dual tone multi frequency applications

Ngày tải lên: 01/01/2014, 18:08

Ngày tải lên: 22/06/2014, 01:20

... are mutually orthogonal. In other words, the frequency response of the channel for different frequency bins is independent. For a pure tone signal of frequency the output of random channel is: The ... University Blacksburg, Virginia Multi- Carrier Digital Communications: Theory and Applications of OFDM Ahmad R. S. Bahai and Burton R. Saltzberg Principles of Digital Transmission: With Wireless Applications Sergio ... techniques were being introduced into the design of Multi- Carrier Digital Communications Theory and Applications of OFDM System Architecture 27 complex multiplication is performed before the add-subtract...

Ngày tải lên: 02/03/2013, 16:58

... dwelling unit building. OmniReach ™ FTTX Solutions Multi- Dwelling Unit Applications Fiber-to-the-X (FTTX) network applications increasingly include Multi- Dwelling Units (MDUs) as part of the network ... locations, please refer to our web site. OmniReach ™ Solutions for MDU Applications OmniReach ™ FTTX Solutions Multi- Dwelling Unit Applications Central Office Head End Businesses Residential High Rise MDU Medium ... populated MDU applications (i.e. apartments, town homes, campuses). ADC OmniReach™ Solutions for MDU applications provide high performance interconnection of fiber cables and equipment at multiple...

Ngày tải lên: 10/12/2013, 18:15

... as with other citations in the repository entry. 1039 A Procedure for Multi- Class Discrimination and some Linguistic Applications Vladimir Pericliev Institute of Mathematics &: Informatics ... speech pathology. 1 Introduction A common task of knowledge discovery is multi- ple concept learning, in which from multiple given classes (i.e. a typology) the profiles of these classes are ... contrasts, as follows: ~The profiling of multiple types, in actual fact, is a generic task of knowledge discovery, and the program we describe has found substantial applications in areas outside of...

Ngày tải lên: 08/03/2014, 06:20

... three aspects of multi- way analysis. The primary objective is to show successful applications which might give clues to where the methods can be useful. However, as the field of multi- way analysis ... 1985). The most Multi- way models 56 Multi- way models 24 = A C B = + a 1 c 1 b 1 a 2 c 2 b 2 x_ Figure 4. A two-component three-way PARAFAC model of the three-way array X (residuals omitted for ... specific chemical problem. 3.7 MULTILINEAR PARTIAL LEAST SQUARES REGRESSION There are several approaches to calibration when using multi- way methods. The standard multivariate two-way approach...

Ngày tải lên: 31/03/2014, 22:20

... +(y+z). ? Dependent and independent sets in a linear space 11 multiple of x1, say y1 = clxl and yZ = cZxl, where c, and c2 are not both 0. Multiplying y1 by c2 and y, by c1 and subtracting, ... In each case determine whether or not S is a linear space with the operations of addition and multiplication by scalars defined as indicated. If the set is not a linear space, indicate which ... nonempty subset of V. If S is also a linear space, with the same operations of addition and multiplication by scalars, then S is called a subspace of V. The next theorem gives a simple criterion...

Ngày tải lên: 12/06/2014, 16:22

Ngày tải lên: 19/06/2014, 23:20

... 9703 (Data Sheet). URL: multimedia.3m.com/mws/mediawebserver?mwsId=66666UuZjcFSLXTtnxf VM xz 6E VuQEcuZgVs6EVs6E666666– 28 Advanced Radio Frequency Identification Design and Applications unbalanced ... aluminum plate behind the tag antenna and the reader antenna 24 Advanced Radio Frequency Identification Design and Applications the tag in each location on the wine bottle is tested and the optimum ... 38, No. 10, pp. 1602–1608, Oct. 2003. [15] Leong, K. S. (2008). Antenna position analysis and dual- frequency antenna design of high frequancy ratio for advanced electronic code responding labels,...

Ngày tải lên: 19/06/2014, 23:20

... the fabricated fractal loop antenna. Advanced Radio Frequency Identification Design and Applications 42 (a) Frequency (MHz) (b) Frequency (MHz) Fig. 20. Measured RL for the fabricated ... of impedance 50Ω. These dipoles are designed at resonant frequency of 900 MHz. Advanced Radio Frequency Identification Design and Applications 44 Fig. 22. Return loss of the two loop ... Advanced Radio Frequency Identification Design and Applications 34 Read Range (m) Gain (dBi) Impedance (Ω) RL (dB) f r...

Ngày tải lên: 19/06/2014, 23:20

... characteristics of frequency responses and directivity feature of radiation patterns and polarization are studied and presented. Advanced Radio Frequency Identification Design and Applications ... no. 10, pp. 1602-1608, Oct. Advanced Radio Frequency Identification Design and Applications 62 K. Finkenzeller, RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and ... Hilbert-curve is excited Advanced Radio Frequency Identification Design and Applications 68 Fig. 7. Current distributions Fig. 8. Electric fields 2.5 Applications The maximum activation...

