方向常變的 的英文怎麼說
中文拼音 [fāngxiàngchángbiànde]
方向常變的
英文
choppy-
Air emboli lodge distally in the smaller arteries and arterioles of the brain and obstruct the flow of blood
空氣栓塞癥發生后,意識的改變是最常見的癥狀,其程度由方向感辨識不清到昏迷等。The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。It is found that the anomalous sea ice area over the southwest part of the sea of okhotsk, together with the associated northern pacific sst anomaly, can exert crucial influence on the variability in the vigor and nw - se extension ( contraction ) of the pacific storm track, while the sea ice area anomalies over the area of northeastern part of the sea of okhotsk and the gulf of shelikhow, together with its associated north pacific ssta, mainly impact the strength and south - north movement of the storm track
結果發現:冬季鄂霍次克海西南部海區海冰面積異常與北大平洋海溫異常共同作用對北大平洋風暴軸在西北東南方向的伸縮及強度的年際變化有重要影響;鄂霍次克海東北部及舍列霍夫海海區海冰面積異常與海溫異常的共同作用主要影響風暴軸的南北位移和強弱。The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle
在整個飛行包線內,旋翼的推力矢量方向不斷變化,飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化,因而飛機的飛行動力學有很強的非定常、非線性特性。At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles
在指紋圖像增強方面,本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點,對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區,然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波,最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。She is as in a field a silken tent at midday when the sunny summer breeze has dried the dew and all its ropes relent, so that in guys it gently sways at ease, and its supporting central cedar pole, that is its pinnacle to heavenward and signifies the sureness of the soul, seems to owe naught to any single cord, but strictly held by none, is loosely bound by countless silken ties of love and thought to everything on earth the compass round, and only by one ' s going slightly taut in the capriciousness of summer air is of the slightest bondage made aware
她如田野中的一頂絲綢帳篷在夏日的中午,微風吹乾了她上面的露珠也吹柔了懸掛的細繩她悠然自得地擺動支撐她的雪松樹干透過她的頂端直上雲霄見證了她靈魂的存在看上去,她不被任何單一的繩索束縛只被無數愛和思想的絲繩牽動沿著指南針方向,聯系萬物在夏日變換無常的微風中只有受到些微的阻礙時她才意識到一絲的牽伴。The properties are typically data place holders like variables, whereas the methods are typically pointers to unibasic subroutines
屬性通常是表示數據的佔位符(類似於變量) ,而方法通常是指向unibasic子常式的指針。According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions
進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置矢量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求Based on the research results on ground resistivity anisotropy degree, load unloading response ratio and day by day ratio of daily variation amplitude of geomagnetic vertical component, spatial correlation of absolute value of geomagnetic vertical component of beijing 21 hour and spatial correlation of daily variation of geomagnetic vertical component, we analyze the synthetical characteristics of these anomalies before the moderate strong earthquakes and gave the order of these anomalies and the synthetical correlation of these anomalies with the three elements
摘要在地電阻率各向異性、地磁垂直分量日變化幅度響應比和逐日比、地磁垂直分量北京時21點絕對值空間相關及地磁垂直分量日變化空間相關方法在江蘇地區的研究結果基礎上,綜合分析了這些方法提取的江蘇及周邊地區中強震異常的綜合特徵,給出了這些異常在震前出現的先後次序、地震三要素與這些異常的綜合關系。By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted
