選擇特曲線 的英文怎麼說

中文拼音 [xuǎnzháixiàn]
選擇特曲線 英文
selectivity curve
  • : 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形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. 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集;初步了解和掌握了研究地區的地物光譜性及變異規律,進一步明確了掌握地物光譜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。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同點;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定位過程轉動力的變化過程;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決方案。
  3. The time - frequency curve of stern scatterer is analyzed. furthermore, high quality images are obtained by identifying the regions which are uniform in frequency. chapter 4 exposits the method of optimal time selection for ship isar imaging in detail

    本章分析了船尾處顯點的時頻分佈,並了時頻中頻率近似不變的時間段得到艦船圖像,其成像質量有了較大的提高。
  4. Anti - melatonin monoclonal antibodies of higher titer, affinity and good sensitivity were obtained by coupling mt to bovine serum albumin with formaldehyde and by immunizing mice with multifocal intra - dermal injections. we obtained 6 strains of hybridoma, all of them secreting specific antibodies to mt, we apply antibodies to determinate free mt inhuman serun with group - selective immunoassay technique. an inhibition curve for mt was obtained in the range of 50pg to30ng, and 1. 4ng of mt inhibited the value of the assay by half. we evaluate the specificity of antibodies by determination of cross - reactivity of several analogues, the moabs recognized mt but

    通過將mt用甲醛作連結劑連結到牛血清白蛋白上sa採用皮下多點注射兔疫小鼠得到了高效價,高親和力,較好異性的抗mt單克隆抗體,最後獲得了5株單克隆細胞株,都能分泌針對mt的異性抗體,建立了性基團免疫分析法,用制備的抗體測定了人血清中mt的含量,作了mt的抑制標準,其抑制范圍從50pg ? 30ng ,半抑制量為1
  5. Adopted advanced computer chip and digital technology, back - curve engineering, multiple choices of massage and modes, easily operated, uniquely movable shaking massage points, automatic time - set, built - in device for over - heat load protection

    採用先進電腦晶元和數碼控制技術,依據人體背部,多種按摩,百種按摩手法,操作簡便,獨的行走震顫式按摩手,電腦自動定時,內置過熱過載保護裝置。
  6. The selection of frame and field has been tested in standard - definition sequences. the experimental results indicated that selection of frame and field in avs has four characteristics, which are continuity of frame / field selection, consistency of ssd curves, relativity of motion information, as well as pertinence of quantization steps

    針對標清序列,對幀場情況進行了測試,結果顯示avs幀場有4個點:幀場方式連續性, ssd一致性,運動信息相關性,量化步長相關性。
  7. Mandarin tone is characterized for tone level and tendency of pitch curve, so head - tail difference and relative tone level rate are determined as tone features for chinese tn - syllable word ; head - tail difference and tone level at the beginning of syllable are determined as tone features of syllable in continuous speech

    漢語聲調主要由基音的調位高低和走向決定。因此,本文頭尾差和相對調位比作為三字詞音節的聲調徵;頭尾差和音節起點調位作為連續語音中音節的聲調徵。
  8. Based on the statistics and analysis of the accumulated experiment data in designing the mixing proportion of middle and small - sized concrete projects in west region of guanzhong plain, 3 groups of related diagrams and 5 groups of empirical formulas have been established, as well as a parameter table suitable for this region to select the concrete mixing proportion and a table of the mortar mixing proportion have been compiled. the quality of raw meterials and the characters of concrete in this region are also analyzed in the paper

    對關中西部地區各類中、小型砼工程中,配合比設計所積累的實驗資料進行了統計分析,建立了3種關系圖和5組經驗公式,編制出了適用於該地區砼配合比的參數表和砂漿配合比表,並對該地區原材料的質量狀況和砼的性能點,進行了必要的分析。
  9. The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve

    中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力;由於地緣關系,區域規模經濟與地域分割並存,是旅遊產業運動的一個基本徵,為此必須對區域旅遊經濟進行系統化布局,突出中心城市的產業中心性;因其區位條件獨,中心城市在區域經濟發展中居於明顯的優勢,與周邊城鄉部位存在經濟發展上的梯次性,這種梯次性是區域旅遊生產力布局、產業發展梯次傳動,最終整體聯動的經濟誘導機制;根據邊際效用遞減規律和旅遊者最大效用均衡理論,旅遊消費效用最大化的均衡在無差異與開支預算的切點(即旅遊目的地的最佳位置)上,且隨著邊際效用遞減,目的地的最佳位置向遠離中心城市方向移動,這就是中心城市與周邊旅遊地互動關系的經濟學解釋。
  10. And about the symbols, after analyzed the structural properties of alphabetic and digital characters on vehicle license plate in detail, the dissertation selects features of minutiae, closed curve and corners in strokes as the foundation of character recognition to recognize characters in license plate

    而對于符號,通過對車輛牌照上英文字元和數字字元結構徵的詳細分析,字元中的細節點徵、閉合徵和拐角點徵作為字元識別的依據,根據這些徵來識別牌照上的英文字母和數字字元。
  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、震源深度對基巖水平加速度峰值及基巖反應譜的影響、強度包絡函數及輸入隨機相位的、土體非性參數和土層剪切波速值的、設計地震動反應譜的標定等問題。
  12. The francies " hydro turbine models are induced, comprising of the linear model based on the model characteristic curves, the linear model based on the internal characteristics description, the nonlinear model based on four - quadrant characteristics and simply analytic nonlinear model. as a result of comparison of these models, it is believed that these models have different traits and the proper model should be selected according to the study purpose and known conditions

