相似導線 的英文怎麼說
中文拼音 [xiāngsìdǎoxiàn]
相似導線
英文
similars- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 線 : 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...
- 相似 : 1. (相像) resemble; be similar; be alike 2. (相像處; 類似物) similarity; similitude; analogue
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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。Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus
本研究利用線蟲誘導下owvt - 1菌株液體發酵,通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶,生物學測定表明其對大豆胞囊線蟲二齡幼蟲具有致死作用,同時測定了該酶理化特性,酶活力在75附近酶活力最高,隨著ph的增加酶的穩定性升高,與膽堿酯酶具有相似的ph曲線,對特異性底物aape ( suc - ala - ala - pro - glu - pna )具有作用, ssi和ci - 2抑制該酶的活性。Under different al concentrations, there are same change curves of sce rates hi cv. 2000 - 2 and cv. humai 16, but their critical concentrations, which can induce the highest sce rates, were significantly different from each other
經不同鋁濃度處理,這兩個品種的sce率具有相類似的變化曲線,但兩者的臨界濃度(誘導sce率最高的濃度)顯著不同(分別為10和320 mol l ) 。The united signal for the isar signal processing is called the cross - range dimension signal. the cross - range dimension signal of the target with nearly tangent motion is a linear frequency modulated signal
由推導的準切向運動目標的方位向信號的相位表示式可以看出,此信號近似為線性調頻信號。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit
通過野外考察顯微鏡下薄片鑒定x射線物相分析和礦物紅外光譜等研究,確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱流體系統的邊緣和演化晚期,可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似,流體作用發生在石炭紀,證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境,因此找礦前景較好。In the captivating new action - thriller from producer jerry bruckheimer and director tony scott, written by terry rossio bill marsilii, it is deja vu that unexpectedly guides atf agent doug carlin denzel washington through an investigation into a shattering crime
他憑強烈直覺,逐步沿著線索偵查,發現所接觸的人及事,均有「似曾相識」的感覺!這是一種錯覺?抑或是引導他破案的訊號?Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation
針對實際的實驗條件,考慮了一種影響量子干涉的新的因素-四波混頻場,研究了四波混頻場對雙光子探測的-型能級體系的eit的影響,發現四波混頻場能夠導致雙光子探測的eit線型的不對稱,在此基礎上,討論了不同探測場的傳播方式對eit的影響,針對分子中實際存在的包含有微擾能級的不同多能級系統,我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors
公司引進德國鐘罩爐設備,採用先進的爐內氣氛控制方法和特殊的氣氛曲線,生產高頻低損耗功率鐵氧體nh2c材料相當于tdk pc44及高磁導率鐵氧體nh13a材料ui 13000 ,充分滿足客戶對網路通訊用磁芯在性能和穩定性上近似苛刻的要求。The interaction of wave with multiple porous circular cylinders is analyzed also. the approximate value of the hydrodynamic force act on each porous cylinder can be calculated
在此基礎上進而分析了波浪對可滲透圓柱群的相互作用,推導出了作用於直線排列的群柱中單一柱體上的波浪力的近似解。Reference to the convention means of the analysis and research for energy spectrum hardening and photon scattering in internal and external, and based on the physical mechanism of radial interacts with matter, this paper approximatively deduce a theoretical formula of correction of energy spectrum hardening and scattered radiation in transmission industrial x - ray computerized tomography from a ideal model. and presented a correction computer program
本文在分析研究國內外有關射線能譜硬化和散射修正問題的分析方法及其研究狀況的基礎上,從射線同物質相互作用的物理學機理出發,從理論上近似推導了x射線能譜硬化和散射修正計算公式,建立了散射修正的分析模型,並編制了相應的計算機修正程序。Comparison between quasi - static indentation and low - velocity impact tests has been conducted in this paper at last. in accordance with energy balance principle, the dent depth vs. peak contact force under impact curve, which is derived from the dent depth vs. impact energy curve, is similar with the dent depth vs. indentation force curve with an evident transition
