查询词典 azimuth distance

Firstly, this paper gives a brief introduction on the principles and the form of GPS system; On the base of the demand of the moving bi-static/multi-static radar measuring real-time position of the transmitter and the receiver, separately the application of GPS in the radar is discussed; Formulas of the distance and the azimuth the receiver relative to the transmitter are ...

论文首先简单介绍GPS的工作原理及其系统组成；根据在运动平台上的双/多基地雷达需要对发射站和接收站位置进行实时定位的要求，研究GPS在该雷达中的应用；根据GPS提供的接收站经纬度信息，推导了接收站相对于发射站的距离和方位角的计算公式；讨论了GPS定位误差对接收站定位和对目标定位精度的影响，结果表明GPS可以满足该雷达系统的要求。

A new iterative method, based on the velocity distance azimuth display technique proposed by Jou et al.

周等(1996)进一步发展速度距离乘积方位显示法，在VDAD座标下，平均风呈一组平行线，识别平均风远比在GBVTD座标下容易。

This paper focuses on the geometrical properties of Inter-Satellite Links of the small satellites formation flying under the elliptical orbits, including the azimuth, elevation and the distance.

摘要该文对编队飞行小卫星的星间链路几何特性(方位角、仰角及星间距离)进行较为深入的研究。

Research conclusions:In the repetition survey for precise control of outside tunnel, it can be verified whether the result of repetition survey meets the requirement of construction accuracy or not through making comparison of the distance with azimuth of corresponding baseline.

研究结论：在隧道洞外精密控制测量的复测中，对组成的同名基线进行距离和方位角对比，可以很快验证复测成果是否符合施工精度要求；同名基线的验证方法可以有效地反映观测误差对隧道横向贯通误差的影响；工程实践证实，同名基线对比分析可避免过于繁琐的内业工作，及时确保施工安全和进度。

Most of Chinese GPR have not as good performances as ones abroad. In the paper, the GPR system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling-hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. As the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm.

本文根据探地雷达系统工作原理，在电子科技大学探地雷达系统样机研制的基础上采用了各种有效的优化技术，包括探测前端、采样保持电路的优化，定位轮、目标定位、多线程技术的应用，数据采集处理和控制软件功能的拓展、各种有效的信号预处理算法的应用等，显著提高了系统的探测性能和增强了探测效果，使得系统方位、距离分辨率均达到了10cm，探测深度大于50cm，其性能指标达到国外先进水平，为进一步的实用化奠定了重要的基础。

The method creates a radial grid with the station as the grid center, and searching is made with varied steps in epicenter distance and azimuth.

该方法以台站为中心，建立辐射状网格，按可变震中距步长和方位角步长进行搜索。

General procedures for measuring highway as follows: First check the correctness of the original data, including principal point coordinates, distance, azimuth,桩号miles, round curves, relaxation curves and vertical curve elements of the curve, more than longitudinal slope and the slope design of high, ultra high and wide, and draw good draft for field use.

公路测量的程序一般为：首先校核原始资料的正确性，主要包括主点坐标、距离、方位角、里程桩号、圆曲线、缓和曲线和竖曲线的曲线要素、纵坡和边坡坡比、设计高、超高和加宽等，并画好草图以备外业使用。

It is concluded that we can make a communication constellation to become satellite communication web. We then calculate the azimuth, elevation and distance between the two links satellites by using STK.

再利用STK卫星模拟软体，算出气象观测与通讯卫星星系分别应用卫星之间的方位角、仰角及距离关系。

Research methods: Taking the repetition survey for precise control of outside Nanliang - Taihang Mountain Tunnel as an example, the discussion is made on the influence on the error in penetrating tunnel by two results in this paper through making analyses of the corresponding baselines＇ distance and azimuth.

研究方法：以南梁-太行山隧道洞外精密控制测量复测为例，通过比较分析同名基线的距离和方位角，考察两次结果对隧道贯通误差的影响。

The resolution is improved through optimal combination of bin attributes which are small offset, small bin, wide azimuth, large off-inline distance and high coverage. Then the "feature net" of near surface conditions was created, and the "sudden transition" of near surface variations was found to provide reliable foundation for optimum shooting parameters selection. The effective methods of spectrum analysis were generalized. It is concluded that the target is satisfying sand body interpretation, not pursuing high frequency.

通过较小炮检距、较小面元、较宽方位角、较大非纵距和较高的纵、横向覆盖次数等面元属性的优化组合，提高了该区地震资料的分辨率；建立了表层条件&特征网&，通过寻找表层变化&突变带&，可为最佳激发因素的选取提供可靠依据；总结了频谱分析的有效方法，提出要以砂体解释的需要为目标，避免陷入盲目追求高频率的误区。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。