相對方位角 的英文怎麼說
中文拼音 [xiāngduìfāngwèijiǎo]
相對方位角
英文
angle relative azimuth- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 方位 : position; bearing; direction; points of the compass; placement
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0, the correlation coefficient it the highest and also sensitive to the change of azimuth angle. it is unfavorable to retrieve
而順壟掃描則相關系數最高,且對方位角變化敏感,不利於The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time
這樣做既提高了系統的經濟性,簡化了結構,又使得系統具有了同時測量目標距離、相對速度和方位角的功能。Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深度的關系;首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響,為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。The text is under the direction of marxism and leninism. at the same time, it is on the bases of grand old men ’ s studying lessons from the older generation ’ s research results. the ways are demonstration between other countries ’ foreign policies and our country ’ s foreign policy, comparison among multi - national mythologies, and multi - disciplinary methods etc, and i attempt to probe into our country ’ s foreign policy in hope of having a further knowledge of the omnidirectional diplomatism strategem
本文以馬克思主義為指導,在學習和借鑒前輩研究成果的基礎上,運用與其他國家及我國以往歷史時期外交政策相比較以及多學科交叉等方法,試圖從國家利益角度對全方位外交政策進行全面研究,以期對全方位外交政策有深刻的了解。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。In the second part of this dissertation ( chapter 6 and chapter 7 ), it is demonstrated that in low multiplicity sample, the increase of the fluctuation of event factorial moments with the diminishing of phase space scale, " erraticity ", are dominated by the statistical fluctuations
在非對心碰撞中,初始坐標空間中的方位角不對稱性將導致末態粒子相對于「反應平面」的角依賴性。微觀上講,末態動量空間的大的各向異性來源於碰撞最初階段的大量的再散射。By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration
分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system
本文根據雷達探測系統得到的目標距離、相對速度和方位角等信息,建立了監控系統防碰撞數學模型,與其他模型相比該模型能夠最大限度地避免錯誤警報的發出,並且分析了各種信息在系統中的處理過程。The radiation patterns with and whitout radome are calculated, and the angle difference in the maximum field point of their main clot show the bse of the radome, the bse from - 15 degree to 15 degree in direction, that been calculated and compared with the excited experimented data shows they coincide quite well
有天線罩時的遠區場和沒有天線罩時的遠區場相比較,兩個主波束對應的角度差即是天線罩的瞄準誤差,本文對方位掃描角從負15度到正15度進行分析。We prove theoretically that under certain reasonable assumptions the formation is asymptotically stable even wills bounded disturbances ; that is, the proposed sliding mode controller can asymptotically stabilize the errors in relative distance, relative bearing and heading direction, respectively
在合理的假設下,從理論上證明了存在有界干擾情形下機器人編隊的漸近穩定性,即所設計的滑模控制器使得相對距離誤差、方位角誤差及運動方向誤差漸近穩定。Since the rotational axis of the earth is tilted from the revolution axis by 23. 5, the sun, for example, rises at different directions at different times during the year
由於地球的自轉軸相對于公轉軌道平面傾斜了23 . 5度,再加上地球的繞日運動,所以太陽東升的方位角會隨日子改變。By using sliding mode control approaches, we consider a two - vehicle team in leader - follower configuration that is required to follow a prescribed trajectory while maintaining a desired relative distance, relative bearing angle and heading orientation
考慮了兩個機器人組成的領航者跟隨者機器人模型,通過滑模控制使它們沿預定的軌跡運動並保持預定的相對距離、方位角及運動方向。It can be used not only to infer position of the magnetic body relative to the drill hole but also to make quantitative - semi - quantitative calculation and inverse interpretation and calculation of the distance and depth from head or tail of ore bodies to the known drill hole at surface by rotating an angle so as to design drilling depth, dip angle and orientation of the next drill hole
其作用不僅可以判斷磁性體相對于鉆孔的位置,而且可以進行定量和半定量計算,以及經旋轉一角度採用地面方法作反演解釋,計算礦體頭部或尾部距已知鉆孔的距離、深度,設計下一鉆孔的深度、頂角、方位角。The physics implication of the pt integrated v % magnitude as a function of particle mass is also discussed. erraticity analysis provide new opportunity in measuring event by event fluctuations in high energy nuclear collisions
對于這類事件,我們應相對於它們初始的方位角不對稱的方向來研究它們,而這一方向由它們各自碰撞參數的取向和大小完全決定。In recent years, evident deformation of shore slope for piled wharf occurred at many corners of piers in tianjin port, resulting in relative displacement and deformation of inshore structures, which grievously affects the safety of wharf structures
摘要近幾年天津港多個突堤轉角處的高樁碼頭岸坡變形比較明顯,導致碼頭後方承臺結構構件出現明顯的相對錯位、變形等破損情況,嚴重影響了碼頭結構物安全。The principle of angle measurement of short - baseline interferometer is that using phase difference between returning signals to obtain the angle of the target. the method has high precision, but has the phase ambiguity problem inevitably, the article give the explanation to the short - baseline interferometer about these two questions
短基線干涉儀測角的基本原理是相位法測角,即利用系統中不同接收站之間的相位差來獲得目標的方位角信息,具有測角精度高的優點,但卻不可避免的存在著測角模糊的問題,文中對短基線干涉儀這兩個基本問題進行了說明。This direction finding algorithm may resolve uncorrelated monochromatic sources, but it assumes that all signal frequencies are distinct. it requires no a priori knowledge of the signals " frequencies, suffers no frequency - doa ambiguity, and pairs automatically the x - axis direction cosines with the y - axis direction cosines
該演算法用單矢量水聽器,在無需知道信號先驗信息的條件下,可以實現對多個不相關信號的方位角估計,並且不受頻率模糊度的影響,自動匹配x軸、 y軸的方向餘弦。Having studied the data tables, we got the relation between optical correlation s / n and distortion parameter ( scale rotation azimuth ) and then constructed the proper rfl, and so the puzzle of distortion of 3d objects in practical opr system is now resolved
從實測數據出發,得出了opr對畸變參數(比例畸變、旋轉畸變、方位角畸變等)的寬容度,並由此構成了與之相適應的參考濾波器庫,從而解決了實用系統中的三維畸變目標問題。The altitude / azimuth grid shows the positions of objects on a map relative to the observer ' s local horizon
星圖上的高度方位角柵格顯示天體的位置時是相對于觀測者的地方地平圈的。Give some simulations about the doa ( direction - of - arrival ) estimation based on system of correlation equations. while the improved genetic algorithms was used. comparison of the accuracy of estimation for different objective function and different values of snr are given with narrowband signal
該方法運用改進后的遺傳演算法對聲壓和質點振速之間的相關方程進行求解,當目標信號為窄帶時,對不同代價函數下遺傳演算法對信號的方位和強度估計進行了比較,並對信噪比、方位角變化時該方法的估計結果進行了模擬研究。分享友人