Inventor
CHEN XIAOFEN
US15 patents
⚠️ This page may combine multiple inventors who share the name “CHEN XIAOFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEKTRONIX INC
11 patentsUS6671334B1Dec 30, 2003
Measurement receiver demodulator
TEKTRONIX INC94 citations97
US6246717B1Jun 12, 2001
Measurement test set and method for in-service measurements of phase noise
TEKTRONIX INC112 citations96
US6701265B2Mar 2, 2004
Calibration for vector network analyzer
TEKTRONIX INC104 citations95
US6366629B1Apr 2, 2002
Method of estimating timing phase and rate offsets in digital data
TEKTRONIX INC62 citations95
US6636722B1Oct 21, 2003
Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator
TEKTRONIX INC22 citations91
US6366621B1Apr 2, 2002
Method of estimating pilot signal phase in a digitally modulated RF signal
TEKTRONIX INC16 citations83
US6542112B1Apr 1, 2003
Interference cancellation in antenna test
TEKTRONIX INC14 citations81
US6384589B1May 7, 2002
Reference frequency spur cancellation in synthesized measurement receivers
TEKTRONIX INC13 citations73
US7373282B2May 13, 2008
Fault severity check and source identification
TEKTRONIX INC2 citations62
US7184406B2Feb 27, 2007
Visualization of active codes, their spreading factors and power levels, in a code domain power display
TEKTRONIX INC2 citations62
US6741642B1May 25, 2004
Enhanced constellation display for VSB television signals
TEKTRONIX INC3 citations62