系值選擇 的英文怎麼說

中文拼音 [xìzhíxuǎnzhái]
系值選擇 英文
set occurrence selection
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 選 : 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 : 擇動詞（挑選） select; pick; choose
  • 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. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. The complete nucleotide sequence of the mitochondrial genome of f. limnocharis was detailedly compared with those of 5 other amphibians. the nucleotide sequences of 22 trna encoded by 6 amphibians mitochondrial genomes were combined and aligned to the homologous sequences of the 11 veterbrate taxa. using teleosts as outgroup, the phylogenetic analyses results show that mp, nj and ml trees all strongly support the monophyly of living amphibians with respect to other living tetrapods and favor a sister group relationship for caecilians and salamanders

    我們在測定了澤蛙線粒體全基因組序列的基礎上，與已知其它的5種兩棲類進行詳細的比較分析，同時選擇了11種高等脊椎動物的線粒體全基因序列，以硬骨魚類做外群，用22個trna基因合併數據進行系統發生重建分析，結果表明mp 、 nj和ml樹都強力地支持現生兩棲類動物為單系群並且蠑螈類和蚓螈類為姐妹群關系（自引導值分別為92 、 99 、 100 ） 。
  4. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  5. Henriksson and merton ( 1981 ) regard the timing ability as a free put option. goetzmann, ingersoll and ivkovic ( 2000 ) try to catch the accumulated value of a sequence of such options. we conclude that gii model may pay a more applicable role in the timing study from the theoretical point of view

    在對模型的構造進行深入的研究后，我們發現， tm模型假設時機選擇使組合的系統風險呈非線性特徵， hm模型將時機選擇視為一免費的看跌期權， g模型進一步捕捉看跌期權在整個評價期間內的價值。
  6. A " real " address, the value that must be placed on the system address bus to select a physical memory bank or device

    物理地址：真實的地址，其值必須被置於系統地址總線中用於選擇物理存儲位置或者設備。
  7. We have to optimize the physical parameters synthetically to largen the region of the resonance, minish the range of jumping and increase the amplitude

    而增大共振區，減小跳躍幅度，以及增大共振的幅值就需對系統各物理參數進行綜合選擇，以得到最優值。
  8. Secondly, the steps of the glass ' s image processing are discussed in detail. based on the experiments and the characteristics of interference fringe, we pre - process the images with median filter and image segmentation with dynamic threshold. after marking and thinning the resulted fringes, we analyze linearly the unifor mity of product ' s samples with the characteristics of the framework

    然後，結合檢測系統中玻璃干涉圖像處理的任務，詳細介紹了處理的各個步驟：通過實驗比較，並結合干涉條紋圖像的特點，選擇中值濾波、動態閾值分割等技術對圖像進行預處理；然後對獲得的二值條紋進行標記、細化，提取條紋骨架；最後，用骨架的特徵進行線性分析，識別條紋的類型，判斷玻璃樣品的均勻性。
  9. By means of series of standardized cultivation measures, the highly appreciated varieties were grafted to the peachblossom miniascape with rich structure and satiated flower buds

    選擇具有較高觀賞價值的花桃品種進行嫁接，通過採用一系列標準化栽培管理措施，培育成具有充實造型、飽滿花芽的花桃盆景。
  10. Firstly, it analyses economic character, competition situation, future and attraction of mobile communication industry in huazhou at present. secondly, it analyses the importance of resource, competition ability and customer orientation with swot method and value chain method. thirdly, with continuous competitive advantage theory and creative destruction theory, it illustrates that defense cannot protect the original competitive advantage in the severity competition situation, and that the only source for continuous competitive advantage is continuous creation and method of pursuing a scries of temporary dynamic advantage

    首先，分析了當時華州移動通信行業的經濟特性、競爭態勢、前景及吸引力；接著，運用swot 、價值鏈等分析法分析了aaa的資源、競爭能力及客戶導向的重要性；然後，運用持續競爭優勢和創造性破壞理論，闡明在激烈競爭的新形勢下，防禦已不能保護原有的競爭優勢，只有通過不斷地創新，追求獲得一系列暫時的動態優勢的方法，才是構築持續競爭優勢的源泉，從而形成aaa的戰略選擇；最後，運用漏洞分析法和核心競爭力分析等，結合動態戰略管理的理念，導出aaa的戰略實施方案，提出了戰略計劃。
  11. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  12. Hydrothermal synthesis is an effective route for the synthesis of transition metal vanadium oxide. tubular vanadium oxide can be synthesized by adjusting the ph of reaction system, regulating the ratio of reactants and controlling the reaction temperature

    通過合理的調節反應物配比、調節體系的ph值、選擇合適的反應溫度，可以得到具有管狀結構的釩酸鹽晶體。
  13. This paper mainly accomplished the following research : summarize the classify and application fields of four - probe testing technology ; take the square four - probe testing technology study by using the advantage of rymaszewski method in auto - eliminating the portrait wandering influence to induct ry method to square - probe testing method ; deeply study the influence of probe wandering to progressed ry method testing result ; complete the design of testing panel and testing circuit, realize the auto - testing of mono crystal wafer ; discuss the image enhancement and threshold selection problem in image identify, and finally accomplish the identify of probe pinpoint. the main new view points of the research : 1. it is the first time for applying image manipulation and analysis technique to the sheet resistance measurement, and achieving the auto - location function of the probe

