行星波 的英文怎麼說
中文拼音 [hángxīngbō]
行星波
英文
plane wave-
Go with a nice mix of planetary assault carriers, shock troopers upgraded with plasma disc launchers, annihilator tripods, and devastator warships
混編一些行星突擊母艦,升級飛盤的震波部隊,三腳,和毀滅戰艦是很好的。The planets occupy orbits that are regularly spaced according to a pattern first noticed by bode.
行星動行的軌道在空間的位置是有一定規則的,波特首先注意到了這種規律性。The expanding ejecta drive an outward - moving shock wave that races ahead of the ejecta into the interstellar gas ( bright outer rim )
膨脹的拋出物驅動著外行激波,領先於拋出物沖入星際氣體(明亮的外緣) 。Above this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals
圖上這座口徑34米的天線,編號dss - 13 ,隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時,小行星會把部分電波反射回地球,並由dss - 13所接收。Above ) this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals
(圖上)這座口徑34米的天線,編號dss - 13 ,隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時,小行星會把部分電波反射回地球,並由dss - 13所接收。In order to verify the prediction efficiency, 27 interplanetary shock events from january 1979 to june 1982 and 68 interplanetary shock events from february 1997 to january 2000 are used for testing. comparing the results of our disturbance model to those obtained by stoa and ispm, we find that our disturbance model is as good as the other two models, and in some cases even better
為印證擾動傳播模型的適用性,利用79年到82年間的27個激波事件,以及97年2月到2000年1月間的68個激波事件,對激波到達地球軌道附近的傳播時間進行了預測,並將結果與目前流行的行星際激波事件到達地球軌道時間的stoa和ispm預報模型所得結果進行了比較。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。2. based on the spaceborne sar theory, an elliptical earth model and an elliptical orbit model are proposed, which have some advantages over the traditional circular ones
2 .基於星載sar的基本理論,給出了一種進行星載sar回波信號模擬的橢圓地球模型和橢圓軌道模型,它們優于傳統的球地球模型和圓軌道模型。A preliminary analysis shows that the east - west asymmetry in the heliospheric equatorial plane is mainly attributed to the spiral structure of the interplanetary magnetic field
初步分析表明,行星際磁場的螺旋結構是產生日球赤道面內雙重激波對結構東西不對稱性的主要原因。In 1909, ernest rutherford showed that atoms were mostly empty space, revising the model of an atom to a tight positive nucleus containing the protons and neutrons with electrons around it ; by 1913, danish physicist neils bohr envisioned a planetary arrangement in which the electrons orbited the nucleus at different energy levels
在1909年,歐內斯特?盧瑟福展示原子大部分是真空區,修正的原子模型就是緊密的陽性核包含質子和中子,電子圍繞中子旋轉;到1913年,丹麥物理學家尼爾?波爾想象了一個電子以不同能量水平面圍繞原子核旋轉的行星排列。The background interplanetary magnetic field is spiral with a vanishing south - north component, the initial ionosphere is dominated by the region field - aligned current ( fac ) and the corresponding dawn - dusk electric field, and the interplanetary shock collides with the earth along the sun - earth line
背景行星際磁場為螺旋場,南北分量為零;初始電離層由區場向電流和相應的晨昏電場所主導;行星際激波沿日地連線方向撞擊地球。Small planets ' waves have small amplitudes, so you can pick the signal from the noise only after several orbits
較小行星的波振幅不大,因此科學家只能在它們圍繞恆星運行數次后才能從噪音中收集到訊號。The theory of median filtering method is presented. the application of this method in telemetry data processing is discussed
