then symbol 中文意思是什麼

then symbol 解釋
則符號
  • then : adv 1 〈指過去或未來的一個特定時間〉那時,當時。2 〈表示順序〉(a) 〈時間〉然後,其次。(b) 〈...
  • symbol : n. 1. 記號,符號。2. 象徵,表徵。3. 【宗教】信條。vt. ,vi. (-l(l)-) 〈罕用語〉=symbolize.
  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選擇性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,我們模擬了map估計和ml估計的方差與導頻符號長度的關系,模擬結果表明,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. Fuxi is the craftsman of tiegua, who was the symbol of that era and then was deified

    「伏羲氏」就是「貼瓜人」 ,代表了一個時代,后來將其神化了。
  3. From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay

    沉積微相研究是儲層非均質性研究的基礎,研究區有豐富的巖芯資料和測井資料,通過巖石組合、沉積韻律,砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志,結合古環境背景,確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系,而不是前人所認為的扇三角洲(陡坡型)體系,在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合,其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型;三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。
  4. The article points out the importance and necessity of the information - security from its actuality in our country. the resources in the information system, for instance, hardware, software, data, document, operator, meterial and so on, are evaluated and gived safety grade firstly. and then, it analyses the menace including the nonauthorized access, the information leak, the refused sevice, the internal objection which the system will take. the following are the corresponding control police : confirm the users " rights and duties, including the mode of using account, the limit of accessing resource, the application of password, the building of backup ; confirm the administrators " right and duties, including physical safety, system configuration, account configuration and usufruct, password management, audit and control, backup and individual intimity ; run - of - mill measure of security defence, including access control, symbol and identification, integrality control, password technique, firewall system, audit and resumption, safety of operating system, safety of database system, defence of computers " virus and resisting - deny protocol. in the end, the article offers the strategies of disposing the safety - accident and analyse after ithow. to report it, how to solve it in phase, and how to avoid it happening again. in a word, the article presents a holistic resolvent about keeping away the information system ' s security, and supplies a essential frame for its configuration, management and application

    然後,對系統可能受到的威脅,包括非授權訪問、信息泄漏、拒絕服務和內部缺陷等進行分析,並提出了相應的控制策略:確定用戶的權力和責任,包括帳戶使用方式、資源訪問權限、口令應用以及建立備份等;確定系統管理員的權力和責任,包括物理安全、系統配置、帳戶設置及使用權限、口令管理、審計和監控、備份以及個人隱私等方面;一般性的安全防護措施:存取控制、標識和認證、完整性控制、密碼技術、防火墻系統、審計和恢復、操作系統安全、數據庫系統安全、計算機病毒防護和抗抵賴協議等。最後,對事故處理和事後分析提供策略,如何報告安全事故,如何協調解決安全事故,如何避免安全事故再次發生。總之,本文對信息系統安全防範工作給出一個整體的解決方案,為其在配置、管理和應用方面提供了基本的框架。
  5. First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif

    文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案,由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構,對ic2001和dsp的主要功能模塊, hi模塊, dsp片上外設hpi口、 edma和emif總線作了分析,並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統,進行功能實現后輸出數據繪制出波形圖,對所設計的基帶系統驅動方案進行驗證分析。
  6. Just the intro of tv nova is the source, at first there are asteroids flying ( it is a place where saurians live ), then there is a bang ( the symbol of destruction by saurians ) and after that there is the main thing the controlling programme, which is the egg ( it belongs to saurians ), inside of the egg there is a red ribbon ( the controlling programme )

    只不過電視新星的介紹是來源,起先有小行星飛行(它是蜥蜴類住的一個地方) ,然後有一聲巨響(蜥蜴類引起破壞的記號)而隨后就是主要的事情控製程序,就是蛋(它屬于蜥蜴類) ,有一條紅色的帶狀物在蛋的內部(控製程序) 。
  7. Then, you call the proxy s getquote string method, passing the stock symbol whose trading price you want

    接著,您調用代理的getquote ( string )方法,傳遞您希望得到其交易價格的股票代號。
  8. Tone color the color of the voice would send out with the different musical instrument with the characteristics, different person each have the special features s voice, and can say it to have relation with voice for vibrating, if say the tone is the symbol of the one frequency, so the tone color is then from the performance for compound frequency for constituting of of various frequencies

    音色聲音的色彩和特點,不同的人和不同的樂器都會發出各具特色的聲音,可以說它與聲源振動的頻譜有關,如果說音調是單一頻率的象徵,那麼音色則是由多種頻率所組成的復合頻率的表現。
  9. This article discussed the chinese word slice, character extraction, character expression and character matching methods, and established the chinese text classification and clustering algorithms based on neural network. in the design of chinese text mining based on web, the paper analyzed and researched the expression of web page information, structure feature, web page control symbol and html control symbol, and built the extraction flow of web page information, then gave two concrete application of chinese text mining based on web through combining with practical problems

    討論了文本分類中的中文詞切分、特徵提取、特徵表示、特徵匹配方法,建立了基於神經網路的中文文本分類、聚類演算法,在web中文文本信息挖掘的設計中,對網頁信息的表示、結構特點、網頁控制符、 html控制符號處理進行了詳細分析與研究,構建了網頁信息提取流程,並結合實際問題,給出了web環境下中文文本信息挖掘的兩個具體應用。
  10. If it does meet those standards, it can then use the name and advertising symbol, the logo, as it is called, for the group.

