The invention provides an azimuth angle error compensation method of inertia azimuth keeping system. The method comprises the following steps of: 1. detecting the acceleration signal of a gyroscope; 2. acquiring and converting the acceleration signal, and outputting the converted acceleration signal to...
The receiving module is configured to sequentially switch several azimuth angles to receive a first signal transmitted at the first transmitting angle from a first transmitting module of the first communication device. The estimation module is configured to calculate several signal powers of the first ...
Software Design of Mobile Antenna for Auto Satellite Tracking using Modem Correction and Elevation Azimuth Method. Pointing accuracy is an important thing in satellite communication. Because the satellites distance to the surface of the earths satellite is so huge, thus 1 degree of pointing error ...
detects the azimuthal positions and supplies corresponding signals to control circuity (not shown). As can be seen from FIGS. 1 and 2, the elevation angle can be varied between about 20 degrees and about 80 degrees. For use with the MSAT satellite system, a mean elevation angle is about ...
APPARATUS FOR ADJUSTING AN AZIMUTH ANGLE IN AN ANTENNA An apparatus for adjusting a tilt angle remotely is provided to fixe a driving member in a body by coupling a hook member in a cylindrical groove. A tilt angle adjusting apparatus of an antenna includes a force translation member(302), ...
Even in the time of satellite communication long distance links in the HF band (3-30 MHz) via the ionosphere are still of great significance. There is also a need for reconnaissance and location in this frequency band. One approach is the single site location (SSL) technique which is ...
Method for measuring torsion angle of altazimuth equipment on basis of laser communication基于激光通信测量经纬仪设备扭转角的方法,涉及激光通信技术领域,它解决现有测量经纬仪设备扭转角存在测量设备安装条件与测量精度两个因素往往无法同时保证的问题,通安装信端机,多次测量发射机和接收机间的通信距离取测量后的平均...
The invention is characterized in that the solar azimuth sensor comprises a base and three photovoltaic cells uniformly distributed on the base, projections of the three photovoltaic cells on the bottom surface of the base form an included angle of 120 degrees, the solar azimuth sensor is arranged...
Energy balance of the photovoltaic system is influenced by many factors. In this article the effect of tilt and azimuth angle changes of the photovoltaic system energy production is analyzed. These parameters have significant impact on the amount of sola
ββ indicates the included angle between the trajectory and the slow time axis. Δ𝑡𝑛=𝑃𝑅𝐹·Δ𝑡𝑚Δtn=PRF·Δtm denotes the length of a discrete slow time for the trajectory of the residual correction error. Δ𝑡𝑚Δtm is the length of slow time after applying the ...