Ngày tải lên: 19/06/2014, 23:20

... increase the resistance. Frequency ：953MHz ・Thickness : 4mm ・Read range ：13m ・Commercial products Frequency ：915MHz ・Thickness : 0.25mm ・Read range ：5m ・Researching Frequency ：953MHz ・Thickness ... Hawaii. [31] Kin, S.L.; Mun, L.N. & Cole, P.H. (2007). Miniaturization of Dual Frequency RFID Antenna with High Frequency Ratio. Proceeding of IEEE Int. Symp. Antennas and Propag., Vol. 9, ... (3.15) To clarify the frequency dependence, we divide the numerator and denominator of Eq. (3.15) by λ 2 and obtain Advanced Radio Frequency Identification Design and Applications 74 [13]...

Ngày tải lên: 19/06/2014, 23:20

... α. The two solutions are Advanced Radio Frequency Identification Design and Applications 94 314.6 314.8 315.0 315.2 315.4 1.0 1.5 2.0 2.5 3.0 VSWR Frequency [MHz] 0.30 MHz 0.30 MHz Simu Meas ... frequency changes and L and d are changed analogously, R l becomes inversely proportional to √λ. The most effective way to reduce R l is to increase W or d. 0 1 2 3 4 5 6 7 0.1 1 10 Frequency ... Design of a Very Small Antenna for Metal-Proximity Applications 103 operating frequency of 953 MHz is selected, and antenna sizes of 0.03λ–0.05λ are considered....

Ngày tải lên: 19/06/2014, 23:20

... Advanced Radio Frequency Identification Design and Applications 124 and δ = 1.54 mm. For a 5% reduction in the overall size of the particle, a 100 MHz increase in resonant frequency has been ... range superior to that of conventional tags has been achieved. Advanced Radio Frequency Identification Design and Applications 128 6. Future work Many different future topics of research ... particle by 0.8, every dimension of the particle is reduced by Advanced Radio Frequency Identification Design and Applications 114 [19] http://www.mightycard.co.jp/ [20] W.G. Hong, N. Michishita...

Ngày tải lên: 19/06/2014, 23:20

... standard (EPCglobalGen1, 2002). 164 Advanced Radio Frequency Identification Design and Applications Advanced Radio Frequency Identification Design and Applications 154 M. Glickstein (2006), Firewall ... voltage conversion model for multi- stage rectifiers in UHF RFID transponders, Journal of Semiconductors 44(2): 354–370. 168 Advanced Radio Frequency Identification Design and Applications Fully Printable ... negative. It was hypothesized that this resulted from residual charge residing in the charge pump 162 Advanced Radio Frequency Identification Design and Applications Another way to identify problem areas...

Ngày tải lên: 19/06/2014, 23:20

... communication messages in the 180 Advanced Radio Frequency Identification Design and Applications which can be used to find RFID-tagged objects is one of the promising applications of RFID technology. For ... do not respond to the request of a reader. 182 Advanced Radio Frequency Identification Design and Applications Part 2 Advanced RFID Applications be an interesting work to design an RFID tag search ... as a secure memory to store a secret key on a tag. It will 186 Advanced Radio Frequency Identification Design and Applications secret value. Therefore a reader should store two secret keys of...

Ngày tải lên: 19/06/2014, 23:20

... the small recognition 200 Advanced Radio Frequency Identification Design and Applications Fig. 2. The concept of the RFID tag floor localization method with multiple recognition ranges. Define a set ¯ Q ... Position Estimation of the RFID Tag Floor Localization with Multiple Recognition Ranges Advanced Radio Frequency Identification Design and Applications 208 localization method, the tag arrangement ... experimental results. And we extend the error bound to the multiple recognition range case. 204 Advanced Radio Frequency Identification Design and Applications Fig. 12. The recognition patterns of a...

Ngày tải lên: 19/06/2014, 23:20

... from the actual mobile Advanced Radio Frequency Identification Design and Applications 220 Finkenzeller, K. (2000). RFID handbook: Fundamentals and Applications, Wiley. Kubitz, O., Berger, ... constant source current of 1 amp-turn was defined. The individual turns of transmitting coil wires need not be modeled, provided the individual wire size is small compared to the coil diameter and ... The tags and readers employ frequency- shift keying (FSK) between 123 kHz and 134 kHz to transmit the tag’s data to the reader. Fig. 2. Two examples of the low -frequency passive tags. The...

Ngày tải lên: 19/06/2014, 23:20

Ngày tải lên: 19/06/2014, 23:20