This is a compilation of the music performed at the graduation recital of John Estacio on April 11,1991, at 2.30 p.m. in the U.B.C. Recital Hall. There were four pieces performed that afternoon including Azimuth for viola, clarinet and marimba, written in 1989. Ode on the Death of A Favourite Cat, Drowned in a Tub of Goldfishes for S.A.T.B. choir was written in 1989 and uses the text of Thomas Gray. Moments is a set of three pieces for woodwind quintet written in 1990. Viola Concerto is in three movements and was written in 1991 for Reg Quiring, a former U.B.C. student. The concerto is scored for solo viola and chamber orchestra. A cassette copy of the recital is available with this book. / Arts, Faculty of / Music, School of / Graduate

This thesis deals with the design of lens antennas for automotive radar in 77 GHz bandwidth. The work explains methods of designing waveguides as well as horn antennas and dielectric lens. A simulation of three designed horn antennas is performed in CST Microwave Studio. Antennas with spherical and hyperbolical lens are simulated as well and subsequently optimized for maximal gain. The thesis also investigates effects of the lens permittivity on its properties. Furthermore, the work deals with a design of an antenna system with minimalized antenna coupling. Nylon, ABS and photopolymer lens are designed and compared afterwards. ABS and photopolymer lens were produced by 3D print

This master thesis deals with a study of directional antennas, followed by their design and optimalization of horn antenna based on SIW for Ka band (26,5- 40 GHz). The first part of the thesis contains the theoretical analysis of the different types of directional antennas, also the SIW technology is described here. It also describes the 3D printing technology by means of which the final antenna should be made. The next part of this work is about design of horn antenna based on SIW. Simulation and optimization of the antenna will be done using the CST Microwave Studio. The final part of the thesis deals with evaluation of achieved results.

This master thesis deals with a study of directional antennas, followed by their design and optimization of horn antenna based on SIW for Ka band (26,5- 40 GHz). The first part of the thesis contains the theoretical analysis of the different types of directional antennas, also the SIW technology is described here. It also describes the 3D printing technology by means of which the final antenna should be made. The next part of this work is about design of horn antenna based on SIW. Simulation and optimization of the antenna will be done using the CST Microwave Studio. The horn antenna was modeled with three different dielectric loads. The horn antenna with an experimental triangular dielectric load was chosen for fabrication. The fabricated antenna has reached almost the whole bandwidth to cover Ka. The antenna gain was 9,38 dBi for 33 GHz frequency.

The work addresses the unusual proposal feed for parabolic antenna with circular polariza-tion signal. This is a modified waveguide feed, waveguide polarizer with a septum. Contemporary RHCP and LHCP wave occurs in several applications of microwave commu-nication and measurement system. From this point of view the septum polarizer can be useful. The septum polarizer is a four-port waveguide device. The square waveguide at one end con-stitutes two ports because it can support two orthogonal modes. A stepped septum divides the square waveguide into two standard rectangular waveguides sharing a common broad-wall. The size of the septum as well as two versions of the waveguides excitation were analyzed and are described in this paper. Ansoft HFSS is software for design and simulation of feed. This software can visualize not only the specified model feed, but also the course of electromagnetic field in feed and over time.

This diploma thesis describes the corrugated substrate integrated horn antenna designed to surface wave’s excitation in the UWB band groups 3, 4, 5 and 6 (6 – 10 GHz). The antenna is integrated into 3,4 mm thick textile with relative permittivity r = 1,195. The coaxial cable is connected via the SMA connector that is attached to the aluminum bracket. From the microstrip line transition the corrugated substrate integrated waveguide is excited. Two strip lines are placed in front of the aperture for improvement of the impedance matching. The directivity of the antenna is 12 dBi at 8 GHz. At the same frequency, the antenna efficiency is 70%.

My thesis introduces the topic of nociceptive signalisation and processes involved in the formation and spreading of neuropathic pain. This study focuses on the mechanisms of nociceptive synaptic transmission mechanisms in the level of spinal dorsal horn and its modulation by paclitaxel, a chemotherapeutic drug inducing neuropathic changes. The attention is put especially on the possibility of glial activity participation in paclitaxel side effects. This idea stems from the existing hypothesis of the functional connection between TLR4 and TRPV1 receptor activity. TRPV1 is well known for its participation in chemical, thermal and nociceptive sensory transmission. Minocycline antibiotic is considered as an inhibitor of microglial activation therefore it was used for blocking neuroinflammation. The experimental part is comparing an impact of substances applied to the model of tachyphylaxis used for monitoring of nociceptive transmission changes according to decreasing activity of TRPV1 receptors. Electrophysiological recording of miniature excitatory postsynaptic currents from neurons in the Rexed laminae I. and II. of spinal dorsal horn was used. The results of my measurements show that minocycline is able to suppress acute effects of paclitaxel application in vitro if the spinal slice is incubated...

The discussion dealt with stylistic influences, compositional techniques, and performance considerations of chamber music involving clarinet composed by Bohuslav Martinu and included a performance of three of his works: Quartet. for clarinet, horn, cello, and side drum, Madrigals for oboe, clarinet, and bassoon, and Sextet for flute, oboe, clarinet, two bassoons, and piano. The selections performed and discussed in the lecture show compositional growth of the composer through the three periods of his life in which he composed chamber music which included winds. These three time periods are 1923-40 during his residency in Paris, 1941-56 during his residency in the United States, and 1957 until his death in 1959 when he returned permanently to Europe.

This dissertation presents an investigation and design optimization of energy absorbent protective systems that protect the brain. Specifically, the energy absorption characteristics of the bighorn sheep skull-horn system were quantified and used to inform a topology optimization performed on a football helmet facemask leading to reduced values of brain injury indicators. The horn keratin of a bighorn sheep was experimentally characterized in different stress states, strain rates, and moisture contents. Horn keratin demonstrated a clear strain rate dependence in both tension and compression. As the strain rate increased, the flow stress increased. Also, increased moisture content decreased the strength and increased ductility. The hydrated horn keratin energy absorption increased at high strain rates when compared to quasi-static data. The keratin experimental data was then used to inform constitutive models employed in the simulation of bighorn sheep head impacts at 5.5 m/s. Accelerations values as high as 607 G’s were observed in finite element simulations for rams butting their heads, which is an order of magnitude higher than predicted brain injury threshold values. In the most extreme case, maximum tensile pressure and maximum shear strains in the ram brain were 245 kPa and 0.28, respectively. These values could serve as true injury metrics for human head impacts. Finally, a helmeted human head Finite Element (FE) model is created, validated, and used to recreate impacts from a linear impactor. The results from these simulations are used to train a surrogate model, which is in turn utilized in multi-objective design optimization. Brain injury indicators were significantly reduced by performing multi-objective design optimization on a football helmet facemask. In particular, the tensile pressure and maximum shear strain in the brain decreased 7.5 % and 39.5 %, respectively when comparing the optimal designs to the baseline design. While the maximum tensile pressure and maximum shear strain values in the brain for helmeted head impacts (30.2 kPa and 0.011) were far less than the ram impacts (245 kPa and 0.28), helmet impacts up to 12.3 m/s have been recorded, and could easily surpass these thresholds.

Alien-colour : for woodwind quintet -- Two bagatelles for the solo piano -- Duodecat : for large ensemble -- Moonlight : for solo voice and percussion -- Activation : for orchestra. / Yang Jin Fong. / "June 2004." / Thesis (D.Mus.)--Chinese University of Hong Kong, 2004. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.