发明名称 |
Bandpass processing of a spread spectrum signal |
摘要 |
A digitally sampled spread spectrum signal is received, despread, and accumulated at a center frequency lower than the sampling rate and higher than zero.
|
申请公布号 |
US6741638(B2) |
申请公布日期 |
2004.05.25 |
申请号 |
US19970880470 |
申请日期 |
1997.06.23 |
申请人 |
SCHLUMBERGERSEMA INC. |
发明人 |
RAMBERG ERIK A.;FROELICH ROBERT K.;FULTON FORREST F. |
分类号 |
H04B1/707;(IPC1-7):H04B1/69 |
主分类号 |
H04B1/707 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|