視在速度 的英文怎麼說

中文拼音 [shìzài]
視在速度 英文
apparent speed
  • : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The cable tv industry expanded rapidly in the 1980s

    有線電80年代發展。
  2. Electrical capacitance tomography ( ect ) is one of process tomography ( pt ) technique which is based on capacitance sensor, it can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe, vessels and so on in real time. ect has the advantage of being non - intrusive, fast in response, simple in structure, high safety and low in cost, so it is one technique which has great developing potential in field of petroleum, chemical engineering and so on

    電容層析成像( ect )技術是近年來發展起來的一種基於電容敏感機理的過程層析成像( pt )技術,可實時提供封閉管道、容器等過程設備內物場運動狀態的二三維可化信息,具有非侵入、響應快、結構簡單、安全性能好、成本低等優點,是一種石油、化工等領域很有發展前景的pt技術。
  3. At the event horizon, the escape velocity is equal to the speed of light

    活動界里,逃逸等於光
  4. When the escape velocity at a certain distance from the center reaches the speed of light, an event horizon is formed within which matter must inevitably collapse onto a single point, forming a singularity

    當離中心某個距離的逃逸達到光,形成一個活動界,裏面的物質一定不可避免單一點之上坍塌,形成一個奇異點。
  5. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量,包括渦、散、垂直、鋒生函數、熱源、水汽匯等,對這一暴雨過程有了比較系統的認識。結果表明:江淮流域存著有利於發生暴雨的物理量場配置,渦、散、垂直等物理量,與暴雨的落區都很吻合的;低空急流的產生不僅有利於水汽的輸送,而且高低空急流的耦合造成了有利於強上升運動的配置;鋒生強隨著降水系統的發展變化,並影響降水強
  6. Black is the traditional color of mourning in the west. but on the pacific islands of melanesia, it ' s a symbol of beauty and speed

    西方黑色被作服喪的傳統顏色。但是美拉尼西亞的太平洋群島上,黑色象徵著美和
  7. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調系統( pwm )和位置環構成的定位系統中,環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此設計位置環的離散滑模控制時,必須針對環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統參數攝動時的穩定性和快、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  8. The study corroborated previous research that found female alcoholics scored lower than their male counterparts in tests that assessed working memory, visuospatial skills and psychomotor speed

    這項研究支持先前關于女性酗酒者工作記憶、覺空間技能和精神運動的測試中較男性酗酒者得分低的發現。
  9. Digital image processing consume a large amount of memory and time commonly. basing on the advantage of fpga, the paper design harware module by hdl ( hardware language ), i. e., some function is achieved by les ( logic element ) of the fpga. the real - time of digital image processing is achieved by this. the sample and display of digital image is the important part. so, the paper mainly design the sample and desplay module. the sample card is designed and it ’ s word mode is configured according china ’ s cvbs ( composite video bar signal ). for acquiring the image and storing it correctly to sram, the paper design the sample - control module. the sample module can work correctly using least time. the reliability and real - time achieve the reference. according the vga principle and scheduling of the ths8134, the paper design a vga - control module by hdl. firstly, the control signal is synthesized secondly, the horirontal and vertical synchronization signals is synthesized according to the vga interface standard

    圖像處理的特點是處理的數據量大,處理非常耗時,為實現數字圖像的實時處理,本文研究了fpga上用硬體描述語言實現功能模塊的方法,通過功能模塊的硬體化,解決了頻圖像處理的問題。圖像數據的正確採集和顯示輸出是其中的兩個重要的模塊,因此,本文主要完成了圖像數據的採集和顯示輸出的設計。本文設計了採集卡,並要對其工作模式進行了配置和編寫了採集控制模塊,採集控制模塊的控制下,將數字圖像數據正確無誤的存儲到了sram中。
  10. The structure of the network collaborative design is put forward. the theory of the synchronal application sharing, the technique of multi - media exchanges, the technique of instant communication, the technique of whiteboard and the technique of the management of the network collaborative design are inquired. facing some problem which exsit in the current research, such as, the method of the synchronal application sharing, how to increase the speed of the respondence of the application sharing and how to deal with the video and audio data in the multi - media exchanges, some preferable solutions are put forward

