一、頻點頻段
UHF | 300M~1G |
---|---|
L | 1~2G |
S | 2~4G |
C | 4~8G |
X | 8~12G |
Ku | 12~18G |
K | 18~27G |
Ka | 27~40G |
Q | 30~50G |
MM波 | 30~300G |
GPS | L1 | 1575.42 MHz | 星上時鐘10.23M |
---|---|---|---|
L2 | 1227.60 MHz | ||
L5 | 1176.45 MHz | ||
BDS | B1c | 1575.42 MHz ± 32.736MHz(1558.052~1591.788) | |
B2a | 1176.45 MHz ± 20.46MHz(1166.22~1217.37) | ||
B3 | 1268.52 MHz ± 35.805MHz(1250.618~1286.423) |
PRN | 僞随機碼(衛星編号) |
---|---|
PR1~4 | 僞距 |
P碼 (精測距碼) | 擴頻PN碼率為10.23MHz |
C/A碼(粗測距碼) | 擴頻PN碼率為1.023MHz,長度為1023 |