    歸納介紹了混流式水輪機的模型,包括基於模型綜合性化模型、基於內性描述的性化模型、基於全的非性模型和簡單解析非性模型等,對這些水輪機模型進行分析比較,認為它們的點各有不同,應根據研究目的和已知條件來合適的模型。
  13. It summarizes the characteristics of physical simulated profiling anomaly of common loop point array, it has conducted meaning and researching value on improving array, choice of parameters and data interpretation. the third chapter is about method technique

    探討了tem附加效應的產生原因及識別方法、消除或削弱途徑;總結了同點裝置物理模擬異常剖面徵,這對實際工作中改進裝置、參數及資料解釋有著重要的指導意義和研究價值。
  14. Abstract : the equivalent step planar wave - guide method is proposed to studythe propagation properties and design of diffused planar wave - guide. the model was established, and a set of simulation has been done, and a series of relationship curves among the parameters of wave - guide propagation, structure and technics are obtained. these curves are helpful to diffused planar wave - guide design and technical parameter selection

    文摘:本文引入一種研究擴散光波導傳播性及設計計算的新方法? ?等效階躍平板波導方法.建立了擴散平板光波導的等效階躍平板波導模型,進行了一系列的模擬計算,得出了一系列波導傳播參量、結構參量與工藝參量之間的關系.這些對于擴散平板光波導的設計計算、工藝參量等具有重要指導意義
  15. The main works have been done as follow : ( 1 ) after a great deal of literatures are read, the paper introduces the main ways of the flue gas desulfurization, and the development status of dcs ; ( 2 ) through the analysis of the former dcs system in the plant, the desire about the rebuilding of dcs is put ; the characteristic of the planning dcs system is introduced ; ( 3 ) according to the characteristic of the wet limestone - gypsum flue gas desulfurization, the main factor about influencing the efficiency of desulfurization is analyzed ; ( 4 ) some tests are done, which are the reduction and enhancement of the flue gas quantity, and the disturbing test of the starting and stoping the circulation of the serum in the absorbing tower. the paper lists some actual run curves

    本文完成了以下主要工作:在閱讀了大量文獻資料的基礎上,介紹了火電廠煙氣脫硫的主要方法,以及dcs的發展狀況;通過對本廠脫硫裝置原有dcs系統的分析,提出了對dcs改造的要求;介紹了擬dcs的點;根據濕式石灰石石膏法煙氣脫硫的點,分析了影響系統脫硫效率的主要因素;進行了吸收塔煙氣量減少、增加,啟停吸收塔漿液循環泵擾動試驗,並給出了部分實際運行
  16. The paper has made a comprehensive study to marine carbonate oolitic reservoir in triassic of feixianguan group of intra - platform taphrogenic trough basin in north - east past of sichuan basin. according to the principle of high resolution stratigraphic sequence, combined with original results gained form the area, the author have built up the base level cycles and fades model of different stages based on the surface identification mark of base level cycle using the information of geology, seismic, logging, core and outcrops

    1 、依據層序地層學高解析度基準面旋迴原理與識別技術,建立了裂陷槽向上變淺直至露出水面過程中形成的基準面旋迴變化的7種徵性識別標志,包括泥巖表面乾裂、淡水性溶蝕、白雲化現象、白雲巖、石膏、伽瑪高值、向上變厚、變粗序列、向上變細、變泥、變紅序列、向上值變低序列等。
  17. So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper

    本文在分析標準球面透鏡的設計及其光學質量的影響因素基礎上,開展了以下四個方面的研究: ( 1 )根據系列標準球面透鏡的具體結構點,透鏡的質量評價指標,研究標準球面透鏡的公差分佈,確定敏感結構參數; ( 2 )研究光學質量評價指標與失調量之間的函數關系; ( 3 )建立數學物理模型,根據球面波的實測結果,求解待調系統的失調方位和量值,研究原理上實現計算機輔助裝調的可能性,在zemax和matlab平臺上編寫輔助裝調軟體; ( 4 )建立實驗裝置,實際研究標準球面透鏡的計算機輔助裝調方法,文中給出相應的理論分析及實驗數據和
  18. Then, according to the established structure, the parameters of the optical switch were modeled and optimized. the thickness, roughness, verticalness of the mirror was analyzed and designed. finally, the rectangular magnetic material was selected for the electromagnet thirdly, the parameters were optimized by ansys software and the performance of the optical switch was analyzed

    首先根據電磁鐵的非性和梁的抗彎力的性,設計出磁力驅動懸臂梁式光開關結構,然後根據提出的結構,從理論上對懸臂梁的參數進行模擬分析出合適的懸臂梁參數,緊接著分析平面鏡的厚度、表面粗糙度、垂直度對光開關性能的影響;最後對磁路系統,明確具有矩形磁滯回的材料,設計出電磁鐵的結構。
  19. ( 3 ) aiming at the deficiency of present methods of network traffic anomaly, this paper proposes a new scale - adaptive detection mechanism. by means of wavelet packet decomposition, our method has the same detective ability to middle and high frequency as well as low frequency anomaly ; by means of reconstruct the wavelet packet

    該方法利用層疊模型從本質上體現流量性質的點,用多分辨分析( mra )和小波變換模極大( wtmm )估計層疊模型的判定條件作為檢測依據,通過對擬合誤差的估計來判定異常的發生。
  20. We have completed the earlier stage research on theory analysis, fabricated the grin sphere lenses using two kind of monomer selected by suspension diffusion copolymerization method, measured their refractive index distribution curve and other optical parameters of them, and evaluated imaging quality on the basis of their distribution curve

    本工作對此種透鏡的光學性能進行理論分析,兩種適當聚合物單體利用懸浮擴散共聚的方法加工制備此類微球透鏡,測量所得透鏡的折射率分佈和其它光學參數,並對此種梯度折射率微球透鏡的成像性進行了評價。
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