    本文綜述了網路化協同設計技術的國內外研究現狀,從研究網路化協同設計系統的體系結構入手,分析討論了網路化協同設計系統中的同步協同應用共享的原理和實現方法、多媒體交流技術、即時通訊技術、共享白板技術和協同設計系統的管理技術等網路化協同設計技術中的關鍵技術,並針對目前這些關鍵技術的研究中存的一些問題, (如同步協同共享中應用共享的實現方法,如何提高應用共享的響應,多媒體交流中的頻和音頻數據的處理,協同設計系統的管理等)提出了一些相對較優的解決方案。
  11. In high - performance aircraft the pilots are vulnerable to ci because of some of the aircrafts " characteristics, which include high sustained + gz ( hsg ) acceleration, high rate of onset and high angular acceleration etc. so it has all the while been attached much importance to the studies on the mechanism of ci and the preventing and overcoming method of ci by the researchers in aviation medicine field

    目前以f - 16 、蘇- 27為代表的高性能戰斗機,其所具有的持續高加( + gz ) 、高加增長率、高角加的特點更易導致飛行中科里奧利錯覺的發生,嚴重危害飛行安全。因此,對科里奧利錯覺的機理及預防與克服研究航空醫學中一直受到人們的重
  12. With a view to the course of history, it ponders profoundly over the global ecological destruction and environment pollution brought about by the first industrial revolution while giving impetus to the mankind and describes the tragedy and disastrous effect of the chinese closed - door policy of more than two centuries on human living and environment and the high price paid for the nation ' s neglect of the coordinative development of society, economy and ecological environment as the economy construction reaching " super - convention " increasing speed after liberation

    尤其是縱貫歷史的進程,深刻反思了第一次工業革命推動人類社會進步的同時,所造成的全球生態破壞和環境污染問題;並針對我國實際,詳細描述了兩個多世紀我們閉關鎖國,加劇人類生存發展環境危機的悲劇與惡果;以及新中國建立后,國家經濟建設取得「超常規」增長的同時,由於忽社會、經濟和生態環境之間的協調發展而付出的沉重的代價。
  13. Adsense offers a contextual advertising solution to web publishers delivers text - based google adwords ads that are relevant to site content pages

    如果您覺得觀看本站頻節目不夠流暢,排除了本地網路問題之後,問題仍得不到解決。
  14. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,分析及研究最新的頻編碼標準h . 264的基礎上,利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的最佳編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,壓縮碼流只有少許增加的情況下,大幅地提高了幀內及幀間編碼的
  15. The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions

    對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可化研究,分別獲得了較低循環流率下過渡區和高循環流率下稀相區顆粒團的運動,形狀,持續時間及其動態變化情況。
  16. The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology

    論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計,並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法;並著重分析人機交互與點漫遊功能的技術系統中的實現;佔用有限資源的前提下,為了提高場景實時顯示,論文中採用顯示列表和模型淘汰等技術,並編制出了一個虛擬礦井實例。
  17. Hill fire advances rapidly upward and windward on a steep grass slope in dry weather. never underestimate its devastating power

    乾燥的天氣,山火于較斜的草坡上順風向上蔓延極快,遠足人士絕不可輕
  18. The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming

    本文首先從理論上分析了高頻地波超距雷達所用的線性調頻斷續波信號的形式,研究了fmcw雷達測距測原理,並深入地探討了fmicw信號的基本處理方法以及具體的演算法,主要包括距離變換中採用的時間波門相關處理方法,多普勒變換,數字波束形成。
  19. Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations

    摘要針對洲際彈道導彈,分析加計測量誤差和陀螺漂移誤差對導彈影響的基礎上,給出了中制導段慣性系統對和位置的誤差傳遞模型,對給定的慣組誤差系數偏差進行了純慣性導航制導誤差計算。
  20. Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2

    我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段空間上的場,激發溫場,向上處于第二能態的氫原子柱密場以及湍流場。
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