航線測量 的英文怎麼說
中文拼音 [hángxiàncèliáng]
航線測量
英文
aerial strip survey- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 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...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 航線 : air line; air route; route; airway; shipping line; way; itinerary; azimuth; pathway; trajectory; ...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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That will help the freight agent personnel have a more explicit understanding of the shipping market
同時為了幫助業務人員掌握未來市場行情,本文也對集裝箱在各航線上的運量作以預測。With the rapid development of spationautics and remote sensing technology, a plenty of satellite images with high precision are produced, among which the linear array ccd image has satisfied the requirement of photogrammetry
航天遙感技術的迅猛發展,產生了大量高精度的遙感衛星影像,特別是線陣ccd影像在理論和技術上都已達到了攝影測量要求的水平。2. according to the characteristic of airborne gravity survey, several statistic variables are derived from theory of probability and mathematical statistics combined with knowledge of errors principles. these statistic variables are applie to the significance test of systematic errors in every surveying line
2 、根據概率論和數理統計的理論與方法及誤差理論,結合航空重力測量的特點,建立了有關檢驗統計量,並將其應用於航空重力測量測線系統誤差的顯著性檢驗。Gps receivers belong to the user equipment, mainly used to receive satellite signals and telegraphese, measure the distance from receiver to the satellites by the wireless signals, compute the position and speed of satellites by telegraphese, then compute the position and speed of user
Gps衛星接收機屬于衛星導航定位系統中的用戶設備,主要用於接收衛星信號和電文,由無線電信號測定用戶至衛星的距離,或多普勒頻移等觀測量;根據導航電文,計算觀測衛星的位置和速度,根據觀測量和衛星的位置、速度,解算出用戶的位置和速度。Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。The short strip aerial triangulation of three line array ccd imagery
影像短航線空中三角測量的模擬實驗研究In order to utilize the magnetic anomaly information obtained by high - precision aeromagnetic survey more effectively, this paper, based on the reliable proof of the existence of weak magnetic anomalies in middle and high mountain areas and combined with characteristics of middle and high mountain areas, has advanced an improved nonlinear filtering method and described its effect in practical application
為了更有效地利用高精度航空磁法測量得到的磁異常信息,在充分論證中高山區弱磁異常存在的可靠性基礎上,結合中高山地區特點,提出了改進的非線性濾波方法,並給出其實際應用效果。Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized
航空重力測量測線網平差就是在分析、總結航空重力測量的主要誤差源基礎上,研究建立反映航空重力觀測系統誤差變化規律的誤差模型,根據交叉點不符值條件,平差求解各測線上重力觀測值系統誤差改正數,然後對各測線上所有重力觀測值進行改正(補償) 。Two practical applications prove their efficiency. 3. using knowledge of adjustment with additional systematic parameters, based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors and with which three kinds of new crossover adjustment models are presented
3 、根據附加系統參數平差的理論,在分析、總結航空重力測量的主要誤差源基礎上,研究建立了反映航空重力測量系統誤差變化規律的誤差模型,並根據三種不同的情況建立了相應的測線網平差模型。Secondly, based on the existing international technologic analysis, two different measurement schemes are proposed. one navigation scheme uses pixels as measurements vector, and the other one uses line of sight ( los ) of object celestial body and angles from probe to object body as the measurements vector
其次,通過對國際上現有技術的分析,給出兩種不同的導航觀測方案:一是利用圖像作為觀測量的自主導航;二是利用視線方向及夾角作為觀測量的自主導航。On basis of this, the article has analysed and forecast the demand of china ' s timber import, by adopting the method which combined quantitative forecast and qualitative forecast and provided my advice on development of timber import transportation routes. the article has taken papua new guinea - zhang jia gang trading line as an example, had a deep study of the method of technology and economy demonstration of timber carriers
通過對市場的科學分析與預測,確定最優船型方案,以獲取最大經濟收益,是擺在航運企業面前的重大課題本文分析了國際和國內木材市場的現狀,採取定性與定量相結合的方法對未來我國原木進口需求進行了分析和預測,提出了原木進口航線發展策略In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast
本文選用移動擬合法建立航道曲面函數,插值計算航道測量區網格點的深度值,並且根據航道測量點分佈的不規則性進行了優化,即在測量點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算,兩種插值方法的合理結合,不僅保證了插值的精度,特別是提高了插值的計算速度。The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode
針對配置了典型測量敏感器的深空探測器,基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形,給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形,給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。This paper firstly analyzed the character and setting forth of international dry and bulk cargo market, then according to the variety of cargo analyzed the transport volume on different routs. on the basis of them forecasting the transport volume of international bulk cargo, trying to find the the orderliness of international dry and bulk cargos market ; the following part study the scale and configuration of international dry and bulk fleet, and analyzed the actuality of cosbulk compare with it
本文首先分析了國際干散貨航運市場的基本特徵和基本規律,並進一步根據不同的貨種、貨類分析了不同航線上運量狀況;並在此基礎上,對未來幾年的國際干散貨運量進行了預測,力圖尋找干散貨航運市場的發展趨勢;接著又研究了國際干散貨船隊的規模、結構等特徵,並將中散船隊現狀與之進行對照分析。Based on the statistic materials of ports and shipping lines and the advice of specialists, this article analyzed the development course and status of passenger ocean transport on china - korea course, generalized the current problems. taking the port of weihai, qingdao and renchuan for example, using time series method, the author forecasted the volume of passenger on china - korea course in the next 10 years, analyzed the supply capacity and structure of passenger transport fleet, studied the constitute of the fleet, and made balance program for the passenger transport capacity on china - korea course, put forward tariff policy and competition mode of shipping companies
本文在調查收集港航各方面的統計資料,聽取有關專家的意見的基礎上,分析了中韓航線海上客運的發展歷程和現狀,總結了現在存在的問題;運用時間序列預測法,選取威海、青島和仁川為例,對山東半島至韓國間的客滾運輸航線的客、貨運輸進行了今後10年該航線的客流量預測;分析了客運船隊運力供給及其結構,研究了當前船隊構成存在的問題,作出了中韓航線客運運力的平衡規劃;提出航運公司的運價策略,運輸競爭模式。The brushless dc current motors can be widely applied to electronical printing, aerospace, navigation, aviation, radio communication, test, measurement and mining, etc.
因而,在電子印刷、宇宙航行、航海、無線電通信、檢測、測量、采礦及化工等特殊場合中得到廣泛的應用。Radio equipment and systems. narrow - band direct printing telegraph equipment for receiving meteorological or navigational information navtex. technical characteristics and methods of measurement
無線電設備和系統.接收氣象和航海信息用窄頻帶直接列印電信設備.技術特性和測量方法Technical specifications for aerial photographing and surveying of overhead transmission line
架空送電線路航空攝影測量技術規程The network adjustment is one of key techniques for airborne gravimetry, it is also an important component in this paper
航空重力測量測線網平差是航空重力測量的關鍵技術之一,這也是本文的主要內容。Consequently, the paper investigates the following aspects about the network adjustment theory and practice for airborne gravimetry, m oreover, some questions correlated with solving the adjustment problem are discussed in detail. 1. based on actualities of airborne gravimetry, two practical methods of searching crossovers are proposed, i
為此,本文從以下幾個方面對航空重力測量測線網平差的理論與方法及相關內容進行研究,並得出若干初步結論: 1 、結合航空重力測量的實際情況,提出了兩種實用的交叉點搜索方法,即跳躍搜索法和圖形輔助搜索法。分享友人