隨機發射 的英文怎麼說
中文拼音 [suíjīfāshè]
隨機發射
英文
random emission-
This section essence shrinks the proportion is 1 : 43 simulation model vehicle the east wind - 11 short distance trajectory guided missile truck which develops voluntarily by our country, may mobile launch carries the system is a prototype, the chassis and the missile are the alloy manufacture, the missile may take out from the discharger or revolves along with the discharger to each angle, all vehicle doors may open, the rubber tire may rotate, the zero number of articles approaches 200
此款精縮比例為1 : 43的模擬模型車以我國自行發展、可機動發射的東風- 11短程彈道導彈車載系統為原型,車體及導彈為合金製造,導彈可以從發射架上取出或隨發射架旋轉至各個角度,所有車門均可打開,橡膠輪胎可以轉動,零件數接近200個。Helicopters in action " is about to take you on an adventure around the world from sierra leone, where you ll participate in delivering humanitarian aid in the largest helicopter in the world, to miami for a wild ride in a black hawk helicopter intercepting drug runners. hold on while you swing through the air with five marines dangling from a rope attached to a ch - 46 flying over the atlantic and swoon as a cobra swoops low over enemy territory. try not to slip as you traverse 500, 000 - volt high wires
全天域電影直升機行動組將會帶你參與周遊列國的歷險旅程:在非洲獅子山你會乘坐全球最大型的直升機協助人道救援工作在美國邁阿密,你會登上黑鷹直升機截擊毒販又或者與五名美國海軍陸戰隊隊員一起乘坐ch - 46直升機,飛越大西洋上空,並在半空游繩而下或乘坐眼鏡蛇直升機在敵方領空低飛或登上直升機,跳上500 , 000伏特高壓電纜上進行維修工程或屏息靜氣,緊隨獸醫在南非乘坐直升機在離地面3米的高度,向黑犀牛發射麻醉槍或乘坐直升機跳入驚濤駭浪中參與海難救援工作。With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission
通過掩膜預處理和擋板轉移技術的配合,利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明,該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出,薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。With the minimumization of wireless camero, colourful video head weights no more than 100 grams costing roughly rmb 1000 however having a effective distance of 1500 meters, therefore photos taking, model s battle or using on submarine, taking photo in deep water or making robot can also be carried out by your own devices
隨著無線攝影器材的微型化,彩色攝像頭總重可以不超過100g價錢遠1500米發射距離也不過1000來元,因此可以利用自己的航模來進行,航空攝影,與航模空戰中,並可用在潛水艇模中,進行水下攝影,做成自己的水下機器人。In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel
在無線通信中,發射機和接收機之間的相對移動會造成電波傳播路徑的改變,從而使通道變成隨機時變通道。Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area
然後從粗糙面散射kirchhoff標量近似理論出發,得到了平面波對高斯分佈的二維隨機粗糙面的相干散射和非相干散射強度表達式,並給出了單位面積粗糙面非相干散射的表達式。The instrument can detect all kinds of steam, diesel engine start - up performance, high - voltage ignition performance, fuel injection performance, rechargeable performance, dynamic performance, service gas phase, abnormal sound engine vibration analysis more than 30 kinds of technical parameters, and analyze the causes for the failure, the detection process, may at any time and waveform display various technical parameters and results can be random print, the machines are more than 100 kinds of domestic and foreign memory engine technical parameters, it is rich in content and the test results can be readily compared
該儀器可檢測各種汽、柴油發動機的啟動性能、高壓點火性能、燃油噴射性能、充電性能、動力性能、配氣相位、發動機異響震動分析等30餘種技術參數,並分析故障產生的原因、檢測過程中,可隨時顯示各種波形及技術參數和結果並可隨機列印,該儀器內存有一百多種國內外發動機技術參數,內容十分豐富,隨時可以與檢測結果對比。A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field
本文從原理上分析了雙基地天氣多普勒雷達的構建、基本幾何關系、有效散射體積及其與雙基地角的關系,有效散射體積和目標與雙基地天氣多普勒雷達主站發射機的距離的變化關系,指出雙基地天氣多普勒雷達有效體積和單基地雷達有效照射體積隨之距離的變化有相似之處,但是由於收發分置的幾何結構,雙基地天氣多普勒雷達的性質與雙基地大氣多普勒雷達的散射角有著密切的關系。As there happens to be a rather large typhoon approaching port discovery at the moment, guests at the cwc are invited to board one of the center s flying weather laboratories and observe a mission to test one of the new " fuses " by delivering it right to the center of the storm
氣象觀測試驗室新研發的氣象觀測飛機暴風騎士,能沖入暴風眼發射破爆器消滅暴風。今天當您隨行搭乘暴風騎士去觀察時,恰巧遇上史無前例的超大暴風!More than a half of domestic model friends have not paid enough attention on the right use of channel flag, ribbon is often tied to the antenna of emitting device to see the direction of wind sometimes no strips, in fact channel flags are mainly used to tell the different channels by it s distinct colours in addtion to observing the direction of wind, please notice that some colourful flags can no longer be used
