正號轉移 的英文怎麼說

中文拼音 [zhēngháozhuǎn]
正號轉移 英文
positive jump
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : 轉構詞成分。
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 轉移 : 1 (改換位置) shift; transfer; divert 2 (改變) change; transform 3 [醫學] (擴散) metastasis;...
  1. In the presented study, using h7721 human hepatocarcinoma cell line transfected with sense or antisense cdna of gnt - v, the effects of gnt - v on signal transduction an d its mechanism as well as the alteration of gene expression were investigated. we expected to elucidate whether and how the transfected glycosyltransferase modulate the cell signal transduction and gene expression

    本文以穩定染gnt - v義或反義cdna質粒的h7721人肝癌細胞為材料,從下列四個方面對gnt - v影響信導及其機制以及引起基因表達的變化進行了研究,企圖闡明糖基染是怎樣調節細胞信導的
  2. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信測試電流,兩者產生的偏置磁場在控制線圈產生感應信,檢測電路檢測控制線圈端電壓並提取含有子位信息的電壓信,該信經半波整流電路和低通濾波電路后得到與子位比例的直流信,再由pid控制器換為子位的控制信,最後控制信輸入功放電路產生控制電流,實現閉環控制。
  3. The former leads to couplings between all transitions with the same sign and to absorption reduction. the latter results in couplings, of which two terms have positive sign and with another two have negative sign

    產生耦合的另一因素是激發態相干的自發,它對其中兩個探測躍遷產生的耦合,對另兩個探測躍遷產生負的耦合。
  4. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究:綜合利用灰色理論及遺傳規劃( geneticprogramming , gp )的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷耦合回歸法來修負荷歷史,消除由於負荷引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用gp來對灰色聚類結果進行符回歸,分別得到每一類曲線的最佳擬合曲線形式。
  5. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷耦合法來修負荷歷史,消除由於負荷引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符回歸,分別得到每一類曲線的最佳擬合曲線形式。
  6. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信可簡化為單一弦波形式這一特點,得到了擴展的高斯色噪聲背景下的諧波恢復演算法,即高斯色噪聲中的pisarenko諧波恢復法和旋因子不變法( esprit ) ;並推導了信的狀態方程和觀測方程,進而得到基於卡爾曼濾波的遞推演算法對信進行提取;本文還簡單的介紹了低速運動目標的多普勒頻的wigner - ville變換與小波變換;另一個方面是針對雜波服從高斯分佈這一特點,提出了對接收信求累積量和高階譜來對高斯雜波進行抑制。
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