    為此，本文開展了以下研究工作：綜述了四探針技術的分類以及應用范圍；對方形四探針測試技術進行了研究，利用rymaszewski法自動消除探針縱向游移影響的優點，將它應用於方形探針測試法中，並對探針游移對改進rymaszewski法測試結果的影響進行了深入探討，提出了用圖像識別技術監測測試進行的方法；完成了測試系統的測試平臺以及測試電路的設計，研製出具有圖像識別功能的斜置式方形探針分析儀一臺，實現了矽片電阻率測試的自動化；對圖像識別過程中涉及到的圖像增強和閾值選擇問題進行了論述，最終實現了對探針針尖的圖像識別以及探針測試結構的自動調整，保證了方形探針測試儀的測試精度。
  14. In order to promote employment and economic developments and to raise our national competitive capabilities, the early twenty - first century chinese occupational education policy should pay more attention to adaptation and service of occupational education to society in its value selection, laying equal stress on occupational training and occupational education at school, actively seeking a modest balance between governmental intervention and market involvement, and setting up a new occupational educational system conforming to market changes and giving priority to occupational education in rural and west areas

    摘要為了促進就業和經濟發展，提高國家競爭力， 21世紀初的中國職業教育政策在價值選擇上更加重視職業教育對社會的適應與服務，堅持職業培訓與職業學校教育並重，積極尋求政府干預與市場介入的適度平衡，以發展農村和西部地區職業教育為重點，建立適應市場變化的職業教育新體系。
  15. Only by mean of the resolution, can we select the signal that is the higher - ratio of signal - noise and cut off the lower ratio of signal - noise, thus the globe ratio of signal - noise is enhanced to a higher degree by the enhancement of the local ratios of signal - noise

    本人在這篇論文中，從小波基的選擇。量化方法、濾波器構成方面優化設計，尤其在小波閾值選擇上，通過把小波軟閾值的選擇與信噪比聯系起來從而增加了圖像信號的信噪比。
  16. In other words, human is technological being and human is value being, the paper views these two propositions as the logical starting points of the paper to explore the mutual correlations dialectically and systematically

    易言之，人是技術性的存在物，同時人也是價值性存在物。並且本文以此為邏輯起點展開了對技術進步與價值選擇二者之間的關聯進行系統、辯證的探索。
  17. Pointed out the problems after the open ringed servo electrical machinery system chooses pid algorithm, and concluded it into two points, firstly, the control transfer curve is not smooth, secondly, direct current servo ' s fix system can not reach its optimized point

    摘要指出了開環伺服電機系統選擇pid控制演算法后存在的問題，概括為兩點：其一是控制傳遞曲線不平滑；其二是直流伺服線性定常系統辨識不能達到最優值。
  18. The case analysis is consist of five parts, the first is the foundation, i. e. the strategy theory view of base on resources, of writing paper theory. the strategy question is, the second, consist of corporation mission and conditions of carrying value. the third is analyzing feasibility by industry circumstance analysis, boter ' s five compete forces, strategy groups, swot, value chain from industry ' s foreground and corporation ' s resources

    案例分析分為五部分，第一部分為論文寫作的理論依據：基於資源和范圍的戰略理論，第二部分提出公司所面臨的戰略問題，分公司使命和實現價值創造的條件兩章闡述，第三部分是可行性分析，運用行業環境分析、波特的五種競爭力量、戰略群體、 swot 、價值鏈等分析方法分別從行業前景和公司資源進行分析論述，第四部分是戰略體系的選擇，分別是競爭戰略選擇分析和營造競爭優勢，第五部分為戰略實施建議。
  19. 525d - 1 dual - bay enclosure, must set the cdrw to master, other device such as hdd set to slave, however toast 5. 02 titanium is cannot detect correctly. q10 : i installed new 60gb hdd with bb - fweide35 enclosure, i cannot see the " e : " drive in my computer, but in device manager can find " ieee1394 disk ", why ? please type " fdisk " in ms - dos prompt, and choose " 5 ", then you can see the drive available

    可以，需在windows 98se me設定: "系統"中的"裝置管理員"磁碟機"選擇該裝置"設定值"選擇"抽取型" ，這樣便可不過速度會慢一些亦可在"系統"中的"效能"抽取型磁碟"選擇"啟動抽取型磁碟機的延寫入快取記憶體處區"來提升速度。
  20. It brings up the technical line, the methods and the steps of the location establishment of the land price monitoring points. moreover, it studies the core techniques of the location establishment of the land price monitoring points including the technique of standard scores choice, the technique of standard units choice and the technique of land price monitoring points location. finally, it brings up the location establishment scheme of the land price monitoring points in chongqing municipality

    第四部分：地價監測點定位配置城市地價動態監測體系建設研究本部分就地價監測點的定位配置問題進行探討，提出了地價監測點定位配置的技術路線以及方法步驟，並在定位配置的標志分值選擇技術、標志單元選擇技術和地價監測點定位技術這些關鍵技術問題上進行深入的探討、最後提出重慶市主城區地價監測點定位配置方案。
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