最大作用距離 的英文怎麼說

中文拼音 [zuìzuòyòng]
最大作用距離 英文
maximum usable range
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
  1. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度小值出發,在詳細分析目標、天空背景的光譜輻射特性、氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上,推導了炸點測量系統對爆炸的飛行彈體的方程,分析了影響的諸因素。
  2. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長機動車交通流徑期望線的分佈、城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究,得出快速路系統線網構架,運重要度法、層次分析法找出城市重要功能組團中重要程度高的一個或數個關鍵交叉口為快速路系統線網規劃的控制點,考慮快速路線路走向的控制點對線路走向進行優化。
  3. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方式一致,可以近似看一個目標,採小墑準則對平動相位的進行補償,但是多數並不滿足剛體近似的編隊目標,由於目標在相干積累時間的多普勒頻率近似呈線性變化,通過對較短數據利relax的時頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間,所以利radnwigner變換得到瞬時的一維橫向提高了對編隊目標的分辨,對模擬和實測數據的量分析結果表明此方法的有效性和可行。
  4. The centre of the dark sector soliton evolution equation is derived by means of particle analytical method, equivalent form dark soliton ' s evolution equation in the photorefractive crystal, esceptialy between tow dark soliton ; the potential expression and it ' s numerically calculation is achieved, the conclusion is drawn : when the distance between two dark soliton = 0, its potential function has minimum, shows there is an stead soliton in the photorefractive maternal, and interaction between two dark soliton raches biggest ; when the distance between two dark soliton 5, its potential function is nearly equal zero, shows that the interaction between two lark soliton is very weak, nearly zero

    摘要本文從光折變晶體中能得出暗孤子所滿足的演化方程出發,粒子分析力法得出了兩暗孤子相互時,其質心間的所滿足的演化方程,並得出了兩暗孤子相互勢函數的表達式,得到其數值解,並得出如下結論:當兩暗孤子間= 0時,其相互勢函數有小值,表示在光折變晶體中有穩定的暗孤子對,並且相互達到;當兩暗孤子5時,其相互勢函數幾乎為零,表示兩暗孤子間相互很弱,幾乎為零。
  5. Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences

    不同的統計學分析方法,簡約法( maximumparsimonymethod ) 、似然法( maximumlikelihoodmethod )和遺傳法( geneticdistancemethod ) ,得到了物種系統發育進化樹,但拓撲結構並不完全一致,這是可能是因為分子系統學研究與採的分析方法和所選基因的保守程度即為分子標記的可信度密切相關。
  6. The results are as follows : the target and background irradiance snr on the detector ' s are greater than the minimum snr on a 40 - kilometer distance ; the target irradiance on the detector ' s target plane can comply with the minimum irradiance that is not beyond the capability of the detector ; the system effect range from the experiment data can satisfy this index

    結果表明40km處,目標與背景在光電探測器上的輻照度信噪比於可探測小信噪比;目標在探測器靶面上的輻照度滿足探測器所能探測到的輻照度小值;實驗數據上推導出系統的能達到這一指標。
  7. At the beginning of 60 years, laser radar whose primary function is to measure distance appeared. developping for nearly half century, laser rader have been widely applied in many areas, especially in military application because of its particular merits such as high angle - solution, high - speed - solution, high - ditance - solution, nice - anti - jamming ability and good consealment. recently, in iraq war, the precision control and guide weapons depend on laser radar techniques embodied their powerful abilities. the laser radar technique is a very important part in u s military system

    歷經半個多世紀以來,激光雷達以其高角解析度,高速度解析度,高解析度,強抗干擾能力,好的隱蔽性,以及出色的全天候工能力在很多技術領域尤其是軍事領域中得到廣泛的應近的伊拉克戰爭中,以激光雷達為依託的精確制導武器顯示出了其強戰能力,激光雷達技術在美軍戰系統中扮演著重要的角色。
  8. In these methods, relativity degree solution is the method in which an ideal solution is established, the relativity degrees of evaluated solutions and the ideal solution are compared and orders are marshaled at last. affiliation degree solution is the solution in which ideal solution and ill - ideal solution are established, affiliate degrees between evaluated solutions and ideal solution are resolved by establishing a goal function and then orders of all solutions are marshaled according to measurements of affiliation degrees. gross profit solution is the solution in which both ideal solution and ill - ideal solution are considered, the differences between evaluated solutions and them a re measured according to n - dimension euclidean distance, and then gross profits are calculated

    其中關聯度法是首先確立一個理想方案,然後比較待評估方案與理想方案的關聯度,後根據其小對各待評估方案進行排序;優屬度法是首先確立理想方案和負理想方案,然後把各待評方案與理想方案和負理想方案的優屬度為權建立一個目標函數,進而求出各待評方案與理想方案的優屬度,後根據優屬度的小對各方案進行排序;總效法的思想是同武漢理工學碩士學位論文時考慮理想解與負理想解二者為參照基準,並採n維歐幾里德來度量任意可行解(被評估方案)與理想方案及負理想方案之間的差異,然後指導兩個差異結合在一起計算被評估方案的總效,評估的原則是總效越好;嫡本是物理學中的概念,在信息理論中被借為度量權重的一種方法,但也可來評估各方案的優劣,其評估原則是嫡值越越好。
  9. Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth

