| 摘要 |
<P>PROBLEM TO BE SOLVED: To generate wideband signals that require substantially flat amplitude and linear phase response. <P>SOLUTION: A signal generation system can include an input source configured to provide an input radio frequency (RF) signal, a correction filter calculation (CFC) block configured to determine correction filter parameters, and an automatic level control (ALC) loop configured to provide ALC loop information to the CFC block. The correction filter parameters are determined based at least in part on the ALC information. The system can also include a predistortion field programmable gate array (FPGA) configured to apply a correction filter to the input RF signal, the correction filter being based at least in part on the correction filter parameters, and an RF output configured to provide an RF output signal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
