Acoustic mode quantization in nanostructures

... BRILLOUIN LIGHT SCATTERING Chapter Brillouin light scattering 2.1 Brillouin light scattering 2.1.1 Introduction Brillouin light scattering (BLS) originally refers to the inelastic light scattering ... Brillouin scattering is more appropriate than Raman scattering to study the confined acoustic modes of submicron spheres because their mode frequencies mainly lie in the gigahertz range I...

Ngày tải lên: 14/09/2015, 09:21

... THICKNESS SHEAR- MODE ACOUSTIC WAVE SENSOR IN LIQUID AND THE FREQUENCY INTERFERENCE BETWEEN LATERALLY COUPLED CHANNELS BY LU FENG (B.Eng.,M.Eng XJTU) DEPARTMENT OF MECHANICAL ENGINEERING A ... environment, the interference between the channels would be more complicated Beside the thickness shear mode, the longitudinal wave is also generated...

Ngày tải lên: 16/09/2015, 15:53

... of neck regions in the context of bubbling in sequences of harmonic maps Qing and Tian [8] extended these results to the case of almost harmonic maps An alternative proof was then given by Lin ... energy, and tension decreasing to zero in L2 The following result represents the current state of knowledge of the bubbling phenomenon in almost -harmonic m...

Ngày tải lên: 28/03/2014, 22:20

... Applied Computing, volume 1, pages 3–7, 2010 [10] E Inderm¨ hle, V Frinken, A Fischer, and H Bunk u Keyword spotting in online handwritten documents containing text and non-text using blstm neural networks ... between points i − and i divided by time in terms of sampling intervals d(i − 1, i) (ti − ti−1 )r (4) http://www.anoto.com 304 3.3 Training of BLSTM Neural Networks...

Ngày tải lên: 28/04/2014, 10:11

... thickness is increased Therefore, there is much stronger scattering in Bi2Te3 / Sb2Te3 SLs compared to the bulk Bi2Te3 films Similar enhanced scattering of optical phonons in Bi2Te3 / Sb2Te3 SLs ... conductivity in the Bi2Te3 / Sb2Te3 SL are 0.48 W/mK in SL1/1, 0.23 W/mK in the SL2/2, and 0.25 W/mK in the SL1/5 films.8 Therefore, it appears that acoustic phonon...

Ngày tải lên: 06/05/2014, 08:53

... simple continuum models of phonon confinement Since dimensional confinement of phonons restricts the phase space of the phonons, it is certain that carrier-phonon interactions in nanostructures ... Frohlich, and piezoelectric interactions in a variety of nanostructures including quantum wells, quantum wires, and quantum dots These interactions playa dominant role in determining t...

Ngày tải lên: 04/06/2014, 14:40

... 3013–3016, Salt Lake City, Utah, USA, May 2001 J.-M Valin, F Michaud, and J Rouat, “Robust localization and tracking of simultaneous moving sound sources using beamforming and particle filtering,” Robotics ... source In contrast, MAP and median SIMULATION AND RECORDING SETUP A dialogue situation between talkers is analyzed The localization methods already discussed are compared using...

Ngày tải lên: 22/06/2014, 00:20

... T Magesacher, P Odling, and P O B¨ rjesson, Adaptive ino terference cancellation using common-mode information in DSL,” in Proceedings of the 13th European Signal Processing Conference (EUSIPCO ... elimireduction of signal power (|b| nating the interference Thus, its performance is close to that of the ML estimator The proof of Proposition is given in Appendix B Remar...

Ngày tải lên: 22/06/2014, 19:20

... consider an omnidirectional point source at depth z = zs and range r = which radiates a broadband signal in a shallow water waveguide The acoustic field is sampled by a horizontal line array (HLA) of ... here the example of a particular environmental mismatch: error on water depth estimation for data recorded on a horizontal line array The recorded data are...

Ngày tải lên: 22/06/2014, 23:20

... 2011 Chinaboina & al ● Acoustic Echo Cancellation In Speech Processing convergence speed and relative computational simplicity make the NLMS algorithm ideal for the real time adaptive echo cancellation ... IJRRAS (1) ● April 2011 Chinaboina & al ● Acoustic Echo Cancellation In Speech Processing LMS algorithm is a type of adaptive filter known as stochastic gradie...

Ngày tải lên: 15/01/2015, 18:34

... tần số (rate – drop pacing) tạo nhịp thất có điều chỉnh (managed ventricular pacing) , có sẵn thiết bị lựa chọn Chế độ để giảm thiểu tạo nhịp thất ● Thuật toán tránh tạo nhịp thất: - DDD có AAI, ... viễn: Mode tạo nhịp thích hợp cho bệnh nhân phải lựa chọn • Sự lựa chọn phụ thuộc vào có mặt bất thường cụ thể • Từ loạt chức máy tạo nhịp tim phát triển để...

Ngày tải lên: 22/08/2015, 20:12

... applied in teaching and learning, but the media presentation mode that is best for English listening comprehension remains uncertain, and whether unnecessary information led to cognitive overload for ... because unnecessary multimedia messages may worsen learning performance by increasing working memory load and interrupting information processing (Sweller, 2007) Mult...

Ngày tải lên: 24/02/2014, 18:20

... such tuning Future work points in two directions: first, integrating our methodology into working ISU-based dialogue systems and determining whether or not they improve in terms of standard dialogue ... interesting to investigate the impact of different dialogue and task features for classification and to introduce a distinction between “generic” features that are domain...

Ngày tải lên: 08/03/2014, 04:22

... soil columns to determine the e€ects of sludgeprocessing mode, initial soil pH and soil texture on the short- and long-term mobility of metals and nutrients The sludge products (detailed in Richards ... adjustment in soil pH) and at the end of each cropping cycle Dewatered sludge columns saw pH levels decline somewhat during agronomic Fig Hudson...

Ngày tải lên: 16/03/2014, 00:07