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Gérard Lachapelle

Gérard Lachapelle

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 61 1531 1464 80 74 542 14727
Computer Science 60 3239 3145 127 119 524 14368

Gérard Lachapelle publications per year

The chart shows the history of publications by Gérard Lachapelle between 1974 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gérard Lachapelle published across 48 years, from 1974 to 2021, averaging 12.2 papers a year. Output peaked at 49 publications in 2012. 1 of the 586 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1974 to 2021. Vertical axis: number of publications, 0 to 49. Peak 49 publications in 2012. 1974: 2 publications 1975: 0 publications 1976: 1 publication 1977: 1 publication 1978: 0 publications 1979: 2 publications 1980: 4 publications 1981: 0 publications 1982: 3 publications 1983: 0 publications 1984: 3 publications 1985: 2 publications 1986: 1 publication 1987: 3 publications 1988: 3 publications 1989: 3 publications 1990: 4 publications 1991: 4 publications 1992: 12 publications 1993: 11 publications 1994: 14 publications 1995: 9 publications 1996: 8 publications 1997: 9 publications 1998: 6 publications 1999: 16 publications 2000: 16 publications 2001: 16 publications 2002: 18 publications 2003: 20 publications 2004: 30 publications 2005: 26 publications 2006: 21 publications 2007: 21 publications 2008: 26 publications 2009: 32 publications 2010: 34 publications 2011: 43 publications 2012: 49 publications 2013: 24 publications 2014: 17 publications 2015: 26 publications 2016: 17 publications 2017: 8 publications 2018: 13 publications 2019: 7 publications 2020: 0 publications 2021: 1 publication
1974 2021

586 publications in total across all disciplines

View publications per year as a table
Gérard Lachapelle: publications per year, 1974 to 2021
Year Publications
1974 2
1975 0
1976 1
1977 1
1978 0
1979 2
1980 4
1981 0
1982 3
1983 0
1984 3
1985 2
1986 1
1987 3
1988 3
1989 3
1990 4
1991 4
1992 12
1993 11
1994 14
1995 9
1996 8
1997 9
1998 6
1999 16
2000 16
2001 16
2002 18
2003 20
2004 30
2005 26
2006 21
2007 21
2008 26
2009 32
2010 34
2011 43
2012 49
2013 24
2014 17
2015 26
2016 17
2017 8
2018 13
2019 7
2020 0
2021 1
Total 586
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Gérard Lachapelle publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Gérard Lachapelle sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 534–553 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 542 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92 542
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Gérard Lachapelle D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Gérard Lachapelle sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 61 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 61 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93 61
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2015 - IEEE Fellow For contributions to signal processing for global navigation satellite systems
  • 2002 - Fellow of the Royal Society of Canada Academy of Science
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering

Overview

Gérard Lachapelle is a researcher affiliated with the University of Calgary in Canada. Their work spans multiple scientific disciplines, including engineering, earth and planetary sciences, and physics and astronomy. The subfields they focus on include aerospace engineering, oceanography, and astronomy and astrophysics.

Their research covers several main topics, particularly in the areas of global navigation satellite systems (GNSS) positioning and interference, geophysics and gravity measurements, and ionosphere and magnetosphere dynamics.

Among their recent scholarly contributions is a paper titled Kinematic Zenith Tropospheric Delay Estimation with GNSS PPP in Mountainous Areas, published in 2021 in the journal Sensors.

  • Paul Gratton
  • Simon Banville
  • Kyle O'Keefe

  • Sensors

Gérard Lachapelle has been recognized by several professional organizations. They were named a Fellow of the IEEE in 2015 for contributions to signal processing for global navigation satellite systems. They are also a Fellow of the Royal Society of Canada, acknowledged in 2002 under the Academy of Science. Additionally, they hold membership in The Canadian Academy of Engineering.

