Space-borne passive location simulation method and verification method
A passive positioning and simulation method technology, applied in the aerospace field, can solve problems such as the difficulty of repeating the measurement process, the difficulty of knowing the accuracy of positioning results, and the lack of theoretical references for spaceborne passive positioning.
Inactive Publication Date: 2016-03-02
36TH RES INST OF CETC
View PDF2 Cites 3 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In the prior art, since the measurement process of spaceborne passive positioning is difficult to repeat and track, the spaceborne passive positioning lacks an ideal theoretical reference, and it is difficult to know the accuracy of the positioning results when the target is unknown. Therefore, in-depth analysis, research and testing of spaceborne passive positioning technology cannot be carried out
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0047] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0048] figure 1 A flowchart showing a simulation method for spaceborne passive positioning according to an embodiment of the present invention, as shown in figure 1 As shown, the method includes:
[0049] Step S110, establishing a simulation scenario for spaceborne passive positioning, the simulation scenario includes: a simulated earth, a simulated satellite, and a simulated ground radiation source.
[0050] Step S120, establishing a directional line pointing from the simulated satellite to the simulated ground radiation source.
[0051] Step S130, analyzing the position and direction of the direction-showing line in the earth coordinate system at each moment.
[0052] Step S140, for each moment, the position of the intersection po...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a space-borne passive location simulation method and a verification method. The space-borne passive location simulation method comprises the following steps: establishing a space-borne passive location simulation scenario, wherein the simulation scenario includes a simulation earth, a simulation satellite and a simulation ground radiation source; establishing a direction indication line pointing to the simulation ground radiation source from the simulation satellite; analyzing the position and direction of the direction indication line in a geodetic coordinate system at each time; and for each time, taking the position of the intersection between the direction indication line and the surface of the simulation earth at the time as the simulation location result. According to the technical scheme provided by the invention, the simulation satellite simulates an actual satellite, the simulation ground radiation source simulates an actual ground radiation source, so that the position and direction of the direction indication line can reflect the position and direction of radiation wave transmitted by an actual ground radiation source to an actual satellite. The simulation location process provides an ideal theoretical reference for space-borne passive location, and is of vital significance to the analysis, research and test of the space-borne passive location technology.
Description
technical field [0001] The invention relates to the aerospace field, in particular to a simulation method and a verification method for spaceborne passive positioning. Background technique [0002] Spaceborne passive positioning is an important part of satellite reconnaissance missions, and target location information is also one of the key information in reconnaissance intelligence. The direction finding and positioning of ground radiation sources has become the most important technical requirement of electronic reconnaissance satellites, and has important and extensive applications in both military and civilian fields. The basic principle of the actual space-borne passive direction finding positioning is: using the characteristics of satellite movement, the direction of the ground radiation source is measured multiple times, that is, the azimuth of the radiation signal of the ground radiation source received by the satellite at multiple times is measured, and the position ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/00
CPCG01S5/00G01S5/021
Inventor 王磊
Owner 36TH RES INST OF CETC