Scimago Journal & Country Rank

Proceedings of the Annual IEEE International Frequency Control Symposium


United States

Universities and research institutions in United States

Subject Area and Category




Publication type

Conferences and Proceedings




1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003




Information not localized Join the conversation about this journal

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.238
Cites / Doc. (4 years)20000.404
Cites / Doc. (4 years)20010.806
Cites / Doc. (4 years)20020.760
Cites / Doc. (4 years)20030.727
Cites / Doc. (4 years)20040.892
Cites / Doc. (4 years)20051.415
Cites / Doc. (4 years)20060.972
Cites / Doc. (4 years)20180.000
Cites / Doc. (4 years)20190.000
Cites / Doc. (3 years)19990.238
Cites / Doc. (3 years)20000.431
Cites / Doc. (3 years)20010.819
Cites / Doc. (3 years)20020.715
Cites / Doc. (3 years)20030.947
Cites / Doc. (3 years)20040.799
Cites / Doc. (3 years)20051.575
Cites / Doc. (3 years)20061.107
Cites / Doc. (3 years)20180.000
Cites / Doc. (3 years)20190.000
Cites / Doc. (2 years)19990.226
Cites / Doc. (2 years)20000.405
Cites / Doc. (2 years)20010.754
Cites / Doc. (2 years)20021.019
Cites / Doc. (2 years)20030.893
Cites / Doc. (2 years)20040.843
Cites / Doc. (2 years)20051.838
Cites / Doc. (2 years)20060.000
Cites / Doc. (2 years)20180.000
Cites / Doc. (2 years)20190.000
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites19990
Self Cites2000100
Self Cites2001240
Self Cites2002192
Self Cites2003150
Self Cites20040
Self Cites20050
Self Cites20060
Self Cites20180
Self Cites20190
Total Cites1999114
Total Cites2000254
Total Cites2001460
Total Cites2002396
Total Cites2003372
Total Cites2004374
Total Cites2005512
Total Cites2006218
Total Cites20180
Total Cites20190
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19990.239
External Cites per document20000.261
External Cites per document20010.393
External Cites per document20020.370
External Cites per document20030.571
External Cites per document20040.804
External Cites per document20051.585
External Cites per document20061.112
External Cites per document20180
External Cites per document20190
Cites per document19990.238
Cites per document20000.431
Cites per document20010.819
Cites per document20020.715
Cites per document20030.947
Cites per document20040.799
Cites per document20051.575
Cites per document20061.107
Cites per document20180.000
Cites per document20190.000
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19992
Non-citable documents20001
Non-citable documents20012
Non-citable documents20023
Non-citable documents20034
Non-citable documents20043
Non-citable documents20052
Non-citable documents20061
Non-citable documents20180
Non-citable documents20190
Citable documents1999476
Citable documents2000589
Citable documents2001560
Citable documents2002551
Citable documents2003389
Citable documents2004465
Citable documents2005323
Citable documents2006196
Citable documents20180
Citable documents20190
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999428
Uncited documents2000494
Uncited documents2001403
Uncited documents2002429
Uncited documents2003272
Uncited documents2004339
Uncited documents2005187
Uncited documents2006134
Uncited documents20180
Uncited documents20190
Cited documents199950
Cited documents200096
Cited documents2001159
Cited documents2002125
Cited documents2003121
Cited documents2004129
Cited documents2005138
Cited documents200663
Cited documents20180
Cited documents20190
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