航速計 的英文怎麼說
中文拼音 [hángsùjì]
航速計
英文
airspeed indicator-
Accelerometer is the main inertia measurement device of inertia measure - ment and navigation system, it ’ s mainly used to measure the acceleration of carrier, and we can get the velocity and displacement of carrier from acceleration, so it ’ s wildly used in spaceflight, avigation, navigation and other fields, the capabilities of accelerometer are of the key function in the whole system
加速度計是慣性測量和導航系統的主要慣性元件之一，主要用於測量運載體的加速度值，而通過加速度又可以得到運載體的速度和位移，所以被廣泛應用於航天、航空和航海等領域，其性能的好壞在整個系統中起著關鍵性的作用。Some flight course switch rules are researched. uav ’ s launch stability and flight course precision are influenced by wind. through the research of flight control, some way are found to lower the wind influence
研究了風速對無人機的發射穩定性影響，通過風速對無人機導航控制影響的分析，提出了減小側風影響的控制策略，並推出一種計算平均水平風速的方法。Since its foundation, this institute has completed 3800 or more projects of exploration and design of which projects of priority are fengpu, lupu bridges, i, ii, iii stages of comprehensive sewage treatment, inner, middle, outer ring roadways, yan an dong lu viaduct ( east and middle sections ), main entrance roadway and graded crossing in pudong international airport, first and second stages of humin viaduct, expressways ( hujia, huqingping, hulu, jialiu, xinfengjin ) and chongming cross river projects, r3 and m7 light rail projects both situated in city proper or suburban area
自創建以來，完成了各類工程勘察設計項目3800餘項，其中已完成或正在進行的項目有：上海市奉浦大橋、盧浦大橋、污水治理一二三期工程、 （內、中、外）環線道路、延安高架道路（東、中、西段） 、浦東國際機場航站區主進場道路及航站區立交、滬閔高架道路一、二期、 （滬嘉、滬青平、滬蘆、嘉瀏、莘奉金等）高速公路、崇明越江通道、軌道交通r3線、 m7線等工程。Calculation and spectra analysis of horizontal acceleration corrections for airborne gravimetry
航空重力測量中水平加速度改正的計算與頻域分析For this reason, the following problems are researched emphatically : firstly, the long - term prediction method for calculating the extreme values of slamming pressure is founded. the effects of sea conditions, ship speeds, traveling directions, loading conditions on the results of long - term prediction are studied. on this basis, the computing process is simplified rationally, so as to this method can be used in practical engineering computations
為此，本文主要在下面幾個方面進行了探索：首先，建立了底板砰擊極值壓力的長期預報方法，通過分析海況、航速、航向角、裝載狀態等不同的影響，合理簡化了長期預報的計算過程。A calculating method of ship ' s actual speed
一種艦船實際航速的計算方法First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail
對于需求預測，著重考慮對原始數據的擬合精度，經過模型比較優選論證，分別採用了灰色一階模型，改進的灰色二階、自適應過濾預測的加權組合模型，得到了相當高的擬合精度；對于供給預測，運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的相互關系進行動態模擬，定量的反映出各變量之間的因果關系；對于運價預測，嘗試引入市場綜合因數概念，化繁為簡，通過描述運價與運力供給、載重噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。It has been an important component of communication, radar, instrument, high - speed computer and navigation equipment. fractional - n phase locked loop ( fnpll ) frequency synthesis has been appeared in recent years
頻率合成器是一種相位鎖定裝置，是通訊、雷達、儀器儀表、高速計算機和導航設備中的一個重要組成部分。They have been widely used in optical - fiber communication, satellite communication, super high speed computer, high speed measurement instrument, mobile communication, etc. since gaas is compound semiconductor, it is difficult to achieve high quality gaas crystal
Gaas器件與電路具有速度高、功耗低、噪聲小、耐高溫、抗輻射等優點，在光纖通信、衛星、超高速計算機、高速測試儀器、移動通信和航空航天等領域中有著重要的應用。Because the designing fin and oar and the experiment fin and oar pro rata, so we can use the coefficients to calculate our designing fin and oar " s rising force. secondly, constituted the control system of pushing fin, and studied its control scheme. lastly, used matlab to simulate our control system, and applied ga to optimize the parameters of pid controller ; from the simulation result we can see the pushing fin has the ability of reducing the ship shake in all speed