    驗收合格,方可使用此名稱和廣告標志,即所謂標識。
  11. Then wear this band as a symbol of your eternal love

    那就帶好臂章表示你永恆的愛
  12. So you could create a topic for each ticker symbol, let users subscribe to the symbols they are interested in, and then let the mq engine do the work of displaying only the quotes each investor wants, avoiding the delivery of duplicate quotes

    因此您可以為每個訂單符號創建一個主題,讓用戶訂閱他們感興趣的符號,然後讓mq引擎執行僅僅顯示每個投資者想要的報價,避免發送重復的股價。
  13. This article took advantage of some relevant theory of western narrative, and used some scientific methods to research newspaper, such as symbol analyzing, discourse analyzing, etc. in this article, the author firstly introduced the evolutionary way from narrative to news narrative, then to newspaper narrative, and proved the subject of news narrative

    本文借鑒西方敘事學的有關理論,採用符號分析、話語分析等科學方法對報紙新聞敘事進行研究。全文先敘說了由敘事到新聞敘事,再到報紙新聞敘事的演變路徑,論證了作為命題的新聞敘事學。
  14. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無線移動通信系統中採用智能天線技術,實際上是通過數字信號處理,使天線陣為每個用戶自適應地進行波束賦形,相當于為每個用戶形成了一個可跟蹤它的高增益天線,從而即可以進行全方位通信,也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  15. But then out from the midst of those roots of the oak tree a fir tree grew out. and he declared from now on you will take this tree and you will cut it down and you will take it into your homes, for it is a symbol of what christ does for us. it is evergreen, a symbol of eternal life, everlasting life

    后來,在那橡樹樹根的位置,一株冷杉開始萌芽他宣告:從今以後,你們要把這棵樹帶回家去,這是基督為我們所作的事的記號,它是常綠的,象徵永恆的生命,永遠的生命它整個形態是指向天的,所以枝條都指向天,象徵我們的人生也指向天國,它是和平的象徵。
  16. It explains the rules of communication in consumption society, and then establishes a consumption - communication zoology structures. this part embodies the characteristics of consumption communication, such as the spectacle feature, messages environment and what we really consume. the second chapter mostly aims at analyzing the existence of the symbol commodities and its essence, which belongs to the media analysis in communication study

    抽象化的認定不足以使消費傳播生態生動的展現,第一章的第二部分著墨于使消費傳播的各個特徵具象化,通過剖析景象社會、消費傳播語境和我們真正的消費對象,使得關于消費傳播的描畫更加的具體,也是消費傳播真正現實狀態的展現。
  17. Based on piecewise linear model, this paper proposes an estimation method that first estimates the slope of linear variant and the channel impulse response at the middle time of the current ofdm symbol using pilot sequences, and then estimates the whole channel impulse response through the estimated parameters

    該演算法首先利用導頻序列估計出當前ofdm符號間隔內通道線性變化的斜率和中間時刻通道的沖激響應值,然後根據線性模型利用估計出的參數得到當前符號間隔內所有時刻上的通道沖激響應。
  18. ( 4 ) finally, it expatiates the design of map symbols and representation methods for thematic maps, and then explains the importance of the dynamic symbols and representation method in electronic atlas and analyzes visual variables " influence on symbol design, and at last specializes the choice of representation method with real examples and realizes the thematic mapping system based on mapx control

    ( 4 )闡述了《軍官地圖集》電子版中專題地圖的符號設計和表示方法的設計。說明了動態符號和表示方法在電子地圖集中的重要作用,分析了各個視覺變量對符號設計的影響,敘述了《軍官地圖集》電子版中表示方法的選擇並以實例表述,實現了基於控制項的專題地圖制圖系統。
  19. First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive - slope and the negative - slope of triangle wave. this method has the following characteristics : easy to calculate, simple to realize and high precision

    首先用簡單的數值方法較準確的計算出零點時刻;進而根據三角波掃頻時正程和逆程相位變化符號相反的特性,巧妙的完成了相位計算,該方法具有計算簡單、實現方便、準確度高等特點。
  20. An significant symbol has been used to determine the technique of 3 - d discontinuities network modeling of rock mass is good or not, which is to check whether the model can reappear the reality situation of rock mass or not, in order to make the 3 - d network model to meet the need of the actual rock engineering, the methods to verify the result of the modeling are required, one of the method to be used is to compare the figures between the section of the numerical model and the sampling window of in - situ model, the second method to be used is verify the data set between the numerical model and field data, only if the verification obtained a good precision, then the model can be considered as a efficiency model, and it can be applied into the actual rock engineering

    摘要巖體隨機不連續面三維網路模擬技術成熟與否的一個重要標志就是最終的網路模型是否能夠較真實地再現巖體的實際情況,為了使三維網路模型的結果能夠真正地應用於實際工程,就必須對模擬的結果進行必要的檢驗,檢驗的辦法就是將模擬出的模型剖面圖形與原型測量窗口的圖形進行圖形對比,或者將原型的觀測數據與模型的測試數據進行數據對比,當這種檢驗達到精度時,模擬出的模型為有效模型,可以投入工程實際應用。
分享友人