最後,本文還對低速沖擊試驗與靜壓痕試驗做了比較分析,並基於能量平衡公式,從沖擊能量凹坑深度關系導出了沖擊最大接觸力凹坑深度關系曲線,它與靜壓痕試驗得出的壓痕力凹坑深度曲線的變化趨勢相類似,即出現較明顯的拐點。Then we get some results : the curves of wavelength tuning properties are shown as a near - linear dependence on the applied voltage, and the tuning rate is larger with the duty - cycle decreasing when the voltage applies on the dual domain ; on the contrary, the - tuning rate is smaller with the duty - cycles decreasing when the voltage applies on the single domain
得到一些對實驗有指導意思的結果:得出電壓和波長調諧曲線近似呈線性關系,在雙疇加電壓情況下,占空比越小調諧速率越大,而在單疇加電壓情況下,占空比越小調諧速率也越小,剛好與雙疇加電壓的結果相反。In this paper, the variable phase center is calculated in the full space for the first time. the condition under which a linear array has a variable phase center in the full space is derived in the paper. it is concluded that the non - similar array has not variable phase center in the full space, but it has variable phase center in the e - plane and h - plane independently
本文首次將相位中心擴展到全空間中進行計算,導出了直線陣列在全空間中存在可變相位中心的條件,得出了由非相似單元組成的線陣列在全空間並非處處存在可變相位中心,但在e面和h面獨立存在各自的可變相位中心這一重要結論。Slice - imagings interpolation can creat new slices. this dissertation presents a gray - level matching interpolation method based on object gray - level distribution probability knowlege, through which we can get more clear scene at the boundary between different matters than that in traditional interpolation methods. with respect to non - similar shapes or no superposition of corresponded contours on adjacent slices and concave contours, this dissertation introduces a method based on variant shape - based interpolation
提出了一種基於對象灰度概率知識引導的對應點匹配的灰度插值演算法,解決了傳統灰度插值的不同種對象物質交界處的模糊問題;對于只關心物體邊界和重構目標形態信息的情況,介紹了當相鄰斷層上的對應輪廓線的形狀不相似,位置差異大時,利用改進的輪廓加權平均演算法進行輪廓形變插值的方法。A new similarity method in fem is presented for researching of the problems about the nonuniform and irregular region, such as micromachined microwave coplanar waveguide. by using this method, we calculate the characteristic impedances of mems waveguide and analyse the change with its different dimensions. with the use of a recurrence relation, this new method not only use much less computer ' s memory than the conventional fem, but also simplify the post - process
對低阻硅襯底上實現v型槽mems共平面波導進行了詳細深入的研究,提出並採用混合相似剖分有限元方法對不規則結構傳輸線的特性阻抗進行數值分析,在驗證了方法的正確性基礎上,進行了大量計算,並總結了常用50 、 120等阻抗傳輸線的結構參數。The grain losses were measured and compared when adopting the two different cross - flow fan, and the reason of the grain loss was analysied on the unit with two kinds of cross - flow fan, it ' s found that the cross - flow fan with bent vane is superior to the vertical vane. the pneumatic performance of the model cross - flow fan used in this dissertation was pre - searched at 1500 rpm by professor wang in this dissertation
試驗所用的曲板式橫流風機為前人研製的模型風機,本文通過該風機在1150r / min的轉速下的特性曲線,運用相似理論推導出其在550r / min 、 450r / min 、 350r / min的轉速時該風機的特性曲線。The theoretical deduction in chapter 3 shows that the shape of load distribution used in the arithmetic is a decisive fact of the error margin size, the more the adoptive shape looks like the actual case, the smaller the error margin will be, therefore the tilt parabola shape can instead of the actual shape of load distribution in the permissible error margin when we predicting constant loading noise caused by the tail rotor of helicopter
在第三章中通過理論推導和計算比較發現,在預測直升機尾槳定常載荷噪聲時,其誤差大小取決于演算法中槳葉弦向載荷分佈的數學描述與實際弦向載荷分佈的吻合程度,而選取一種與實際弦向載荷分佈較為相似的斜拋物線形來預測噪聲所導致的誤差是很小的。Last but not least, subdivision transformations are introduced in chapter five, the resemblance of subdivision transformations are also proved
第五章介紹廣義ball曲線的快速細分演算法,並由此推導出廣義ball曲線的細分變換為相似變換。分享友人