航向標 的英文怎麼說
中文拼音 [hángxiàngbiāo]
航向標
英文
course marks-
For some time the german bombers had navigated largely by radio beacons.
有一個時期,德國轟炸機主要是靠無線電定向信標來導航的。To oversee all the details yourself in person ; to be at once pilot and captain, and owner and underwriter ; to buy and sell and keep the accounts ; to read every letter received, and write or read every letter sent ; to superintend the discharge of imports night and day ; to be upon many parts of the coast almost at the same time ? often the richest freight will be discharged upon a jersey shore ; ? to be your own telegraph, unweariedly sweeping the horizon, speaking all passing vessels bound coastwise ; to keep up a steady despatch of commodities, for the supply of such a distant and exorbitant market ; to keep yourself informed of the state of the markets, prospects of war and peace everywhere, and anticipate the tendencies of trade and civilization ? taking advantage of the results of all exploring expeditions, using new passages and all improvements in navigation ; ? charts to be studied, the position of reefs and new lights and buoys to be ascertained, and ever, and ever, the logarithmic tables to be corrected, for by the error of some calculator the vessel often splits upon a rock that should have reached a friendly pier ? there is the untold fate of la prouse ; ? universal science to be kept pace with, studying the lives of all great discoverers and navigators, great adventurers and merchants, from hanno and the phoenicians down to our day ; in fine, account of stock to be taken from time to time, to know how you stand
親自照顧一切大小事務;兼任領航員與船長,業主與保險商;買進賣出又記賬;收到的信件每封都讀過,發出的信件每封都親自撰寫或審閱;日夜監督進口貨的卸落;幾乎在海岸上的許多地方,你都同時出現了似的; ? ?那裝貨最多的船總是在澤西岸上卸落的; ? ?自己還兼電報員,不知疲倦地發通訊到遠方去,和所有馳向海岸的船隻聯絡;穩當地售出貨物,供給遠方的一個無饜足的市場,既要熟悉行情,你還要明了各處的戰爭與和平的情況,預測貿易和文明的趨向; ? ?利用所有探險的成果,走最新的航道,利用一切航海技術上的進步; ? ?再要研究海圖,確定珊瑚礁和新的燈塔、浮標的位置,而航海圖表是永遠地改而又改,因為著計算上有了一點錯誤,船隻會沖撞在一塊巖石上而至於粉碎的,不然它早該到達了一個友好的碼頭了? ? ,此外,還有拉?貝魯斯的未知的命運; ? ?還得步步跟上字宙科學,要研究一切偉大的發現者、航海家、探險家和商人,從迦探險家飯能和腓尼基人直到現在所有這些人的一生,最後,時刻要記錄棧房中的貨物,你才知道自己處于什麼位置上。Ndb aeronautical radio navigation aids. part 4 : technical requirements for non - directional radio beacon
航空無線電導航設備.第4部分:無方向性信標The relation is given by the target strength and waveform mutational with dividual angle and incident angle. the experiment on the intelligent underwater sail in a water tank is tested, the valuable laws of multistatic target distribution characteristic are obtained
完成了非入射方向模擬目標智能航行器聲散射特性的水池實驗,給出了目標回波的強度和波形隨聲波入射角和分置角的變化關系。The dial index will rotate in azimuth, giving an incorrect heading reading.