系統地論述了中值濾波方法的原理,以衛星姿控系統的遙測數據為對象,進行濾波處理。Then numerical experiments on forcing dissipation and heating response of dipole ( unipole ) are carried out using global spectral model of quasi - geostrophic barotropic vorticity equation. for every experiment model integration is run for 90 days on the condition of three waves quasi - resonance. the results are given as follows : ( 1 ) under the effects of basic flow intensity and dipole ( unipole ) forcing source, there exist strong interaction among the three planetary waves, and there also exist quasi - two - week and intra - seasonal oscillation of the three planetary waves
然後,用數值試驗的方法,應用強迫耗散準地轉正壓渦度方程的全球譜模式,並在方程中考慮了偶(單)極子的熱力強迫作用,在三個行星波準共振的條件下,模式共積分90d ,得出: ( 1 )在基本氣流強度和偶(單)極強迫熱源的共同作用下,三個行星波之間存在很強的波?波相互作用,且波動振蕩呈現準雙周和季節內振蕩。Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision
採用遙感技術,可以突破傳統調查方法的限制,發揮其宏觀、綜合、直觀、快速的特點,取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源,根據數據的特點及滑坡災害應用特徵,對quickbird遙感數據則基於1 : 10000dem進行了正射校正,對etm +遙感數據進行了波段優選,選取了753作為最佳組合波段;圖像增強,通過各種增強處理方法的效果對比,選擇主成分分析法對圖像進行增強;幾何精校正,糾正圖像的幾何變形;影像融合,主要選取了效果較好的his空間變換融合和解析度融合,得到的圖像既具有較高的光譜解析度,同時也具有較高的空間解析度。經過上述數字處理,較好地改善了圖像的視覺效果,提高了圖像解譯的精度。This paper presents three - dimensional, global numerical simulations of the dynamic response of the earth ' s ionosphere to interplanetary shocks
摘要本文就地球電離層對行星際激波的動力學響應進行三維全球數值模擬研究。The lower - band spectrum caused by unbalancing rotor and eccentric error of primary axes is analysised firstly. the vibration of basic factors and its features caused by the basic member are discussed, such as turbo - propellers, planetary - reducer and bearings
首先分析系統中由於主轉子動靜不平衡、主軸不對中而激發低頻諧波成分的現象,而後討論螺旋槳、行星減速器及軸承的振動故障機理以及整機振動綜合分析方法。The prediction of disastrous space weather is a hot topi c among solar - terrestrial physics and high technological fields. we propose that the future forecasting of the physical conditions that the violent solar disturb ance causes at the earth by propagating in solar wind depends heavily on the num erical method. this paper analyses the existing problems we are facing in the num erical prediction of disastrous disturbance events in solar - terrestrial space, an d then gives some suggestions for future study. for such a purpose, a six step sol ution method is developed to deal with one - dimensional symmetric interplanetary shock dynamics. it should be point out that that initialization of fully self - con sistent 3 - d mhd codes considering the solar - interplanetary - geomagnetic coupled r elations with initial - boundary values at 1r of the global output of solar pl asma and magnetic field using available solar observations is an essential requi rement in space weather operational codes for forecasting purposes
空間災害性天氣的預報是日地物理學界及高科技領域的熱門話題.未來預測太陽劇烈擾動所造成的行星際風暴到達地球空間的狀態勢必藉助于數值方法.淺析了空間災害性擾動事件數值預報存在的問題及未來設想,針對這一目的對一維球對稱問題提出了處理行星際激波的6步求解方法,指出未來空間災害性擾動事件預報模式應是一個基於三維的以真實太陽風為背景自洽建立起來的、以太陽等離子體輸出及磁場全球結構為初邊值、太陽、行星際、地磁因果耦合模式The harmonic drive and planetary gear transmission were carried on as examples for comparison, which lead to the results that the driving error of harmonic drive is greater than that of planetary gear transmission and the hysterisis error is smaller than the latter
在此基礎上,對諧波齒輪傳動裝置與行星齒輪傳動裝置進行實例對比分析,指出在閉環伺服系統中,諧波齒輪傳動裝置比行星齒輪傳動裝置的回程誤差小,但諧波齒輪傳動裝置的傳動誤差對系統的影響大於行星齒輪傳動裝置。Such a response depends on the strength of the interplanetary shock : for a stronger shock, the new region current gets stronger, extends for a longer distance towards the equator, and reaches a lower latitude
這一響應過程和行星際激波強度有關:激波強度越強,新生的區場向電流也越強,它向赤道方向延伸的距離也越大,能到達的緯度也越低。分享友人