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Tourismus, Hotellerie und Gastronomie von A bis Z Pub Date : 1896-12-31 DOI:10.2307/j.ctvxcrxh5.18

M. Grzegorzewski, W. Jaruszewski, A. Fellner, Airforce, A. Wasilewski, Z. Rzepecka

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引用次数: 0

摘要

飞行器使用卫星导航变得越来越普遍。实际上，每一架新生产的飞机或直升机上都安装了GPS接收器。该系统因其简单、可靠性高而得到广泛应用。为了提高飞机导航的精度、可用性、连续性和完整性，可以采用GPS和GLONASS相结合的导航技术。用户对综合GPS/GLONASS接收机特别感兴趣。新的ASHTECH GG24接收机在市场上的出现，使得有可能估计在飞机导航中利用这种类型的接收机的可能性。已进行的飞行试验的主要目标是在基于卫星的进近和着陆中使用这些接收机。该报告的作者进行了一项实验，旨在收集TS11 Iskra飞机飞行期间和接近着陆时的数据。德布林机场被选为试验区。飞机的精确轨迹是在全球WGS'84坐标系中计算的，以一秒钟的间隔计算飞行期间的后续位置，使用RTK技术进行“后处理”模式。将RTK定位与DGPS/DGLONASS实时定位进行比较，并对实时差分精度进行估计。文中给出了精度分析的初步结果。Marek Grzegorzewski等。空军学院Dęblin为本次实验准备了TS 11 Iskra飞机，配备了以下设备:•GG24和Z12接收器;用于DGPS/DGLONASS数据链的卫星无线电调制解调器;•卫星飞机GPS/GLONASS和GPS RTK天线。在航海处大楼安装了参考站天线(图2)，用于GG24接收机。此外，在WGS'84中精确已知坐标的点上设置了基础RTK Z12接收器。图。1。参考站CXL70-5C天线图参考站GG 24接收机Ashtech飞机天线导航年度42 DGPS/DGLONASS飞机定位初步结果接收器已于1999年5月24日安装在选定的ts11 Iskra卫星上。GG24和Z12接收器被安装在右舷，因为在装配和拆卸过程中都很容易进入，而且在飞行后很容易打开和关闭它们。卫星无线电调制解调器安装在弹射座椅外部的第二个座舱中。卫星天线被固定在一个专门准备的架子上。天线之间的距离为10cm。照片。3。gg24和Z12接收机在TS 11座舱的装配图1。参考站的位置以满足RTK测定的需要

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The use of satellite navigation by aerial craft becomes more and more common. Practically every newly produced plane or helicopter has GPS receiver installed on board. This system becomes widely used because it is simple and highly reliable. To improve the Required Performance Navigation Parameters (RNP), namely, the accuracy, availability, continuity, and integrity of aircraft navigation, the integrated GPS and GLONASS techniques can be used. Users are especially interested in integrated GPS/GLONASS receivers. The appearance of new ASHTECH GG24 receiver on the market has made it possible to estimate the possibility of utilisation of this type of receivers in aircraft navigation. The main goal of performed flight trials was the use of those receivers in satellite-based approaches and landings. The authors of the report carried out an experiment aiming at data collection during flight and approach to landing of plane TS11 Iskra. The airport of Deblin was chosen as the test area. The precise trajectory of the aircraft was calculated in the global WGS'84 system of co-ordinates for subsequent positions during flight, at one-second intervals, with the use of RTK techniques in "post-processing" mode. The RTK positions were compared with DGPS/DGLONASS real-time positions and next, the estimation of real-time differential accuracy was done. The preliminary results of the accuracy analysis are given in the paper. Marek Grzegorzewski et al. AIRBORNE AND REFERENCE STATION EQUIPMENT The Airforce Academy in Dęblin has prepared TS 11 Iskra plane to this experiment, furnishing it with the following: • GG24 and Z12 receivers; • SATEL radio-modem for DGPS/DGLONASS data link; • satellite aircraft GPS/GLONASS and GPS RTK antennas. On the Navigation Department building a reference station antenna was installed (Photo 2) for GG24 receiver. Also, the base RTK Z12 receiver was set up at the point with precisely known co-ordinates in WGS'84. Photo. 1. CXL70-5C antenna of reference station Photo. 2. Ashtech aircraft antenna of GG 24 receiver at reference station Annual of Navigation 42 PRELIMINARY RESULTS OF DGPS/DGLONASS AIRCRAFT POSITIONING... The receivers were installed on board of selected TS 11 Iskra on 24 May 1999. GG24 and Z12 receivers were installed on starboard because of a good access during assembly and of disassembly and because it was easy to switch them on and off after flight. SATEL radio modems were installed in the second cabin on the external side of the ejection seat. Satellite antennas were fixed to a specially prepared rack. The distance between antennas was 10 cm. Photo. 3. The assembly of GG 24 and of Z12 receiver receivers in TS 11cockpit Fig. 1. Location of reference stations for the needs of RTK determinations

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Tourismus, Hotellerie und Gastronomie von A bis Z

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