試驗中通過改變流速(通過離子交換柱) 、進水中重金屬離子( hg2 + )的濃度以及向原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。Cot1s i deri ng that t he exte ] - ioi - in t el - ference mai n1 y comes from t 11e sea fl o v l11elj i t i s un ( lel ' - i1 t el ", thi s nfr ) j { j1t i ; fi + lk, 7 : f } itft, ? } { t ! : i / cx pal7er veri fj ed t he st i ~ ol1g 1 ~ oi ) ust ness of th is fuxzy va1 - iilb1 e st l ' uctul ' c control method against the mode1 uncertainties and external disturhances, such as the variat ions of the sea current i s sdeed and direct ion, ancl it a1 so coinpared it se1f wi t. h the l > ji ) contl ~ o1 ler in comnlon use and the regu1ar variable structure contro11 er
論文分別討論了潛器縱向,橫向和航向三個子系統在不同條件下的控制問題,考慮到該潛器潛航時外界干擾主要來自海流,驗證了模糊變結構控制方法對模型參數時變及海流速度、方向變化的強魯棒性,同時將該控制器跟實際工程中常用的pid控制器和常規的變結構控制器的控制效果進行比較,並結合實際情況,將該控制器同縱傾調節相結合進行控制以更好地滿足實際工程的需要。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。Back grounded with the popularization and the massive scale development of higher education of china, the newly - founded colleges under local administration not only serve as the driving force to promote the economic and social development of the district, but also emerge as an important factor conducive to the local - oriented development of chinese higher education. the challenges most of the colleges have to face up to is to restart a new undertaking and to carry out the transformation from college for professional training to college offering undergraduate course, and from college to university. during that transformation, it is substantially essential that certain features be formed
在實現高等教育大眾化、我國高等教育超常規發展的背景下組建的新建地方性綜合學院,不僅成為推動區域經濟和社會發展的有生力量,而且也成為推動中國高等教育向區域發展的一支新軍。但它們都不可避免地面臨著再創業的挑戰,面臨著從專科到本科、從單科向綜合的轉變。在轉變的過程中,形成辦學特色尤其顯得重要。The slope zone in northern biyang sag is characterized by complex structure, developed minor fault blocks, varied seismic vertical and horizontal velocities and difficult to get imaging, which result in that conventional imaging approaches are hard to meet the needs for exploration and development of this area
摘要泌陽凹陷北部斜坡帶構造復雜,小斷塊發育,地震縱、橫向速度變化劇烈,成像困難,常規的地震成像方法成果難以滿足勘探開發的需要。Secondly, from the view of the analysis of potential science, the teaching mode of the basic constants in physics is presented. thirdly, on one hand, author analyses the basis of epistemology, scientific philosophy and psychology of the teaching mode, on the other hand, author investigates the potential properties and shapes of the basic constants in physics. at the same time, it is also given the path of applying the theories and methods of potential science to the teaching of the basic constants in physics
本論文首先,扼述基本物理常數「潛? ?漸顯? ?顯? ?漸潛… … 」潛科學分析的分析理念;其次,探討基本物理常數潛科學分析的教學模式:提出問題,引起認知定向呈現進化過程,挖掘物理內涵揭示並闡述潛科學特徵採取有效途徑,培養科學素質再次,一方面從理論上闡釋基本物理常數潛科學分析教學模式的認識論、科學哲學和心理學依據,另一方面從實踐上闡釋基本物理常數的創造性、反常性、待定性、隱變性、高難性及趨顯性等潛科學特徵,同時提出科學問題、科學幻想、科學猜測、科學經驗、科學悖論、科學蒙難、科學論爭、科學失誤、科學伯樂、科學潛才等潛科學形態與方法應用於基本物理常數教學中的途徑。Typically caused by distortions to the frequency components below the horizontal line frequency
它沿水平方向逐步擴展,通常是由低於行頻的頻率畸變造成的。3. at the vertical direction of the section, the grain - size distributional coarse and fine rhythms vary very pronouncedly with the alternation of sedimentary facies, which is clearly shown not only in the grain - size percentage in this section but also in the response from different grain - size parameters
在剖面的垂直方向,粒度的粗細韻律分佈隨沉積相的變化非常明顯。這不僅在剖面上粒度的百分含量可以清楚地反映出來,且各個粒度參數也同樣具有顯著響應。You will nearly always block the view of road giving little chance for your passenger to anticipate and be prepared for such changes
由於你會經常阻擋乘客的視,故此乘客很難預知車速或行車方向改變而及早有所準備。分享友人