Patent ID: 11962395
Assignee: CHINA STARWIN SCIENCE & TECHNOLOGY CO., LTD
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The whole-airspace satellite search device based on the phased array antenna according to claim 9, wherein in step S2 of the whole-airspace satellite search method based on the phased array antenna, the angle to aim the satellite at the place where the phased array antenna is located comprises an azimuth angle φ0, a pitch angle θ0, and a polarization angle ρ0:, φ
   0
  
  =
  
   
    180
    ⁢
    °
   
   +
   
    
     
      tan
       
     
     
      -
      1
     
    
    ⁢
    
     (
     
      
       tan
       ⁡
       (
       
        
         λ
         s
        
        -
        
         λ
         e
        
       
       )
      
      
       sin
       ⁢
       
        φ
        e
       
      
     
     )
    
    ⁢
    
     
      tan
       
     
     
      -
      1
     
    
    ⁢
    
     (
     
      
       
        
         cos
         ⁡
         (
         
          
           λ
           s
          
          -
          
           λ
           e
          
         
         )
        
        ⁢
        cos
        ⁢
        
         φ
         e
        
       
       -
       
        
         R
         e
        
        
         
          R
          e
         
         +
         H
        
       
      
      
       
        1
        -
        
         
          (
          
           
            cos
            ⁡
            (
            
             
              λ
              s
             
             -
             
              λ
              e
             
            
            )
           
           ⁢
           cos
           ⁢
           
            φ
            e
           
          
          )
         
         2
        
       
      
     
     )
    
    ⁢
    
     (
     
      -
      1
     
     )
    
    ⁢
    
     (
     
      
       sin
       ⁡
       (
       
        
         λ
         s
        
        -
        
         λ
         e
        
       
       )
      
      
       tan
       ⁢
       
        φ
        e
       
      
     
     ), enotes a longitude of the phased array antenna; φe denotes a latitude of the phased array antenna; Re denotes an average radius of the Earth; and H denotes a distance of the satellite from a surface of the Earth.