Latest Space News
Fri, 22 Feb 2019 03:18:10 +0000
A SpaceX Falcon 9 carrying an Indonesian communications satellite, an Israeli lunar lander and a U.S. Air Force smallsat launched Feb. 21 from Cape Canaveral, Florida. SpaceNews.com
Thu, 21 Feb 2019 23:49:24 +0000
Air Force Chief of Staff Gen. David Goldfein: "There are a thousand decisions that have to be made." SpaceNews.com
Thu, 21 Feb 2019 23:43:36 +0000
The Pentagon would ask Congress to approve “special temporary authorities” for the secretary of defense to transfer resources from other services to the Department of the Air Force and the Space Force. SpaceNews.com
Thu, 21 Feb 2019 21:34:19 +0000
EchoStar wishes it ordered its latest satellite, Jupiter-3, sooner than it did, but won’t seek to play catch up by buying another copy of the satellite in order to meet surging demand for broadband connectivity, executives said Feb. 21. SpaceNews.com
Thu, 21 Feb 2019 21:10:24 +0000
At the end of 2018, division chief Clare Grason and her entire satellite communications team at the Defense Information Systems Agency moved over to work in the same capacity under Gen. John (“Jay”) Raymond at the Air Force Space Command (AFSPC). SpaceNews.com
Thu, 21 Feb 2019 18:48:59 +0000
The challenge facing U.S. Strategic Command is figuring out how to develop a modern nuclear command, control and communications system (NC3) that passes muster. SpaceNews.com
Wed, 20 Feb 2019 22:17:54 +0000
As Blue Origin prepares to start flying people on its New Shepard suborbital vehicle, the company’s founder says the altitude the vehicle can reach will put it at an advantage over Virgin Galactic’s SpaceShipTwo. SpaceNews.com
Wed, 20 Feb 2019 21:53:23 +0000
The Indonesian communications satellite that is SpaceX’s primary payload for its second Falcon 9 launch this year overcame a change of manufacturers and the loss of a U.S. Ex-Im Bank loan to reach the launch pad. SpaceNews.com
Wed, 20 Feb 2019 17:21:12 +0000
Facebook and Viasat are collaborating first in Mexico, but are open to expanding globally, Viasat said. SpaceNews.com
Wed, 20 Feb 2019 15:26:15 +0000
Virgin Galactic scrubbed the Feb. 20 flight test for SpaceShipTwo, the air-launched suborbital spaceplane, due to high winds in Mojave, California. The flight test is now scheduled for Friday, Feb. 22. SpaceNews.com
Tue, 19 Feb 2019 23:39:24 +0000
The new chair of the House space subcommittee says she’s looking forward to working with the commercial space industry on a number of issues, including oversight of non-traditional space activities. SpaceNews.com
Tue, 19 Feb 2019 23:20:06 +0000
ULA and SpaceX will split six national security launches planned for 2021 to 2022, the Air Force announced Feb. 19. SpaceNews.com
Tue, 19 Feb 2019 22:18:37 +0000
SPD-4 gives the Pentagon the official go-ahead to send a proposal to the White House recommending the establishment of a separate military branch for space. SpaceNews.com
Tue, 19 Feb 2019 20:15:12 +0000
Virgin Galactic plans to conduct a fifth test flight Feb. 20 of its suborbital spaceplane SpaceShipTwo, VSS Unity. SpaceNews.com
Tue, 19 Feb 2019 20:14:26 +0000
A slow start for Eutelsat’s Konnect Africa broadband venture and losses in activities beyond the fleet operator’s core business contributed to a 4.4 percent decline in revenue during the last half of 2018. SpaceNews.com
Mon, 18 Feb 2019 22:11:51 +0000
The multiyear investment begins with 18-month contract worth few million pounds. SpaceNews.com
Mon, 18 Feb 2019 01:28:19 +0000
As LeoStella inaugurated the factory that will be used to produce a series of Earth imaging satellites, the joint venture of Thales Alenia Space and Spaceflight Industries continues to look for other customers. SpaceNews.com
Sun, 17 Feb 2019 22:54:09 +0000
DoD wants space sensors that can be counted on to work even in adverse conditions like solar activity, radiation belts and orbital debris. SpaceNews.com
Sun, 17 Feb 2019 22:29:43 +0000
An appropriation bill signed into law Feb. 15 gives NASA $21.5 billion for fiscal year 2019, $1.6 billion above the administration’s original request. SpaceNews.com
Fri, 15 Feb 2019 23:45:10 +0000
NASA is considering buying two additional seats on Soyuz spacecraft to ensure a continued American presence on the International Space Station amid worries about additional delays in commercial crew flights. SpaceNews.com
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  • CV: PhD Student