    此外,應spss軟體對試驗破壞滑弧的幾何參數進行統計分析,並對滑弧的水平深入d及d處至坑底的高度h _ 0結合各水理指標進行多元線性回歸,建立滑面的判據,並對此判據進行修正,且實際工程對其進行評價,通過反算已知滑面的c 、值,表明邊界條件對破壞形式有極的干擾,所直接看到的破壞類型土體不是發生整體滑移破壞,而是剝落式的潰屈破壞。
  10. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電力方面出現規模應的時間我們還非常遙遠.然而,隨著近幾年來實高溫超導材料的研製取得重的進展,高溫超導電力技術的應已經成為現實,預期將在2010年左右出現規模的應,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工原理及研究發展歷史,並著重介紹高溫超導電力應研究的現狀、應前景、經濟可行性及基本物理問題
  11. As a result of the plastic optical fiber itself characteristic, the pof is used as the transmission material in short distance communication, has demonstrated the huge superiority in the recent years, thereupon the plastic optical fibre access network is an important developing direction of optical access network of future. the second chapter first to make the comparison among the copper wire, the silica fiber and the plastic optical fiber, pointed out the plastic optical fiber is better in the short distance communication, then introduced the development course of pof in the communication filed, finally proposed the plan scheme of the plastic optic fibre access network of a kind of building

    塑料光纖本身的特點使得其為短通信傳輸媒質在近些年內已展示出巨的優勢,於是塑料光纖接入網是未來光接入網一個重要的發展方向。本論文第二章首先對主要的接入網媒質銅線、石英光纖和塑料光纖進行比較,指出塑料光纖在短通信方面的優勢,接著介紹了塑料光纖在通信方面的發展歷程,後提出了一種樓宇塑料光纖接入網的計劃方案。
  12. Radar emits wide pulse to ensure the distance, and gets narrow pulse by using corresponding pulse compression method when receiving. this is pulse compression

    脈沖壓縮是指雷達通過發射寬脈沖,保證足夠的最大作用距離,而接收時,採相應的脈沖壓縮法獲得窄脈沖以提高解析度的過程。
  13. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定的點近似逼近的固定模式,創造了利於交互操,能有效地減少計算量及數據存儲量的新方法,可在數控加工、浙江學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應( 3 ) nurbs曲線曲面降階應nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論,以實現nurbs曲線顯式一次性降多階的近似佳逼近為目標進行了研究
  14. It is presented that the gas - gushing volume is well consistent to where it is affected by fault through comparing the gas - gushing volume of affected zones to that of normal zones

    研究表明,斷層區與煤層瓦斯高湧出量具一致性;斷層落差與瓦斯湧出區至斷層點的具極好的相關性;瓦斯異常湧出范圍與斷層落差之間也呈現良好的線性關系。
  15. Energy distribution involves many radar ' s parameters, such as peak power of transmitter, maximum pulse width, antenna gain, rotating speed of antenna, beam width, covering range of elevation, maximum height and range and so on

    能量分配牽涉到雷達系統的各種重要參數如發射機峰值功率、發射脈寬、天線增益、天線轉速、波束寬度、仰角覆蓋范圍、高度覆蓋、最大作用距離等。
  16. Considering that : ( 1 ) radar can achieve its basic application of collision avoidance and warning with the only function of ranging ; ( 2 ) under high speed conditions, radar should have lager effective range than that under slow speed, we designed a new easily realizable automotive anticollision radar, which employs centimeter wave and square pulse amplitude modulation

    考慮到: ( 1 )核心的測功能實現以後,雷達已經能夠完成基本的防撞預警; ( 2 )在汽車高速運行的情況下,防撞雷達的小可測范圍和最大作用距離應比低速狀態下。本文採了技術成熟,易於工程實現的厘米波脈沖雷達,以單波束輻射的方式測
  17. When this precessional wobble brings the northern continents nearest the sun during the summertime, the atmosphere gets a notable boost of methane from its primary natural source ? the decomposition of plant matter in wetlands

    當歲差的晃動讓北半球陸地在夏季與太陽近時,氣中的甲烷會明顯上升;而自然界中甲烷的主要來自於濕地植物的分解
  18. The far - distance targets can be detected with the aid of the satellite image and the ample respond time of the defensive system can be provided ; the cryptic cruise missile and anti - radiation cruise missile can be effectively detected and tracked recur to the infrared image. radar is widely used in the cruise missile defensive system. the radar in the sky can detect the further flying cruise missile, ground based radar and coastal defense radar can track and help weapons system aim at the oncoming force cruise missile

    在目前情況下,衛星圖像、紅外圖像以及雷達成像在探測、跟蹤、識別、打擊巡航導彈目標方面具有相當的優勢,藉助于衛星圖像可以在遠發現目標,能夠為防禦系統提供比較充足的響應時間;藉助于紅外圖像可以有效對付隱身巡航導彈和反輻射巡航導彈;雷達是在巡航導彈防禦系統中使多的設備,空基雷達能夠探測防區比較遠的巡航導彈,陸基雷達和海基雷達能夠跟蹤巡航導彈,並可協助武器系統瞄準來襲巡航導彈,尤其是雷達陣在巡航導彈防禦中更是可以發揮重要
  19. With white background, the acquired images were studied. the distance was max between two - peak value in b gray level histogram. a set of computer vision hardware system which is use for bruise evaluation and classification of tomato was set up

    通過量的實驗研究,選擇環形燈為光源,選擇白色為背景組成光照箱,可以得到有利於后續處理的圖像;並發現在b分量上,兩峰間的,所以b分量確定闡值t ;建立一套適合番茄等農產品進行表面缺陷自動檢測與分類的計算機視覺硬體系統。
  20. 4. by using the expression for computing the output pulse ' s rms time width in an optical fiber link with up to fourth - order dispersion ( fod ), we present an expression of maximum fiber - link length, at which the output pulses can return to its original rms time width, in an optical fiber link with up to fourth - order dispersion

    包含四階色散的輸出均方根脈寬的表達式,獲得了線性超高速光時分復系統在源啁啾和殘餘二階色散的下的佳傳輸參量。在該佳參量下,可獲得均方根脈寬恢復初始值的傳輸
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