3 .我有我品味多半國內模友在飛行時都沒有注意正確使用頻道旗,往往只是在發射機天線上繫上飄帶以便看風向有的甚至沒有,其實頻道旗除了可用於看風向外,最主要的作用是以其不同的顏色區分不同的頻道,注意不要隨意掛五顏六色的旗了哦!The acoustic emission experiments of concrete under uniaxial tension loading in whole process are conducted arid the stochastic modeling theory is introduced to determine the random field distribution parameters of the limit fracture strain of the mesoscopic damage elements
利用混凝土單軸受拉破壞全過程的聲發射實驗數據,引入隨機建模理論,確立了細觀損傷單元的極限破壞應變隨機場分佈參數。To study the periodical electromagnetic pulses with random timing jitter radiated by electromagnetic pulse transmitters, the psd ( power spectral density ) of periodical electromagnetic pulses with random timing jitter was obtained based on the analysis of the - function of the psd of timing jitter
摘要針對工程實踐中電磁脈沖發射機輻射的隨機時間抖動周期性電磁脈沖信號,在分析隨機時間抖動周期-函數功率譜密度的基礎上,得出了隨機時間抖動周期性電磁脈沖串的功率譜密度。The structure was analyzed by x - ray diffraction. it is found that the samples are randomly origined and the structure has been changed little by doping
用x射線衍射對它們的結構進行了分析,發現這些樣品都是隨機取向,且摻雜基本未改變材料原來的晶體結構。The numerical results from the phase portraits, the period - doubling bifurcation and the poincare sections show that external stochastic excitation always masks the regular motions of a deterministic system and plays a dissipative role to the motions of the system, which causes the chaotic motions of the system to arise easily, though the period - doubling bifurcation is delayed
系統的相圖、倍周期分岔圖以及龐加萊映射圖等方面的數值結果表明,外加隨機激勵的作用往往掩蓋原確定性系統內在的規則運動,對原確定性系統的運動具有較典型的分散作用,可延緩系統的倍周期分岔,也可使得系統內在隨機行為提前發生,即可使得系統更容易出現混沌運動。The severity of stochastic effects is independent of the absorbed dose. under certain exposure conditions, the effects may or may not occur. there is no threshold and the probability of having the effects is proportional to the dose absorbed
隨機性效應隨機性效應的嚴重程度是不受吸收劑量的大小影響。在一定的照射條件下,效應可能出現,也可能不出現,而發生的機率則與劑量大小有關,並且不存在劑量閾值。According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。Comparing of the ratio of 550nm emission intensity to 525nm in samples annealed at different temperature and times, the results obtained from a fit of the integrated intensity for these two emission indicated the change of radiative transition probability at different energy level are different
通過比較不同退火溫度和時間樣品的兩者發光變化的不同,發現兩者的激發機理不同。通過比較不同樣品的525nm和550nm發射強度比值隨退火條件的變化以及這兩個發光的積分強度的變溫擬合結果說明退火對不同能級的輻射躍遷幾率的影響不同。Then we introduce pulse position modulation ( ppm ) using pn code and analysis its multi - access performance, system capacity and power spectrum density. on the basis of those analyses, we study the pulse shape and the anti - jamming ability of the system. at last, multiple access with pseudochaotic time hopping is introduce
本文首先闡述了uwb脈沖通信系統的基本原理,重點介紹了用偽隨機碼跳時的ppm (脈沖位置調制)調制,分析了他的多址性能、系統容量和功率譜密度,在此基礎上研究了改進性能的發射信號形狀和系統抗干擾能力,最後介紹了偽混沌碼跳時的多址方式。To ensure all segments under construction to approach corresponding construction segmental reasonable states in both configuration and mechanics states and good behavior of structure after completion, escaping from all kinds of accidents in whole process of construction with high efficiency, safety, excellent quality of engineering achieved, the grey prediction model ngm ( 1, 1 ) was proposed to fit prediction of any raw grey series by studying grey causes and whitening results based on the normalized mapping rules ; random perturbation method of genetic algorithms was proposed to raise efficiency of forward rolling optimization ; simultaneous analysis of strength and stability was carried out to ensure safety of strength and stability
摘要為了保證實際施工中結構各節段在構形和受力狀態兩方面逼近施工節段合理狀態,避免事故發生,確保工程高效、安全、優質,基於歸一化映射規則,研究灰因和白果,提出了適應任意灰序列的灰預測模型ngm ( 1 , 1 ) ;研究遺傳演算法的隨機攝動法,提高向前滾動優化效率;研究強度、穩定性的同步分析技術,保證施工過程強度、穩定性安全。The effects of heterogeneous anisotropic random fractured rocks with different autocorrelation length and different autocorrelation function were discussed. the results show that : l ) the scattering effects become weaker when the autocorrelation length becomes larger. 2 ) the exponential ellipsoidal random fractured rock has different scattering effects on waves in different coordinates direction, and 3 ). the gaussian random fractured rocks has the same
通過模擬發現: 1 )隨著自相關長度的增加,巖石的非均勻性對波的散射作用減弱; 2 )指數橢圓型隨機裂縫巖石對彈性波在兩個坐標方向上造成的散射不同; 3 ) gaussian型隨機裂縫巖石對彈性波在兩個坐標方向上有相同散射作用。分享友人