緯度誤差 的英文怎麼說
中文拼音 [wěidùwùchā]
緯度誤差
英文
latitude error- 緯 : 名詞1. (織物上橫向的紗或線) weft; woof 2. (緯度) latitude 3. (姓氏) a surname
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 緯度 : [地] latitude
- 誤差 : error
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During the evaluation method for the precision of missile aiming on the sea, setting up test structure system, confirming demand coordinate, putting up installation and calibration to test frame of missile silo, in the course of navigating, it was analyzed and calculated the direction error that brought by the incorrectness of the position of longitude and latitude
在海上瞄準精度鑒定方法中,建立了試驗構建體系,確定了必要的坐標系,對彈筒試驗支架進行了裝調、校正和實際標定。對艇在航行過程中,由於艇的經、緯度不準確而帶來的定位誤差的影響進行了分析與討論。Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications
本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。It will produce very big angular velocity, angular acceleration and angular jerk when tracking fast moving targets. this may lead bigger tracking error and fail to track targets
目標速度的提高將會產生大的角速度、角加速度乃至更大的角加加速度,導致光電經緯儀電視跟蹤動態誤差急劇增大,目標逸出視場,跟蹤失敗。The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed
同步衛星自主導航與軌道保持技術研究:分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量,分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of o - e theodolite
隨著被測目標運動速度和加速度的不斷提高,導致光電經緯儀電視跟蹤的動態誤差急劇增大。Second, the effect o f each individual error to the measuring accuracy of optical - electronic theodolite is analysis
其次討論了各項誤差對光電經緯儀測量精度的影響,並建立了求解各單項誤差的模型。The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity, latitude and longitude, yawing and attitude angle, position of track - reckoning etc
模擬結果表明,該組合導航系統可有效地減小速率、經度和緯度、航向角和姿態角及航跡推算下的位置等導航參數的累積誤差。The concept of acceleration delay compensation is put forward in this dissertation. by using acceleration delay compensation and tv tracker compensation technology the tracking capability of o - e theodolite tv tracking system is promoted to track fast moving targets at maximal 50 / s angular velocity and maximal 30 / s2 angular acceleration other than maximal 30 / s angular velocity and maximal 12 / s2 angular acceleration before while the maximal tracking error is still less than 3
提出了加速度滯后補償的概念,並將其應用到提高電視跟蹤穩態精度中;結合電視跟蹤器補償技術,在保證最大跟蹤誤差不大於3的條件下,將目前的光電經緯儀電視跟蹤系統跟蹤最大角速度30 / s 、和最大角加速度12 / s2能力,提高到跟蹤最大角速度50 / s 、最大角加速度30 / s2 。The results of simulation indicate that the sins / od can effectively eliminate the following errors of navigation parameters, attitude, velocity, latitude and longitude etc
模擬結果表明該組合導航系統可有效地減小姿態、速度、經度和緯度等導航參數的誤差累積。Creatively, this paper advance involute as the tooth form that has been used widely in the engineering, and we also bring forward a design idea that tooth can be distributed continuously on spherical surface. based on those ideas, we invent the spherical gear of ring involute tooth. it is proved that this mechanism overcome the two big objections of traditional gear by solid model, and so a great breakthrough is achieved in the gear drive field. 2
本文創造性地提出了採用工程上廣泛應用的漸開線作為齒廓曲線,並將輪齒沿緯度方向在球面上呈連續分佈的設計思想,在此基礎上發明了漸開線環形齒球齒輪機構,實物模型證明,該機構從根本上克服了傳統離散齒球齒輪存在的傳動原理誤差和加工困難兩大障礙,在齒輪傳動領域取得了重大突破。Latitude error corrector
緯度誤差校正器The star calibration system, which is one of methods to calibrate precision and adjust tolerance of tracing and measuring devices in fields, has been widely applied to high precision tracing and measuring devices such as photoelectric theodolites, radars, etc. combining with many researching fields such as astronomy, computer control technology, communication, science engineering algorithm, etc, star calibration software have characteristics of large size, long development period, etc, but their inherent coherence and constant establish the base of abstract and reuse
星體標校系統是實現跟蹤測量設備外場精度標校和誤差調整的方法之一,廣泛應用於光電經緯儀、雷達等高精度跟蹤測量設備中。星體標校軟體集天文、計算機控制技術、通訊、科學工程計算等眾多知識領域,具有軟體規模大,開發周期長等特點,但其本身存在一致性和不變性,奠定了它們的可抽象性和可復用性的基礎。Abstract : in this article, we introduced a new measuring standard which can be used successfully in laboratary inspecting all kinds of domestic and foreign levels and theodoites. the design principle and measurement error of the instrument were also analyzed
文摘:介紹了一種最新研製的在室內檢定高精度水準儀經緯儀的計量標準儀器,並分析了該儀器設計原理及誤差來源。分享友人