視輻射點 的英文怎麼說

中文拼音 [shìfúshèdiǎn]
視輻射點 英文
apparent radiant
  • 視 : 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
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 輻射 : radiation; exposure; radio; beaming
  1. A " meteor shower " occurs when our home planet encounters a relatively dense region of meteoroids in space. an unusually large number of meteors can then be seen streaming from a certain point in the sky known as the " radiant "

    許多流星像從星空中某一點稱為輻射點向外散射而出，其實流星群飛向地球時大致是平行的，輻射點是視覺上的透視象。
  2. Although the radiant will be in constellation perseids, do not look directly there. a distance between 40 to 60 degrees away is optimal. therefore, an observation site with unobstructed view, especially the northeast, is essential

    雖然流星雨輻射點在英仙座，但流星出現時不一定是輻射點附近天區，而是距離輻射點40至60度的地方，所以請選擇天空視野開闊的地點進行觀測，最重要是東北方無遮擋。
  3. Except with the advantages of long range early warning and anti - stealth, rending anti - radiation missiles useless, also for its inherent flexibility and mobility that enlarge warning region, high frequency ship - borne surface wave over - the - horizon radar ( hf sswothr ) has been widely used in military domain

    高頻地波艦載超視距雷達具有遠距離預警、反隱身、抗反輻射導彈攻擊等方面的顯著特點。而且載艦本身的靈活性、機動性又提供了更廣闊的警戒空間，因此它在軍事上具有廣闊的應用前景。
  4. The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers

    在被動激光偵察告警中，對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時，脈沖激光信號到達探測器的能量很小，會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法，可對強烈背景光中的激光威脅信號進行探測和告警，並給出其波長參數。
  5. By analysing the regional characteristics of distribution of producing locations of medicines included in shennong s classic of meteria medica, it is pionted out that, based on quantity of production, yizhou of the 13 bu - administrative regions and taishan prefecture are the locations for massive production of medicines in the han dynasty. judging from distribution of locations, luoyang, the eastern capital and changan the western capital are the two centers, with the former more productive than the latter. it is suggested that the hongnong prefecture, the mid point between luoyang and changan, was an important crude drug trading center in the eastern han dynasty. the records of producing locations in shennong s classic of meteria medica reflects the importance it attaches to the genuine producing sites and dimonstrates the changes of genecine locations of drug production since the qin - han periods

    分析《本草經》藥物產地分佈的區域特徵后指出：以出產藥物數量計，漢代十三部政區中之益州，郡國中之泰山郡是當時大宗藥物產地；從藥物產地分佈來看，藥物出產分別以東都雒陽、西京長安為中心，向外輻射，而東部產藥多於西部；推測位於雒陽與長安中心點的弘農郡，可能是東漢時期重要的藥材貿易場所； 《本草經》關于藥物產地的記載，反映了此書對藥物道地性的重視，同時也在一定程度上揭示了秦漢以來藥物道地產區的變化。
  6. Although the radiant will be in constellation quadrans, do not look directly there. a distance between 40 to 60 degrees away is optimal. therefore, an observation site with unobstructed view, especially the northeast, is essential

    雖然流星雨輻射點在象限儀座，但流星出現時不一定是輻射點附近天區，而是距離輻射點40至60度的地方，所以請選擇天空視野開闊的地點進行觀測，最重要是西北方無遮擋。
  7. Although the radiant will be in constellation draco, do not look directly there. a distance between 40 to 60 degrees away is optimal. therefore, an observation site with unobstructed view, especially the northeast, is essential

    雖然流星雨輻射點在天座，但流星出現時不一定是輻射點附近天區，而是距離輻射點40至60度的地方，所以請選擇天空視野開闊的地點進行觀測，最重要是西北方無遮擋。
  8. Passive location technology, which does not radiate electromagnetic wave, can locate the radiant in a hidden way. featuring in long function range, high anti - interference capacity, it plays more important role in improving survival and operation capacity of electronic system in the electronic war. more countries put emphasis on the research of passive location technology is receiving

    由於無源定位技術能在自身不輻射的條件下，隱蔽地確定輻射源位置，具有作用距離遠、抗干擾能力強的特點，對于提高系統在電子戰環境下的生存能力和作戰效能具有十分重要的作用，因此對于無源定位技術的研究越來越受到各國的重視。
  9. On the forth, the formative mechanism and development features of economic development system of urban agglomerations are been elaborated, the author makes a further study on the mechanism of economic integration of great pearl river delta urban agglomerations. and then gives a retail discussion on integration goal and the four models has been brought forward

    （ 5 ）從產業體系的升級和重組、產業空間轉移和集群化發展對城市群經濟整合發展深層作用等多維的視角出發提出大珠江三角洲城市群經濟整合模式，其中包括產業轉移與互補、點軸聯網輻射、職能分工和集群化整合等四種模式。
  10. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點，發現在一定傾斜角度的觀測下，視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率，所以稱該方法為最佳組分面積比法，用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度，經過地面和遙感數據驗證表明，用該方法計算的通量精度高於普通的單層模型。
  11. Through the event horizon temperature of a kind of manko black hole with mass multipole moment can derive that the value is a constant except singular points, near which the temperature values are irregular. as one of the novel conclusions, such phenomena about the distribution has been paid reasonable explanation

    本文對一類具有質量多極矩的manko黑洞的視界溫度進行了研究，準確地計算出此類黑洞的熱輻射溫度在視界上除內稟奇點處外是常數，而在黑洞視界面的內稟奇點附近的視界溫度出現異常值，並對這種溫度分佈的現象作了合理的解釋。
  12. The hardware of the system is sum up with the purchased television aerial, agilent 8482h power sensor, dsp, oscillograph, etc. for the software part, the architecture takes advantage of the mathematical rule of both the antenna ’ s radiation field and electromagnetic field, for example, the finite - difference time - domain ( fdtd ) method

    硬體電路設計調試方面，利用購置電視天線、 aglient8482h功率傳感器和dsp 、示波器等組成系統等進行試驗。在軟體模擬中，本文重點介紹並且綜合應用了天線輻射場的計算方法和電磁場的數值計算方法? ?時域有限差分（ fdtd ）方法。
  13. Compared to other approaches, stereo vision is rapid, accurate and easy to conceal, as it is a passive measurement, which does not emit light and radiation

    相對與其他的方法，立體視覺是一種被動式的測量方法，本身不發出光以及其他輻射源。具有隱蔽性好，測量快速、準確等優點。
  14. The principium of the simplification criterion is that the light eradiated from surface will attenuate during it ' s transmission, so the light energy eradiate from the surfaces far from the viewer will become too faintness to attract the viewer ' s attention, thus the surfaces far from the viewer can be emerged into larger surface, then by combining with the residual light energy and terrain roughness, the new simplification criterion is formed

    本文根據光能衰減原理，從人的視覺效果出發，認為由於地形面片輻射的光能將隨著距離增加而不斷衰減，所以距離視點較遠處的面片輻射到視點的光能必然很微弱，這樣就可以將遠處的面片合併成較大的面片，從而達到簡化地形的目的。
  15. Even without these man made sources of radiation, exposed to natural background radiation. the rocks and soil of the earth s crust contain variable amounts of natural radioactive elements such as uranium and thorium. this varies with geography - for example the hottest places in britain are cornwall and around aberdeen

    就算排除人為輻射，人類會在天然環境中接觸到本底輻射，如地球外殼的巖石和泥土含有份量不同的輻射元素如鈾和釷，而份量視乎地理位置，如英國的康瓦爾和阿伯丁郡最為熱點。
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