檢波點距 的英文怎麼說

中文拼音 [jiǎnbōdiǎnjù]
檢波點距 英文
geophone interval
  • 檢 : Ⅰ動詞1 （查） check up; inspect; examine 2 （約束; 檢點） restrain oneself; be careful in one s c...
  • 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...
  • 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「、」）...
  • 距 : 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...
  1. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  2. In the paper, it is discussed to the winding of hydrophone array, the deviation and depth difference between focus and hydrophone array, and the deviation of time - distance curve, and presents a way to solve the problems

    本文針對排列彎曲、炮點偏移距大小、炮點與檢波器不在同一深度以及時距曲線偏移等問題進行了討論，並提出了校正和解決的方法。
  3. This design has distinctive technical features as follows : 1. applied multi - sensor construction. well - calculated distance and crossing angles between sensors aiming at a same target makes it possible to acquire more accurate back waves than single sensor construction

    採用多探頭結構，多個探頭之間相互之間有一定距離和交織發射角度，對準同一個被測物體的反射面，可使檢測范圍內的每一個固定點上反射面的可測方位個數較單探頭有所增加，可大大降低回波漏檢率； 2
  4. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    地面動目標檢測的最大難點： 1 ）雷達下視時地雜波特別強; 2 ）由於平臺運動，地雜波存在著空時耦合，雜波譜展寬； 3 ）為避免距離模糊，採用較低的重復頻率，但會存在多普勒模糊，地雜波譜擴散到整個多普勒域。
  5. At the same time, the fully using of digital map helped to scientifically set the location of shots and detectors, and the quality control was carried on in the distribution promptly to check up the cover frequencies of underground bin, azimuth and offsets to make sure the completeness of seismic data in city area ( burg, j. b, 1964 ; brown, a. r, 1992 ; sherff. w. c, 1990 )

    同時，充分利用數字地圖，科學地布設炮點和檢波點，並及時地對城區內地下面元的覆蓋次數、方位角和炮檢距的分佈進行質量監控，確保城區內地震資料的完整性（ burg ， j b ， 1964 ； brown ， a r ， 1992 ； sherff
  6. A generalized high order screen extrapolator of double square root ( dsr ) equation is derived from the non - stationary phase shift formula of wavefield continuation, thus a new prestack depth migration method in the cmp - offset domain is proposed

    在波場延拓方面，從非穩態相移公式出發，推導出廣義高階屏雙平方根波場延拓公式，從而得出了一種新的共中心點-炮檢距域疊前深度偏移方法。
  7. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。
  8. Ultrasonic distance measurement belongs to the category of uncontact measurement. in the condition it has advantage which contact measure does n ' t has contrasting with uncontact measurement. ultrasonic measure is not influenced by rays of light in the range, and has simple struture, and cost cheaply cotrasting to other uncontract measurement such as laser measurement, rared ray easurement, radio measurement

    超聲波測距屬于非接觸檢測的范疇，它在許多場合有接觸測量不可比擬的優越性，同時與激光、紅外、無線電等其它非接觸性檢測相比，超聲檢測在一定距離范圍內不受光線影響、結構簡單、成本低等特點。
  9. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷波勘探的原理和f - k域分析法的計算過程，分析了各參數對瑞雷波相速度計算的影響，通過實驗數據分析了影響瑞雷波勘探的主要因素，就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  10. An alternative to traditional pipe detection method is to excite stress waves, which can propagate along the pipe, and to monitor the response of the pipe for changes in the received signal at some remote positioa an ultrasonic inspection technique using guided waves was applied to detect and determine the exact location of flaws in long steel pipes

    而傳統無損超聲檢測技術是單點檢測，因而，在檢測長距離管道時，這種方法遇到很大困難。而利用縱向超聲導波檢測管道缺陷，激勵導波沿管道傳播，通過監測管道回波的變化，達到一次檢測數十米的管道範圍，並且是全范圍檢測。
  11. With the advantages such as simple structure, small volume, ease to make, high cost - performance and remote analysis, optical fiber biosensors have been widely applied in clinical diagnostic, environmental protection and food service industry

    光纖倏逝波生物傳感器具有結構簡單、體積小、製作方便、性價比高和可遠距離分析等優點，在臨床醫學、環境監測以及食品工業得到了廣泛應用，在軍事醫學、生物戰劑檢測等軍事領域也表現出了極高的應用價值，受到了高度重視。
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