電波反射 的英文怎麼說
中文拼音 [diànbōfǎnshè]
電波反射
英文
radio wave reflection- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 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) ...
- 電波 : [電磁] radio wave; electric wave; hertzian wave
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Another customization could be an apollo 2 with reflective armor, an antimissile system, a power engine, and a shield generator
你定製的另一個單位可能叫做阿波羅2號裝備的有反射裝甲,反導彈系統,電力引擎和防護罩發射器。Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束電子波衍射的方式,同光波從一個反射光柵上彈回的方式完全類似,這真是不可思議。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。By adding definite chirality reagent the lcd reflection wavelength is changed and the voltage is increased. by adding a bit of active reagent such as polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate, glyceryl momostearate and so on, the lcd response velocity is remarkably improved. the lcd response velocity is increased about 200 times
通過加入一定量的手性劑改變了液晶顯示器反射波長、提高了相變電壓等性質;分別加入少量活性劑吐溫80 、吐溫85 、單硬脂酸甘油酯顯著提高了液晶顯示器的響應速度,其響應速度提高了200倍左右。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。The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.
電離層反射電波的能力取決于不同高度上電子密度的正常差別。This is the form of the fields set up by feeding electromagnetic energy into a resonator formed by two curved reflectors.
它是將電磁波輸入由兩個曲面反射鏡組成的諧振腔后所建立的電磁場的形式。Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar
人為地輻射或反向輻射電磁波,使一段特定的無線電波譜的可用性削弱,而這一波譜段是由敵人的通訊或雷達所使用。Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。Based on an amplified spontaneous emission ( ase ) source, a ring - cavity fiber laser, in which sensor element acted as the reflector of the cavity, was achieved with high - signal noise ratio ( snr ) and high - power. it was demonstrated that the output power was maximum, when output coupler ratio of the coupler was seventy percent
實驗證實耦合器的輸出耦合比選為某一個最佳值70 ,當980nm泵光工作電流為50ma時,其輸出功率達3 . 5mw ,且輸出激光波長與作為反射鏡的光纖光柵中心波長相同。The improved microwave output power and efficiency are obtained. ( 1 ) the radial klystron oscillator with foldaway - concentric cylindrical resonant cavity is researched firstly
研究了徑向電子束與徑向間隙內,徑向二極體間隙內,徑向反射速調管內的微波電場的相互作用過程。The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator, while the existence of klystron cavity improves the extracting efficiency, hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices, becomes a compact, efficient set
利用虛陰極反射電子束對調制腔的正反饋,可以減小起振電流和起振時間,而且提高了微波產生效率。它是一種結構簡單,緊湊,不需要引導磁場的器件。The design of amorphous photonic material and photonic crystal devicements we design to make a reflecting mirror of cylinder paraboloid of an antenna by using amorphous photonic materials. we calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. the result shows that it can be used as a reflecting mirror of an antenna
非晶光子材料和光子晶體器件的設計提出了用介質圓柱光子晶體作微波天線的柱拋物面反射鏡,用多重散射方法計算了反射鏡的透過譜,並模擬計算了天線的電場分佈,初步認為可以用非晶光子材料作微波天線的反射鏡。The conclusions from this research include : ( 1 ) the real part mainly effects the delay time between two peaks of gpr signal, the larger the real part, the longer the delay time. ( 2 ) the imaginary part mainly affects the peak amplitude of gpr waveform except that from pavement surface, the higher the imaginary part, the lower the peak amplitude. ( 3 ) the neglect of imaginary part of dielectric will increase the analyzing error obviously when it is higher
分析了路面結構層材料介電常數實部和虛部對雷達電磁波反射信號的影響,並得出以下結論: ( 1 )介電常數的實部主要影響雷達反射波的時延,實部越大,時延越長; ( 2 )虛部主要影響除路表反射波幅之外的其它結構層界面的反射波波幅,虛部越大,反射波幅越小; ( 3 )當介質介電常數虛部較大時,忽略虛部將給分析結果帶來明顯的誤差; 3The land clutter is useless signals for target detection caused by land terrain. the multipath effect is some kind of interference which is caused by wave reflection on terrain. the diffraction effect is the phenomenon of wave propagation into shadow region
地雜波是由地面散射引起的對目標探測無用的信號;多路徑是由電磁波在地面反射所引起的干涉;衍射則是電波繞射傳播到遮蔽區的現象。The acoustic reflections from a submerged piezoelectric / elastic bilaminar sphere shell are studied by applying of the computational software ansys in which the finite element technique is used
摘要採用有限單元計算軟體ansys對無限水域中壓電彈性材料復合層球殼的聲波反射進行了數值研究。So the value and distribution of the dielectric constant in erf change. in this paper the coupling between the microwave and erf was investigated
在微波頻率為9g時,研究了納米二氧化鈦包覆高嶺土、鈦酸鋇以及釔摻雜鈦酸鋇三種電流變液的微波反射可調控特徵。Study of active periodical structure s controlling the direction of reflector electromagnetic wave
有源周期性結構控制電磁波反射波束指向研究It can get the information of the objects in its supervised water area by collecting the reflected electromagnetic wave. because the raw radar video represents the real condition of the supervised water area, it is an important information resource for vts centers and maritime administrative offices to get the evidence on the spot
雷達利用電磁波反射原理收集監測海域內的物體回波信息,雷達原始視頻數據實時動態地反映了海域內的真實情況,因此對于交通管制和海事取證具有極其重要的作用。分享友人