模選擇性 的英文怎麼說

中文拼音 [xuǎnzháixìng]
模選擇性 英文
mode selectivity
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們擬了map估計和ml估計的方差與導頻符號長度的關系,擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系統,導頻符號長度的取值超過20個符號長度時, map通道估計明顯優于ml通道估計。
  2. These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly

    該系列光源除了具備光強可調、分佈均勻優勢外,還具有波長、波峰寬適宜,以及小巧、價廉、能耗低、發熱少等特點,尤其是該生物光源在設計時採用的單元組裝式,使得不同強度的光照能夠在同一批生物樣品上實現,大大拓寬了生物實驗的可,提高了工作效率和實驗準確
  3. On the conventional whole cell patch clamp mode. howevef, under the perforated whole cell patch clamp mode, l00 ll m snp caused a efficient increase in ik (. ) by 20 ' 2 % t4. 5 % at 60mv 4 - ap l0 mm, a kind of selective inhibiter of delayed rectifier potassium current [ ik ( v ) ], can not inhibit the snp - induced increase of ik ( c. )

    應用相同的刺激式,一在傳統全細胞式下s pnovm 0卜m于m00vm對ik ( c一尤影啊… o仍)然而在穿孔式下當細胞膜去極化至均0 v時, 1皿卜m p可明顯增加人0川達zo二士牛5 … 8廠延遲整流型鉀電流阻斷劑10mm個ap不能抑制snp對ik ( c 。
  4. The system propazine : methacrylic acid was used as a model for the preparation of molecularly imprinted fibers, and its ability to selectively rebind triazines was evaluated

    2 -氯- 4 , 6 -二(異丙氨基) - 1 , 3 , 5 -三嗪系統:用甲基丙烯酸做型制備分子印跡纖維,並對其吸附三嗪化合物的能力進行評估。
  5. In this model, ion conduction involves transitions of three states, with one three - ion state and two two - ion states in the selectivity filter respectively. in equilibrium, the well - known nernst equation is deduced

    在這一型中,離子通道的過濾器主要處於三個態,一個三離子態和兩個兩離子態,轉導過程用這三個態之間的相互躍遷來描述。
  6. These character based on sichuan power network ' s practice operation experience, in allusion to the config of the carrier wave protection in bypass breaker operating, through the study of protection ' s typical config : one side lfp - 902a, one side csl - 101a, proceeded comprehensive act module test, noted plenty of first hand test data and wave picture, proceeded detailed theory analyses, plenitude demonstration atresic type carrier wave distance protection when twain side atresic type logic is not completely same, basically can fill power network ' s requirement to relay of reliability selectivity speedly and sensitively

    本文結合四川電網的實際運行經驗,針對旁路開關代路運行時的保護配置情況,通過對旁路代路時保護典型配對組合:一側lfp - 902a ,一側csl - 101a的保護配置情況的深入研究,做了全面的動試驗,記錄了大量的第一手試驗數據和波形,進行了詳細的原理分析,充分驗證了高頻閉鎖式距離零序保護在兩側閉鎖式邏輯不盡一致的情況下,基本能夠滿足電網對繼電保護的可靠、快速以及靈敏的要求。
  7. Firstly, proem, it concise introduces the background ; secondly, it introduces the reform of the commission system and the dilemma of the securities companies in our country ; thirdly, it puts forward the idea of implementation of " optionally differential strategies " as the natural choice for the future development of the securities brokers in our country, through the analysis of the current competitive environment of the securities companies in our country and study on the alternatives of competitive strategies ; the forth, it describes how to practice " optionally differential strategies ", which including three aspect : the choice of the core competition ability, the measures for the implementation are brought forth, and the condition of practice the strategies ; the fifth, it " s the summary of the dissertation

    第一部分,簡介論文寫作背景;每二部分,介紹我國傭金制度改革以及改革后我國證券公司所面臨的困境;第三部分,通過對現階段我國證券公司競爭環境的分析,進行競爭戰略研究,提出實施差別化戰略應成為我國證券商未來發展的必然。第四部分,提出「差別化戰略」的實施措施,包括拓展業務領域、拓寬交易渠道及改革證券商管理式三方面可操作的內容;第五部分,對全文作概括的總結。
  8. The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project