Best Publications

  • GPS Vulnerability to Spoofing Threats and a Review of Antispoofing Techniques

    Ali Jafarnia-Jahromi;Ali Broumandan;John Nielsen;Gérard Lachapelle

  • Dynamic Deformation Monitoring of Tall Structure Using GPS Technology

    J. W. Lovse;W. F. Teskey;G. Lachapelle;M. E. Cannon

  • Wireless location system

    Michel T. Fattouche;Richard W. Klukas;Andrew L. Borsodi;Mark Astridge

  • Complete Triaxis Magnetometer Calibration in the Magnetic Domain

    Valérie Renaudin;Muhammad Haris Afzal;Gérard Lachapelle

  • ASPeCT: Unambiguous sine-BOC(n,n) acquisition/tracking technique for navigation applications

    O. Julien;C. Macabiau;M.E. Cannon;G. Lachapelle

  • Foot mounted inertial system for pedestrian navigation

    S Godha;G Lachapelle

  • Motion Mode Recognition and Step Detection Algorithms for Mobile Phone Users

    Melania Susi;Valérie Renaudin;Gérard Lachapelle

  • Step length estimation using handheld inertial sensors.

    Valérie Renaudin;Melania Susi;Gérard Lachapelle

  • Integrated GPS/INS System for Pedestrian Navigation in a Signal Degraded Environment

    S. Godha;G. Lachapelle;M. E. Cannon;Saurabh Godha

  • Comparison of Vector-Based Software Receiver Implementations With Application to Ultra-Tight GPS/INS Integration

    Mark G. Petovello;Gérard Lachapelle

  • HSGPS Signal Analysis and Performance under Various Indoor Conditions

    G. Lachapelle;H. Kuusniemi;D. T. H. Dao;G. Macgougan

  • A Comparison of the FASF and Least- Squares Search Algorithms for on-the-Fly Ambiguity Resolution

    D. Chen;Gerard Lachapelle

  • Coherent, Noncoherent, and Differentially Coherent Combining Techniques for Acquisition of New Composite GNSS Signals

    D. Borio;C. O'Driscoll;G. Lachapelle

  • Data fusion algorithms for multiple inertial measurement units.

    Jared B. Bancroft;Gérard Lachapelle

  • IEEE TRANSACTIONS® ON AEROSPACE AND ELECTRONIC SYSTEMS

    Avionic Systems;Murat Efe;Myron Kayton;Michael Rice

  • GPS spoofer countermeasure effectiveness based on signal strength, noise power, and C/N0 measurements

    Ali Jafarnia Jahromi;Ali Broumandan;John Nielsen;Gérard Lachapelle

  • Indoor Positioning System Using Accelerometry and High Accuracy Heading Sensors

    J. Collin;O. Mezentsev;G. Lachapelle

  • Consideration of time-correlated errors in a Kalman filter applicable to GNSS

    M. G. Petovello;K. O’Keefe;G. Lachapelle;M. E. Cannon

  • GNSS spoofing detection in handheld receivers based on signal spatial correlation

    Ali Broumandan;Ali Jafarnia-Jahromi;Vahid Dehghanian;John Nielsen

  • GNSS Indoor Location Technologies

    Gérard Lachapelle

  • A Low-Complexity GPS Anti-Spoofing Method Using a Multi-Antenna Array

    Saeed Daneshmand;Ali Jafarnia-Jahromi;Ali Broumandon;Gérard Lachapelle

  • User-level reliability monitoring in urban personal satellite-navigation

    H. Kuusniemi;A. Wieser;G. Lachapelle;J. Takala

Frequent Co-Authors

Naser El-Sheimy
Naser El-Sheimy University of Calgary
Pedram Mousavi
Pedram Mousavi University of Alberta
Meyer Nahon
Meyer Nahon McGill University
Min-Jea Tahk
Min-Jea Tahk Korea Advanced Institute of Science and Technology
Mogens Blanke
Mogens Blanke Technical University of Denmark
Vikram Krishnamurthy
Vikram Krishnamurthy Cornell University
Mark Campbell
Mark Campbell Cornell University
Chris Rizos
Chris Rizos University of New South Wales

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