最後，對推力鰭減搖裝置控制系統用matlab語言進行模擬，並應用遺傳演算法理論，對推力鰭控制系統中的pid控制器參數進行優化，並將模擬效果與傳統的鰭的減搖模擬效果進行對比，從模擬效果上可以看出，推力鰭減搖裝置控制系統的減搖效果在低航速下優于傳統的鰭的減搖效果，而且在中、高航速下推力鰭的減搖效果也能達到傳統鰭的減搖效果，打到了設計的目的。The calculated results indicate that maneuvering efficiency of the bow lateral thruster is related to velocity and thruster ' s rotate speed directly, it is the best at zero velocity, and maneuvering efficiency of the bow lateral thruster increase with increasing thruster ' s rotate speed ; the calculated results also indicate that crabbing motion can be operated for large vessels under the main thruster, the bow lateral thruster and the rudder ' s united control
計算結果表明側推器操縱效能與航速及槳轉速直接有關，零航速最好，且隨槳轉速增高而增強；結果同時也表明了藉助于主推進器、首側推器和舵的聯合操縱可實施純橫移運動。The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases
首先分析設計工況時渦輪機動力系統，在滿足魚雷動力系統的各項外部條件（如魚雷航深、航速等）和內部條件（如渦輪機功率、效率，燃燒室壓力、溫度，轉子機械強度等）的前提下，建立起設計工況渦輪發動機的數學模型，編程計算並確定渦輪機內部機械結構和燃氣熱力學狀態各參數。Based on the analysis and calculation of ship resistance, according to the main factors influencing the resistance, such as sailing speed, water depth and ship draft ratio, and coefficient of sectional form, the deepwater, shallow water and restricted channel are defined by the coefficient factor
摘要通過對船舶阻力的分析和計算，根據影響阻力的主要因素，航速、水深與船吃水比、斷面系數，由換算系數來界定深水、淺水與限制性航道。By means of the sea trial, it is verified that at full loading condition of 12. 5m draught, the vessel ' s speed attained to 15. 09 knots with the rotate speed of 100. 5rpm, at the condition of the sea margin of 15 % and rotate speed margin of 5 % at csr of main engine
Sin ） ，主機正常功率帶有15的海上裕度和5轉速裕度時，航速為15刀9節，轉速100 5pm ，與設計吻合。最後，本文進行了滬東型（ hd ）螺旋槳的系列研究。Applying the method studied in this thesis, theoretical calculation of certain container ship in regular wave has been done on ship motion and hydrodynamic pressure. it also has the results compared with those obtained under multipole conditions in the model tests. as a consequence, we abstract some characteristics of the distribution of instantaneous hydrodynamic pressure on ship wet surface, and the distribution changes with forward speed and wave parameters
利用本文方法對某集裝箱船進行了規則波中的船舶運動和水動壓力的理論計算，並與船模水池試驗所提供的多狀態的壓力分佈數據相比較，得出船體表面瞬時壓力的分佈及其隨航速和波浪參數變化的某些規律。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 。Firstly a mathematical swath in full scale is studied. the numerical results of total pressure, wall shear stress, corresponding viscous resistance coefficient at different velocity and so on are obtained. the computational viscous resistance coefficients are compared with the estimated ones using empirical formula and the results are found to be in good agreement
首先對一swath數學船型做了研究，得到不同航速下的物面總壓力、物面切應力分佈及相應的粘性阻力系數等結果，並將各航速下的粘性阻力計算結果和經驗公式估算結果做了比較，吻合得較好。This paper is the theoretical summary of the development around the dynamic positioning system by the writer, which includes several aspects of the studies as follows, 1. in allusion to the feature of zero - speed of the ship in positioning control process, the dynamic mathematics model of the ship ' s movement has been established, which fits to the dynamic positioning, and the mathematics model of the environment of sea and ocean which disturbs the ship in dynamic positioning, which has founded the base of further study
本文是作者以rov工作母船為背景，圍繞動力定位系統的開發工作所做的理論研究工作，主要包括以下幾個方面的研究工作： 1 ）針對處于定位控制的船舶工作在零航速附近的特點，建立了適合於船舶動力定位系統研究用的船舶低頻運動模型，為滿足控制器設計的需要，建立了船舶高頻運動模型和海洋環境作用模型，為以後的分析奠定了基礎。Upon purchase of two " hong kong dragon cruise " tickets at first travel box office in new wanchai temporary ferry pier expo drive east, wanchai, customers can get a free " hong kong dragon cruise " ticket of the same sailing, while stocks last
凡於新旅遊位於灣仔博覽道東新灣仔臨時渡輪碼頭（金紫荊廣場東側）的售票處購買兩張香港海龍遊船票，即可免費獲贈一張香港海龍遊船票（以同一航班計） ，數量有限，欲購從速。The program can compute the array shape and attitude on steady straight runs at different speeds, and solve unsteady motions ( for example loop turn motion ) and other motions
程序能夠計算不同航速定常直航狀態下列陣的陣形與姿態，可解決不定常運動（例如回轉運動） 、考慮海流等多種運動狀況的陣形預測。分享友人