    本論文針對柵格影像的變形可視化及分塊糾正展開研究,取得了以下幾方面的研究成果:一、採用科學計算可視化技術,繪制變形矢量圖、變形等值線圖和三維效果圖,實現了柵格影像變形特徵的可視化;二、提出了在格網控制點( gcp )數據基礎上構造顧及變形特徵的delaunay三角網,並基於構造的三角網實現了分塊糾正的方法和數學型;三、採用vc編制了影像幾何糾正軟體,實現大比例尺掃描地形圖的糾正,並在工程中得到應用。
  9. It is designed and built using air core inductors to avoid saturation at peak current loads. the unit comprises an artificial hand simulation

    本儀器包含ansic 6 . 3 . 4要求的人工手擬和一個可使用的擬網路50 50 。
  10. Two simulation algorithms of realization channel characteristic are analyzed emphatically : shaping of slow fading with correlation and generation of frequency - selected multipath fading

    重點分析了實現通道特擬的兩種演算法:慢衰落的相關整形和頻率多徑衰落。
  11. The editing system interface of media asset management system integrates the user authority identification, the module of downloading and uploading, the selection of programs and advertisements, the configuration of transferring data information, the display of downloading stuff information, the restriction of system requirement, audio formats ’ selectivity conversion and other functions

    媒體資產管理系統的編輯系統介面里,集成了用戶權限識別、導入導出塊、節目廣告分、上傳素材信息設置、下載素材信息顯示、系統要求限定、音頻格式可轉換等功能。
  12. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀;快速成型技術迅速提供砂型鑄造、熔鑄造、實型鑄造用的各種樣,包括樹脂、層壓、熔和消失等,還可採用直接制殼鑄造法直接製造熔鑄造用的壓型、金屬型、壓鑄型、注塑,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬具問題,以及快速成型技術與精密鑄造技術相結合的具製造工藝,基於快速成型製造的快速具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  13. The spray pyrolysis method has large application potency to be a method to prepare the economical thin films for its unsophisticated equipment, low - cost and high deposition rate which are great advantages if the technique is to be scaled up for industrial applications

    噴霧熱解法具有沉積溫度、速率容易控制,對基板低,所得薄膜形貌均勻緻密等特點。而且設備簡單,成本低廉,在大規工業生產方面有很大潛力。
  14. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特;橫向載荷作用下的莖稈彈塑變形與秸稈被推倒的力學條件;機組作業速度與滑撬曲面半徑的關系;秸稈壓實厚度與加載作用點的相對位置;配套裝置與犁體相對位置;秸稈壓實厚度下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學型。在此基礎上,本項研究還地進行了計算機輔助分析和田間擬試驗。
  15. This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on

    傳感裝置各部件尺寸或參數的,設計、加工和組裝;一5多通道檢測系統的構造,數字信號的採集及軟體的開發;等等。根據我們的設想,我們研製出了基於通用和快速檢測的裸光纖式濾光傳感裝置和基於多組分同時響應的修飾光纖式濾光色譜傳感裝置。
  16. This design keep the twice frequency transform and the superheterodyne structure in analog receiver, and use programmable direct digital synthesizer ( dos ) in rf section. use this method, we can not only inherit the advantage of high sensitivity and high selection in traditional design, but also improve the automation of the equipment

    該方案保留了原擬接收機二次變頻的超外差結構,在射頻前端利用了可編程的數字頻率合成器( dds ) ,這樣既繼承了原接收機的高靈敏度,高的優點,又提高了它的接收機自動化特
  17. For the severe limitation that the selectivity of transient current protection will lose when the fault with small resistance or without resistance takes place at the end of transmission line, the basic reason for the selectivity loss of transient current protection was investigated

    摘要針對保護出口處發生金屬或小電阻短路故障時,暫態電流保護完全失去的嚴重缺陷,利用時域分析方法,進行了詳細的故障暫態分析和擬研究。
  18. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期地加入混沌序列同步碼,並採用恆虛警率匹配濾波器捕獲法;在加白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了擬,分析了各種捕獲能:在能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下,可以獲得較短的捕獲時間和較大的捕獲概率。
  19. Put forward according to the topic of information of web extraction ( the focused extraction ) the system model, mainly mean to search those optionally with define the behavior that the topic gathers the related page to carry on extraction in advance

    提出基於主題的web信息提取系統型,主要是指地搜尋那些與預先定義好的主題集相關的頁面進行提取的行為。
  20. 3. aiming at the limitation of simulated anneal genetic algorithm on a high computation while applied to flow shop scheduling problems, the paper presented selected simulated anneal genetic algorithm

    三、針對擬退火遺傳演算法解決流水車間調度問題存在收斂速度慢的局限,提出了退火的遺傳演算法。
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