Aerospace and Electronic Systems Magazine December 2017 - 5

Editorial

Continued from page 3.

From the Editors of the Special Issue on HF Skywave Radar
Daniel W. O'Hagan, Gordon Frazer, Joe Fabrizio, Stuart Anderson
half a dozen countries, along with several expressions of regret
from people who wished to contribute but were prevented from
doing so by government or corporate constraints. If most of the papers were to survive peer-review, then we would be on course for a
double issue. After the rigorous two-stage peer-review process, we
ended up with thirteen accepted papers.
We, as Guest Editors, have decided to arrange the resulting twopart Special Issue such that the first part contains the seven papers
dealing primarily with HF skywave radar. The second part contains
six papers, with the focus on HF surface wave radar and on hybrid
systems. To reflect this organization, we have opted to call the first
part Special Issue on HF Skywave Radar and the second part Special Issue on HF Radar, for ease of reference, but of course there is
an extensive commonality of technology and scientific principles.
While we cannot claim to have achieved a truly comprehensive
account of the global state of HF radar, this Special Issue contains
papers from Australia, Canada, China, Germany, Singapore and
the United States, with technical exposition and scientific results
from some of the world's most advanced HF radar systems, written
by the key researchers involved.
The papers in this first collection address a diverse range of
issues that confront designers and users of HF radars. The opening article, by Anderson, is a cri de cœur for greater recognition
of the need to employ physical models whose fidelity is commensurate with the dynamic range of modern HF radars. His argument is illustrated with examples from both skywave and surface
wave radar systems. Next, Francis, Cervera and Frazer describe
a methodology for designing a network of HF skywave radars,
where the radar siting and system parameters must be optimized
for the mission objectives, taking account of the propagation and
noise environments. Not only must HF radars manage to achieve
their objectives in a challenging interference environment, they
must also be responsible citizens of the HF band. McKerracher,

DECEMBER 2017

Moo, and Ponsford report on a new HFSWR system architecture
that is 'cognitively enabled', defined as the capability to utilize
spectrum knowledge obtained either by sensing the environment
at the radar or from external sources to satisfy all requirements.
The next paper, by Riddolls, examines the problem of auroral
clutter in HF skywave systems, a very serious problem at high
latitudes, and shows how adaptivity applied to '3-D' radars can
mitigate this threat. Barnes and Earl then analyze the impact of
noise on the radar receiving and processing system, emphasizing the need for, and design of, a database tailored to support
receiver specification and resultant performance prediction. In
the following paper, Frazer describes experimental results obtained with a MIMO skywave radar, showing that multiple-input
multiple-output radar techniques can be used to construct, after
reception, the required multiple simultaneous adaptive rangedependent transmitter beams, thereby achieving a propagation
mode selection capability which can greatly improve detectability of slow targets, especially in maritime applications. Finally,
Zhang, Jiang, Li, Li, and Ji describe an interacting multiple
model adaptive strong tracking filter (IMMASTF), developed in
the HFSWR context but of wider potential application. The filter combines the strong tracking filter (STF) and the Saga-Husa
adaptive filter with the well-known interacting multiple model
(IMM) algorithm, with the goal of improving the stability and
precision of target tracks.
We conclude this editorial by expressing our sincere gratitude,
first to the authors who engaged fully with our endeavour despite
their many competing priorities, and second, to the small group
of HF radar experts across the world who devoted their time and
expertise to the review process. Their time and dedication has ensured the high standard of this Special Issue. We can truly claim
that this has been a community effort.
Enjoy your Special Issue on HF Radar.

IEEE A&E SYSTEMS MAGAZINE

17



Table of Contents for the Digital Edition of Aerospace and Electronic Systems Magazine December 2017