讀數示標會繞方位軸轉動,給出不正確的航向讀數。General specification for instrument landing system localizer
儀表著陸系統ils航向信標通用規范Performance requirements and test methods for ils localizer
航向信標性能要求和測試方法Performance requirements and test methods for ils localizer receiver
航向信標接收機性能要求和測試方法Airborne gravimetry which is discussed in this paper denote scalar airborne gravimetry only. in order to estimate the accuracy of airborne gravity measurements, the tracks of an airborne gravity survery are generally planed to join each other
依據測量值的類型不同,它可以分為航空標量重力測量和航空矢量重力測量兩類,前者用以測定重力加速度的大小,後者不僅測定重力的大小,而且同時測定重力的方向。Based on the firsthand observation information obtained from air observation, this paper gived a second extrapolation to aircraft possible flight path and made checks on targets relativity by the method of utility function overall evaluation, accomplished the data fusion of targets information, and resolved the problem of relating of air observation information fusion and flight path extrapolation
摘要在得到對空觀察哨直接觀測信息的基礎上,對目標可能航向進行二次外推,並利用效用函數綜合評估法對目標相關性進行檢驗,完成對目標信息的融合,解決了觀察哨情報數據關聯和航跡外推問題。Disregard, target has changed course
不要在意,目標已改變航向。What the article discusses is to design a computer plotting system to solve the problems how to promptly and precisely study out the above mentioned location and plotting problems. considering the affects of all kinds of factors and leaving enough room, to scan the safety course in all directions, make forecast about the relative position of the ship and typhoon, the tendency of their movements, render a vital group of data and a direct diagram which the captain cares about, help the users to make the scientific and resonable decisions, to take correct and effective measures to keep away from and withstand typhoon early and resolutely, for all the practical problems in decision - making to keep away from typhoon
本文所討論的就是為迅速和較為精確地解決以上點繪和相對運動標繪的問題,在考慮了各種因素的影響並留有充分餘地的情況下,在全方位范圍內搜索安全航向,對本船與臺風的相對位置以及兩者之間的動態發展態勢作出預報,並給出船長最關心的、對其作出避臺決策至關重要的一組數據和直觀圖形,幫助使用者及早制訂科學合理的避抗預案,及時果斷地採取正確有效的避抗措施,解決避臺決策的實際問題而設計的一個計算機標繪系統。To move higher in the tag hierarchy, click the left arrow button in the navigator
若要向標記層次結構中的更高位置移動,請單擊該導航器中的左箭頭按鈕。To scroll higher in the tag hierarchy, click the left arrow button in the navigator
若要向標記層次結構中的更高位置滾動,請單擊該導航器中的左箭頭按鈕。The traditional solution to the problem is to plot the forecast position of typhoon center and the ship ' s position on the < < typhoon position diagram > >, to pay much attention to the relative position between the ship and typhoon, and the tendency of their movements, to consider the affects of all kinds of factors and leave enough room, to use the plotting method of geometric relative motion to figure out the course which the ship should take to keep away from typhoon on the small scale chart
傳統的解決辦法是,將臺風中心的預報位置和本船的船位點繪在《臺風位置標示圖》上,研究本船與臺風的相對位置以及相互間動態的發展態勢,考慮各種因素的影響並留有充分餘地,在小比例尺海圖上用幾何相對運動標繪的方法作圖繪算出本船應採取的避臺航向。With the development of radar technic, arpa ( automatic radar plotting aids ) can display directly the course and speed of target ship and get the dcpa and the tcpa of the ship, so it is applied widely
隨著雷達技術的發展, arpa ( automaticradarplottingaids自動雷達標繪儀)由於可以直接顯示目標船的航向、航速,同時可以直接得到目標船的dcpa和tcpa ,因而得到了廣泛的應用。However, since the " line of sight " to the target is in motion, the missiles must develop a continuous lateral acceleration to stay on the beam
然而,由於目標瞄準線處于運動之中,所以導彈必須具有連續的橫向加速度才能保持正確的航向。We can n ' t get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision. the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu. the main production is below : first, we calculate how to chang course and speed on the destine point by mcu. we get the new course and new speed on the destine point, we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential : dcpa, tcpa, distance, azimuth, real speed and real course
本論文針對當前雷達模擬器標繪訓練中的不足,實現了利用單片機進行雷達模擬器標繪標準值的計算,主要成果有以下方面:首先,利用單片機計算得到了在預定點改變航向和改變航速的計算,求得預定點改向的新航向c _ n和預定點變速的新速度v _ n ,恢復原航向和原航速的時機點的計算;在給定避碰的新航向、航速的條件下,計算出恢復原航向航速的時機點h的距離r _ h和方位_ h ;目標船的六要素,即dcpa 、 tcpa 、距離r ( t ) 、方位( t ) 、真航速v _ t和真航向c _ t 。The measuring precision of lateral and heading displacement is similar to the level reached in the same kind of international researches, with the standard error of 3cm and 0. 62 degree respectively
橫向偏差和航向偏差的視覺測量精度與目前國際上同類研究的水平相當,標準差分別為3cm和0 . 62deg 。In hydrographic sweeping survey, considering that the surveyed route in design project description is a longer route which is composed of to geodetic coordinates, methods of mercator projection, utm ( universal transverse mercator ) projection and gauss - kruger projection were adopted to eliminate the direction deviation of sweeping survey, and conform to the conventional ay of sweeping survey as well
摘要在海道掃測工作中,考慮到設計任務書中的掃測航路是由兩點大地坐標組成的較長路線,利用墨卡托投影和utm投影及高斯克呂格投影方式既能消除掃測航向的偏差,又能符合常規掃測方法。分享友人