測地線距離 的英文怎麼說
中文拼音 [cèdexiànjùlí]
測地線距離
英文
spherical distance- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 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...
- 離 : 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...
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Sufficient or not of the battery on the device should be carefully examined before every flying, so do the every pole, helm and gemel, whether or not is the receiving antenna drew out of the body and in straight, examine the ground effective distance for remote control without the drawing out the antenna, ensure it nomal in rang of 30 - 50 meters
1 .仔細檢查測試設備每次飛行前都應該仔細檢查設備電量是否充足,檢查飛機各個拉桿舵角鉸鏈是否正常,接收機天線是否拉出機身並拉直,在不拉出發射機天線的情況下測試地面有效遙控距離,確定30 - 50米內不發生跳舵情況。Based on theory and experiences, this paper has discussed how to choose assistant electrode distance, large - current power, measuring points, measuring lines, etc. in detail
結合理論和實踐經驗,著重討論了四極法輔助極距離、大電流電源、地網測量點、測量線的選擇等問題。The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting
地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段曲線擬合,計算出落速。In this thesis, three ionospheric scintillation monitors ( ism ) are installed in haikou, hainan province of the p. r. of china, which locations are separated about one hundred meters apart, the drift velocity of ionospheric irregularitie can be deduced by analyze the cross - correlation of scintillation signals at three monitors to determine the drift time between monitors
本文通過實驗的方法,在地面上相距百米左右的距離設置三臺電離層閃爍監測儀( ism ) ,通過分析三站衛星閃爍信號之間的相關性,分別得出不規則體在三站連線方向上的速度,然後再求出電離層不規則體的漂移速度。Compute geodesic distance between earth - this function computes the geodesic surface distance between two cordinates on the surface of the earth to an accuracy of about 50 meters
這個函數計算地面上兩個不同坐標之間的測地線距離,精度達到50米。The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming
本文首先從理論上分析了在高頻地波超視距雷達所用的線性調頻斷續波信號的形式,研究了fmcw雷達測距測速原理,並深入地探討了fmicw信號的基本處理方法以及具體的演算法,主要包括距離變換中採用的時間波門相關處理方法,速度多普勒變換,數字波束形成。With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones
通過建立速度跟蹤束流的數學模型,較好地解決了速度跟蹤束流的實時性問題;通過採取用電流模擬量控制變頻器和分段線性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測接近開關觸發的脈沖數,適時校核所有小車位置,消除各車之間距離計算誤差,從而很好地解決了距離累計計算誤差。We use rac ( radial alignment constraint ) of imaging process to decompose camera parameters. by organizing the solving sequence of the parameters rationally, we can obtain all parameters through solving systems of linear - 3 - abstract equations. accordingly we have changed the situation that ? he former camera calibration rac methods should depend on the non - linear optimization and has strict requirement to illumination, the situation that the calibrating distance is too short
演算法考慮到攝像機模型中的一階徑向畸變,巧妙地利用成像過程中的徑向約束( rac )分解攝像機參數,同時通過合理地組織參數的求解次序,使得經由求解線性方程組就可以得到全部的攝像機參數,從而改變了以往攝像機rac標定方法依賴于非線性優化,以及對光照條件要求嚴格和標定測定距離短的情況,使得rac方法較以往的演算法更為精確、快速、簡便,並且更加具有推廣價值。This function computes the geodesic surface distance between two cordinates on the surface of the earth to an accuracy of about 50 meters
這個函數計算地面上兩個不同坐標之間的測地線距離,精度達到50米。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。The angular distance north or south of the earth ' s equator, measured in degrees along a meridian, as on a map or globe
緯度地球赤道北或南的角距離,例如在地圖或地球儀上沿著子午線用度數測量Ate plays a more and more important role in the test and repair of aircraft avionics, and can considerably improve servicing quality and efficiency. our task is to develop a new type of ate used to test six kinds of aircraft avionics instruments located in the cockpit. it should be able to fulfill the test of all functions and performances of each instruments according to it ’ s component maintenance manual
本文研究一種新的航空儀表自動測試設備,能對六種分佈於駕艙內的指示型航空電子儀表?空速馬赫數指示器、電動氣壓高度表、無線電距離磁指示器、地平儀、姿態指示儀、水平位置指示儀進行檢測,完成維修手冊所規定的全部功能、性能方面的綜合測試。This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion
應用支持向量機,建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系,確立了支持向量機預測模型。Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances
結合採集到的大量爆破振動現場實測數據,並應用地震波的相關理論,分析了該地下工程開挖爆破的地面爆破振動特性及爆破振動對地面建(構)築物的影響;應用二元線性回歸分析法,通過matlab軟體計算得出該地下工程開挖爆破地震波的傳播衰減規律;分析結果表明,不同距離下的地面爆破地震波的衰減規律存在明顯的差異,近距離條件下爆破地震波的垂直方向分量衰減最慢,遠距離條件下垂直方向分量衰減最快,遠距離的爆破地震波的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震波衰減指數要大。In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理,在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位輪、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、距離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的基礎。2227 dual scintillation density instrument, which is a special - purpose instrument to measure ray strength a certain distance from the source, can help to get exact formation volume density
摘要2227補償密度測井儀是測量離源一定距離處的射線強度的專門儀器,能夠得到真實的地層體積密度。A lot of parameters related to the research of the interferometric phase difference are formulated and analyzed in detail. the factors that affect the correlation of insar system are discussed comprehensively. the effects caused by all kinds of decorrelation factors are analyzed
在對干涉相位的研究中,詳細推導了條紋波數、臨界基線、模糊高度、距離向最大可測坡度、頻移、平地相位等參數,並分析了這些參數的物理意義。Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters, such as distance, azimuth, angle of elevation, velocity, by transmitting radio wave. in national economy, it is used in navigation, weather forecast, geological mapping, military affairs and so on
雷達利用發射的無線電波探測空間中的物體並確定其距離、方位角、仰角、速度等各項參數,廣泛應用於導航、氣象預報、地質測繪、軍事等領域。This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying
將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中,通過運用這兩種理論對巖土參數特性的描述,得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合,得出描述空間相關程度的度量? ?相關距離(或變程) ,對用這幾種不同方法得出的相關距離(或變程)值進行了比較,並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際,對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計,預測結果比較令人滿意。The earth moving around the sun gives us a baseline for measurements of objects outside the solar system.
地球繞太陽公轉,為測量太陽系外的恆星距離提供了一條基線。分享友人