分面浏览：发表日期 |
| 当前检索式 | ((ALL：Directional coupler)) |
| 限定条件 | 无 |
共42条，第1-42条
| 2022 3 | 2021 2 | 2020 3 |
| 2019 6 | 2018 3 | 2017 2 |
| 2016 4 | 2015 8 | 2014 1 |
| 2013 3 | 2012 4 | 2011 5 |
| 2010 4 | 2009 5 | 2008 11 |
| 2007 4 | 2006 5 | 2005 4 |
| 2004 4 | 2003 2 | 2002 1 |
| 2001 3 | 2000 1 | 1999 1 |
| 1998 1 | 1997 5 | 1996 1 |
| 1994 3 | 1993 3 | 1992 9 |
| 1991 5 | 1990 3 | 1989 3 |
| 1988 5 | 1987 3 | 1986 1 |
| 1985 7 | 1984 2 | 1981 2 |
| 1980 1 | 1978 1 | 1977 1 |