一些单位换算、插损计算的简单工具

jwcye

觉得有用就down吧
1. Find Free Space (clear line of sight) Path Loss      
   
2. Convert watts to dBm and dBW      
   
3. Convert dBm to watts      
   
      
4. Convert uV to dBm (50 ohm impedance)      
   
5. Convert dBm to uV (50 ohm impedance)      
   
      
6. Convert dBW to uV (50 ohm impedance)      
   
      
7. Convert dBu and Freq. to dBm and uV      
   
8. Convert dBm and Freq. to Field Strength in dBu and mV/meter (relative to a dipole)        
   
9. Calculate Return Loss from Power out and Power reflected      
  
10. Calculate Vertical Ant to Ant Isolation (Based on Dipoles)      
  
      
11. Calculate Horizontal Ant to Ant Isolation (Based on Dipoles)      
  
      
12. Calculate distance to horizon (smooth earth)      
   
13. Calculate Radio Horizon, Center of Vertical Beam horizon and        
      
      
14. Calculate unobstructed signal levels using data from calculations above      

      
15. Convert Degree-Minute.decimal coordinate format to other formats      
  (Note: If you enter an incorrect value you will get an incorrect answer)      

16. Convert Degree-Minute-Second coordinate format to other formats      
17. Convert Degree.decimal coordinate format to other formats      
18. Distance between coordinates: FCC distance method: Valid up to ~250 miles

【文件名】:061211@52RD_rfcalc.xls
【格　式】:xls
【大　小】:35K
【简　介】:
【目　录】:

jwcye

真正用到的时候省的去网上查询

jwcye

顶上去