Thesis (M.S.)--Naval Postgraduate School, 2002. / Thesis advisor(s): Charles W. Therrien, Murali Tummala. Includes bibliographical references (p. 83-84). Also available online.

Thesis (M.S. in Electrical Engineering and M.S. in Engineering Acoustics)--Naval Postgraduate School, June 2004. / Thesis advisor(s): Roberto Cristi, Kevin B. Smith. Includes bibliographical references (p. 91-94). Also available online.

Thesis (M.S. in Engineering Acoustics)--Naval Postgraduate School, June 2004. / Thesis advisor(s): Kevin B. Smith. Includes bibliographical references (p. 57-58). Also available online.

Thesis (M.S.) in Electrical Engineering--University of Maine, 2002. / Includes vita. Includes bibliographical references (leaf 104).

The conductance catheter technique is commonly used in research to assess cardiac hemodynamics through measurement of ventricular pressure and volume. In order to perform chronic cardiac studies in murine rodents, a small low-power device capable of performing these measurements is necessary. This thesis presents the design, implementation, and test of such a device, coupled with a radio that allows for the telemetry to be transmitted to a base station. Multiple low-power design techniques were employed in this device, which is surgically embedded in the animal. The total mass of the device with battery is 4 grams, and the device volume is 10cm3. Results show that it is capable of periodic monitoring of pressure volume loops for up to 60 days on a single charge. / text

ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA / Over the past few years, papers have been presented relating to the design and development of a telemetry section used to compare the performance between S-Band and C-Band telemetry links. In addition, the flight test plans to make this comparison have been discussed. Captive Carry Test Flights (on a F-18 fighter jet) over the NAVAIR Sea and Land Ranges at Point Mugu and China Lake were conducted during the April-July 2014 timeframe. In addition a Live Fire Test Flight over the Land Range of the specially outfitted missile was performed in July 2014 as well. This paper will discuss these series of flights tests and provide a performance assessment of the data quality between the C-Band and S-Band telemetry data links. In addition, lessons learned from the various test flights will be included as well. Due to publication deadlines, the results will be summarized at the actual conference.

ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA / Airbus is authorized to use S-band for Telemetry transmission until 2015. In October 2011, the decision was taken to move to C-band in 2013, to cope with Airbus development aircraft planning. The objective was a real challenge for 2 main reasons: C-band channel was not characterized in Airbus transmission environment and it was necessary to validate the propagation performance for Flight Tests uses. The selected solution is based on Coded Orthogonal Frequency Division Multiplexing (COFDM) modulation. There was no existing solution so it has led the Airbus Test Centre to drive the development of its own C Band solution. C-band telemetry at Airbus has been tested and evaluated in flight from April 2012. The first goal was to check the coverage and the impact of the bad weather condition. Besides, it was necessary to characterize the channel to choose the optimised parameters for the waveform in the Toulouse Blagnac environment. This selection of parameters allows the high quality and increased data rate required for Airbus Telemetry to be reached. The test results consolidated the choice of a COFDM modulation, when given the high sensitivity to multipath of usual Frequency Modulation in the airport environment full of buildings and aircrafts. Moreover, it has been possible to reach a similar quality to the S-band telemetry systems, thanks to a fine tuning of the waveform parameters, and tracking system. Deployment of the system by modifying 8 reception antennas and 12 development aircrafts was done over a span of 4 weeks in January 2014. No impact on Airbus A350 certification campaign occurred due to close collaboration with Flight Test Operations. The new Telemetry system enables an increase of telemetry capabilities in the future, especially the data throughput, simplified remote control and monitoring. This experience is an opportunity to set up a new standard.

ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV / Telemetry ground antenna tracking performance evaluation and measurement was previously performed by evaluating only the antenna drive system. The integrated nature of software controlled antenna systems has prompted a need to evaluate the entire tracking antenna system, as a whole. Particularly, the ability of an antenna to remain "locked" on a dynamic target must be able to be evaluated and quantified. This paper presents one method for evaluating the tracking ability of a telemetry antenna system and discusses a likely set of metrics to be used as figures of merit for antenna system tracking performance.

ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV / The physics associated with transmitting and receiving a telemetry signal at a frequency greater than an octave above the current operating band is such that an end-to-end evaluation of the complete data link system (both the transmit and receive side) is required. In 2012, Airborne Instrumentation Systems Division (AISD), Naval Air Warfare Center Weapons Division (NAWCWD) was sponsored by the Office of the Secretary of Defense (OSD) to develop a couple of short-range air-to-air missile platforms that use a specially-designed warhead-replaceable telemetry section incorporating three data links: (1) an S-band link to transmit Time- Space-Position Information (TSPI), (2) an C-band link, and (3) an additional S-band link where the latter two are transmitting the same pseudo-random bit sequence at the same effective radiated power level. Flight testing will consist of a series of captive tests conducted over land and water. The tests will be performed under a variety of conditions to induce potential issues caused by multipath, atmospheric ducting, fast-slewing of the tracking antenna, and large propagation losses. Flight testing will culminate with the live-fire of a missile over a military land range. This paper describes the continuing efforts of this test program from these series of flight tests, thus quantifying the performance of C-band telemetry data transmission as compared to the S-band.

ITC/USA 2012 Conference Proceedings / The Forty-Eighth Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2012 / Town and Country Resort & Convention Center, San Diego, California / Growing pressures on today's testing resources are driving the need for a change in the way telemetry is currently being done. As systems advance and become more complex, testing these systems becomes more difficult due to budget, schedule and test resource constraints. These pressures create the need to support more concurrent testing with ever increasing numbers of participants and bandwidth requirements, all while available resources are diminishing. In order to continue to provide support to the war fighter through timely and efficient testing of new systems, the test infrastructure needs to be updated to become more agile and efficient. We will examine the application of innovative new technologies and concepts to increase the capabilities of the testing infrastructure in the presence of shrinking resources. By leveraging advances in wireless technologies, telemetry networks and other technologies, we will present alternatives to the current telemetry paradigm.