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
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    Candidate Profile
     Date Submitted:18-07-2013
     Last Modified:28-07-2013 (08:13)
    Job information
     Current job:PhD Student
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:
     KeywordsAntenna Design
    CV

     

    Education

    Ph.D., Electronics Engineering 2013

    University of Surrey, United Kingdom

    Thesis: Cost Effective Antenna Design for Small Satellite Pulsed and LFMCW RaDAR

    • Investigated antenna cost factors for both pulsed and Linear Frequency Modulated Continuous Wave (LFMCW) satellite RaDAR to monitor tropical deforestation 
    • Used mutual coupling to decrease the multimode horn element’s height and effective volume in the phased array
    • Skills acquired:
      1. Mission analysis to see how the objective and sub-systems affect each other and the antenna design
      2. Wrote mode matching simulator in C programming language
      3. Numerical simulator HFSS
      4. Antenna design using analytical model and verification through numerical simulators
      5. Mentored another Ph.D. student in aerodynamics with simulators’ experience and mission analysis design. 

     

    B.Eng (2nd Upper), Electrical Engineering 2005

    National University of Singapore, Singapore

    Final Year Project: Study of Human Head Effects on UWB Antenna

    • Designed a small Ultra Wide-Band (UWB) antenna with isotropic radiation pattern
    • Investigated the effect of the presence of the human head on the antenna
    • Discovered the human head does not absorb much of the Radio Frequency (RF) but acts as a ground plane in the UWB range
    • Skills acquired: 
      1. Numerical simulator XFDTD 
      2. Far field antenna measurement using anechoic chamber

     

    Victoria Junior College 2000

    5 GCE “A” and 2 “AO” Level Passes

     

    Zhonghua Secondary School 1998

    8 GCE “O” Level Passes

     

    Experience

    R&D Engineer, Institute for Infocomm Research, Singapore 2005-2007

    Industry Project: HF RFID Smart Shelf Proof of Concept

    • Produced a proof of concept antenna to detect items on a metal shelf using only 1 planar antenna instead of the conventional solution of 2 antennas
    • Awarded 2 patents
    • Skills acquired:
      1. Numerical simulator IE3D
      2. HF near field measurement

    Project: Ultra High Frequency (UHF) Radio Frequency IDentification (RFID) Study

    • Studied the effectiveness of UHF RFID in the near and far field with different materials in an enclosed cluttered space

     

    Industrial Attachment Student, DSO Laboratories 2004

    Project: Satellite and Wide band Line of Sight Communication System

    • Selected a propagation model and integrated into a simulator using C++ programming language
    • Skills acquired:
      1. C++ programming language

     

    International Publications

     

    Journal

    1. Z.N. Chen, A. Cai, T.S.P. See, X. Qing, M.Y.W. Chia, “Small Planar UWB Antennas in Proximity of the Human Head, ” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 4, part 2, pp. 1846-1857, April 2006.

     

    Conferences

    1. A. Cai, C.I. Underwood, M.N. Sweeting, “Height Reduction Using Mutual Coupling for the Multimode Horn Phased Array, ” EuCAP 2013, Gothenburg, Sweden, April 2013. 
    2. Z.N. Chen, A. Cai, T.S.P. See, M.Y.W. Chia, “Small Planar UWB Antennas in Proximity of Human Head, ” IEEE International Conference on UWB 2005, Zurich, Switzerland, pp. 286-289, Sept. 2005.
    3. T.S.P. See, A. Cai, Z.N. Chen, “Study on the Transmission of RF Signals on the Human Body, ” IEE WIdeband and Multi-band Antennas and Arrays 2005, Birmingham, United Kingdom, pp. 83-87, Sept. 2005.
    4. A. Cai and Z.N. Chen, “Characterization of Printed UWB antennas in the proximity of Human Head, ” IEEE Antennas and Propagation Society International Symposium 2005, Washington D.C., United States, pp. 698-701, July 2005. 
    5. A. Cai, T.S.P. See, and Z.N. Chen, “Study of Human Head Effects on UWB Antenna, ” IEEE International Workshop on Antennas and Technology: Small Antennas and Novel Metamaterials, Singapore March 2005. (Won Best Poster)

     

    Patents

    1. X. Qing, Z.N. Chen, A. Cai, “Antenna for Radio Frequency Identification System”, 24 May 2007, WO 2007058619 A1. 
    2. X. Qing, Z.N. Chen, A. Cai, “Multi-loop Antenna for Radio Frequency Identification Applications,  24 May 2007, WO 2007058620 A1”.

     

    Languages

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    2. Chinese - Writing, Speaking, Reading, Hearing (Fluent)
    3. Japanese - Reading, Hearing (not Fluent)
    4. German - Hearing (not Fluent)

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