface message format and the data - base design of different equipments
本文首先簡單介紹了電子戰的基本概念、電子戰的發展過程及發展趨勢,接著比較詳細地分析了通信偵察、通信測向、通信干擾等的原理、關鍵技術、應用及發展趨勢,然後對cjw - 2000系統進行了簡單介紹,並且對其系統功能及信息流程進行的簡單分析,之後又對cjw - 2000系統中的電子對抗偵察與分析分系統的原理、功能、系統結構、技術指標和工作流程等進行了比較詳細的分析與介紹,最後詳細分析了電子對抗偵察與分析系統的介面標準,並對電子對抗偵察與分析系統內部不同設備之間的介面報文格式以及數據庫的設計進行了詳細的分析。The bond in which the linkage pair of electrons are providedby one of the bonding atoms
一個鍵合原子用以聯結一對電子的鍵。Millimeter - wave oscillators are hearts of millimeter - wave systems, and key components of millimeter - wave systems for radars, communications, electronic - wars and so on
毫米波振蕩源是毫米波系統的核心,是雷達、通信、電子對抗等毫米波系統的關鍵部件之一。These systems operate on a wide variety of continuous time signals, which include speech, medical imaging, sonar, radar, electronic warfare, instrumentation, consumer electronics and telecommunications systems ( terrestrial and satellite ). one of the key to the success of these systems has been advances in the development of the font end of the electronic systems - analog - to - digital converters ( a / d ) which converter the continuous - time stimuli signals to discrete - time binary - coded form
這些系統可廣泛地應用於處理連續時間信號,包括語音、醫學成像、聲、雷達、電子對戰、儀器、消費電器、遠程通訊(地面和衛星)等,而這些系統成功的關鍵因素之一就是電子系統的前端部件? ? a d取得了長足的進步( a d把連續時間信號轉換成離散時間、二進制編碼的數字信號,便於后級精確的數字信號處理) 。With the development of radar technology, radar system has been more diversiform and complicated, which make ecm face much more complex electromagnetic environment. how to sort and analyze signal exactly is an important research of ecm. in this paper, we mainly research the signal sorting 、 system simulating and dsp realizing : 1. the paper introduces the environment of ecm and analyses the character of time domain 、 frequency domain 、 air space 、 power density and polarization detailedly
本文主要就是研究復雜電磁環境下的彈上電子對抗系統信號分選關鍵演算法、系統軟體模擬以及dsp的實現,主要包括以下幾個方面: 1 .對電子對抗環境進行了介紹,並對雷達偵察機的信號環境的時域特徵、頻域特徵、空域特徵、功率密度(能量)特徵以及極化特徵進行了詳細的分析,得出了對雷達偵察接收機信號分選系統設計的主要依據。In this model the arrangement of bonds around the central atom is considered to depend upon how many valence-shell electron pairs.
在這個模型中,認為圍繞中心原子的化學鍵的排列取決于價層中電子對的數量。A / d converter ( adc ) is the key device in the interface between analog and digital system, is widely applied in the field of radar, communication, electronic countermeasure, sonar, satellite, missile, control system, earthquake, medicine, instrument, video device, audio device and so on
A / d轉換器( adc )是模擬系統與數字系統介面的關鍵部件,長期以來一直被廣泛應用於雷達、通信、電子對抗、聲納、衛星、導彈、測控系統、地震、醫療、儀器儀表、圖像和音頻等領域。Covalent bond a chemical bond in which one or more pairs of electrons are shared between two atoms
共價鍵:一般指兩個原子接合時,通過形成共有電子對而產生的化學鍵。Mixer is the key component in the millimeter wave ( mmw ) communications, radar, electromagnetic countermeasure, and measurement systems
毫米波混頻器是毫米波通信、雷達、電子對抗、測量等系統中的關鍵部件。The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體相的強化元素; ( 2 )根據合金系相平衡熱力學計算及已有的相圖,可以碳化物類型、數量及其相變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。Microwave broadband low noise amplifier is the important part of the receiver system of radar, electron rivalry, remote measuring and remote control
微波寬帶低噪聲放大器是雷達、電子對抗及遙測遙控接收系統等的關鍵部件。分享友人