No label
Aerospace and Electronic Systems Magazine December 2017 - No label
Aerospace and Electronic Systems Magazine December 2017 - Cover2
Aerospace and Electronic Systems Magazine December 2017 - 1
Aerospace and Electronic Systems Magazine December 2017 - 2
Aerospace and Electronic Systems Magazine December 2017 - 3
Aerospace and Electronic Systems Magazine December 2017 - 4
Aerospace and Electronic Systems Magazine December 2017 - 5
Aerospace and Electronic Systems Magazine December 2017 - 6
Aerospace and Electronic Systems Magazine December 2017 - 7
Aerospace and Electronic Systems Magazine December 2017 - 8
Aerospace and Electronic Systems Magazine December 2017 - 9
Aerospace and Electronic Systems Magazine December 2017 - 10
Aerospace and Electronic Systems Magazine December 2017 - 11
Aerospace and Electronic Systems Magazine December 2017 - 12
Aerospace and Electronic Systems Magazine December 2017 - 13
Aerospace and Electronic Systems Magazine December 2017 - 14
Aerospace and Electronic Systems Magazine December 2017 - 15
Aerospace and Electronic Systems Magazine December 2017 - 16
Aerospace and Electronic Systems Magazine December 2017 - 17
Aerospace and Electronic Systems Magazine December 2017 - 18
Aerospace and Electronic Systems Magazine December 2017 - 19
Aerospace and Electronic Systems Magazine December 2017 - 20
Aerospace and Electronic Systems Magazine December 2017 - 21
Aerospace and Electronic Systems Magazine December 2017 - 22
Aerospace and Electronic Systems Magazine December 2017 - 23
Aerospace and Electronic Systems Magazine December 2017 - 24
Aerospace and Electronic Systems Magazine December 2017 - 25
Aerospace and Electronic Systems Magazine December 2017 - 26
Aerospace and Electronic Systems Magazine December 2017 - 27
Aerospace and Electronic Systems Magazine December 2017 - 28
Aerospace and Electronic Systems Magazine December 2017 - 29
Aerospace and Electronic Systems Magazine December 2017 - 30
Aerospace and Electronic Systems Magazine December 2017 - 31
Aerospace and Electronic Systems Magazine December 2017 - 32
Aerospace and Electronic Systems Magazine December 2017 - 33
Aerospace and Electronic Systems Magazine December 2017 - 34
Aerospace and Electronic Systems Magazine December 2017 - 35
Aerospace and Electronic Systems Magazine December 2017 - 36
Aerospace and Electronic Systems Magazine December 2017 - 37
Aerospace and Electronic Systems Magazine December 2017 - 38
Aerospace and Electronic Systems Magazine December 2017 - 39
Aerospace and Electronic Systems Magazine December 2017 - 40
Aerospace and Electronic Systems Magazine December 2017 - 41
Aerospace and Electronic Systems Magazine December 2017 - 42
Aerospace and Electronic Systems Magazine December 2017 - 43
Aerospace and Electronic Systems Magazine December 2017 - 44
Aerospace and Electronic Systems Magazine December 2017 - 45
Aerospace and Electronic Systems Magazine December 2017 - 46
Aerospace and Electronic Systems Magazine December 2017 - 47
Aerospace and Electronic Systems Magazine December 2017 - 48
Aerospace and Electronic Systems Magazine December 2017 - 49
Aerospace and Electronic Systems Magazine December 2017 - 50
Aerospace and Electronic Systems Magazine December 2017 - 51
Aerospace and Electronic Systems Magazine December 2017 - 52
Aerospace and Electronic Systems Magazine December 2017 - 53
Aerospace and Electronic Systems Magazine December 2017 - 54
Aerospace and Electronic Systems Magazine December 2017 - 55
Aerospace and Electronic Systems Magazine December 2017 - 56
Aerospace and Electronic Systems Magazine December 2017 - 57
Aerospace and Electronic Systems Magazine December 2017 - 58
Aerospace and Electronic Systems Magazine December 2017 - 59
Aerospace and Electronic Systems Magazine December 2017 - 60
Aerospace and Electronic Systems Magazine December 2017 - 61
Aerospace and Electronic Systems Magazine December 2017 - 62
Aerospace and Electronic Systems Magazine December 2017 - 63
Aerospace and Electronic Systems Magazine December 2017 - 64
Aerospace and Electronic Systems Magazine December 2017 - 65
Aerospace and Electronic Systems Magazine December 2017 - 66
Aerospace and Electronic Systems Magazine December 2017 - 67
Aerospace and Electronic Systems Magazine December 2017 - 68
Aerospace and Electronic Systems Magazine December 2017 - 69
Aerospace and Electronic Systems Magazine December 2017 - 70
Aerospace and Electronic Systems Magazine December 2017 - 71
Aerospace and Electronic Systems Magazine December 2017 - 72
Aerospace and Electronic Systems Magazine December 2017 - 73
Aerospace and Electronic Systems Magazine December 2017 - 74
Aerospace and Electronic Systems Magazine December 2017 - 75
Aerospace and Electronic Systems Magazine December 2017 - 76
Aerospace and Electronic Systems Magazine December 2017 - 77
Aerospace and Electronic Systems Magazine December 2017 - 78
Aerospace and Electronic Systems Magazine December 2017 - Cover3
Aerospace and Electronic Systems Magazine December 2017 - Cover4
http://www.brightcopy.net/allen/aesm/34-2s
http://www.brightcopy.net/allen/aesm/34-2
http://www.brightcopy.net/allen/aesm/34-1
http://www.brightcopy.net/allen/aesm/33-12
http://www.brightcopy.net/allen/aesm/33-11
http://www.brightcopy.net/allen/aesm/33-10
http://www.brightcopy.net/allen/aesm/33-09
http://www.brightcopy.net/allen/aesm/33-8
http://www.brightcopy.net/allen/aesm/33-7
http://www.brightcopy.net/allen/aesm/33-5
http://www.brightcopy.net/allen/aesm/33-4
http://www.brightcopy.net/allen/aesm/33-3
http://www.brightcopy.net/allen/aesm/33-2
http://www.brightcopy.net/allen/aesm/33-1
http://www.brightcopy.net/allen/aesm/32-10
http://www.brightcopy.net/allen/aesm/32-12
http://www.brightcopy.net/allen/aesm/32-9
http://www.brightcopy.net/allen/aesm/32-11
http://www.brightcopy.net/allen/aesm/32-8
http://www.brightcopy.net/allen/aesm/32-7s
http://www.brightcopy.net/allen/aesm/32-7
http://www.brightcopy.net/allen/aesm/32-6
http://www.brightcopy.net/allen/aesm/32-5
http://www.brightcopy.net/allen/aesm/32-4
http://www.brightcopy.net/allen/aesm/32-3
http://www.brightcopy.net/allen/aesm/32-2
http://www.brightcopy.net/allen/aesm/32-1
http://www.brightcopy.net/allen/aesm/31-12
http://www.brightcopy.net/allen/aesm/31-11s
http://www.brightcopy.net/allen/aesm/31-11
http://www.brightcopy.net/allen/aesm/31-10
http://www.brightcopy.net/allen/aesm/31-9
http://www.brightcopy.net/allen/aesm/31-8
http://www.brightcopy.net/allen/aesm/31-7
https://www.nxtbookmedia.com