Báo cáo " Study, Design and Manufacture Microstrip Antenna For Advance Mobile Handsets " potx

... Natural Sciences and Technology 27 (2011) 59-63 59 Study, Design and Manufacture Microstrip Antenna For Advance Mobile Handsets Tran Minh Tuan* National Institute of Information and Communications ... concentrates on studying, designing and manufacturing a dual – band and high – bandwidth antenna applied for advance mobile handsets. This antenna can...

Ngày tải lên: 05/03/2014, 11:21

... Science, Natural Sciences and Technology 26 (2010) 276-280 276 Design dual band microstrip antenna for RFID application Tran Minh Tuan National Institute of Information and Communications Strategy, ... impedance method. We chose dual antenna which operate at 900MHz and 2.45GHz to design, simulate and manufacture. 2. Design and simulation It should be noted that a...

Ngày tải lên: 22/03/2014, 09:20

... a L-band power combiner method using the Wilkinson bridge. This is a modern power combination technique in the microwave technology. The design and simulink of the basic power moduls and Wilkinson ... the L-band transmission. Keyword: Microware, Wilkinson, power combination…. 1. Introduction The assemble of the L-band high-power amplifier is usually difficult, therefore the search...

Ngày tải lên: 22/03/2014, 11:20

... at evaluating sensory properties, and consumer preference for some cheeses sold in Hanoi’s market, and helping cheese manufacturers to understand, control and optimize the sensory characteristics ... product development (Bride R. Mc., 2001). Advances in methodology and the development of integrated experimental design and analysis offer a practical tool for specific use in...

Ngày tải lên: 20/03/2014, 19:20

... the grammar, we need to find ranges for all variables in the clause and for all occurrences of terminals. For convenience, we assume the variables in a clause and the occurrences of terminals to ... righthand side of a clause. We there- fore have passive items [A, φ] where A is a pred- icate and φ a range vector of dimension dim (A) and active items. In the latter, while traversi...

Ngày tải lên: 08/03/2014, 01:20

... used for training, sec- tion 23 for testing and sections 1 and 22 as devel- oping set. We considered a total of 122,774 and 7,359 arguments (from ARG0 to ARG9, ARGA and ARGM) in training and testing, ... same name and we considered only the 18 most frequent roles associated with verbal predicates, for a total of 37,948 arguments. We randomly selected 30% of sentences for t...

Ngày tải lên: 08/03/2014, 21:20

... being tested for their performance with FMA, RadLex and NCI. The observations on the strengths and the weaknesses of these systems will give more insights for the requirements for our system. Other ... on- tologies are the FMA and the Generalized Archi- tecture for Languages, Encyclopedias and No- menclatures for Medicine 11 (GALEN). Both ap- proaches use a combination...

Ngày tải lên: 08/03/2014, 21:20

... the Penn Treebank). PB is a standard corpus for SRL eval- uation and was used in the CoNLL SRL shared tasks of 2004 (Carreras and M ` arquez, 2004) and 2005 (Carreras and M ` arquez, 2005). Most ... separately tuned for each corpus size, and the graph displays the maximum which was obtained for each of the corpus sizes. To better understand our model’s performance, we performe...

Ngày tải lên: 17/03/2014, 01:20

... the Informa- tion State Update approach (Larsson and Traum, 2000) and use Reinforcement Learning for action selection (Sutton and Barto, 1998). The system architecture consists of an Information ... Turn-Action 1 U: inform burger b1 Release 2 S: inform burger have b3 Release 3 U: inform side s1 Keep 4 U: inform drink d1 Keep 5 U: inform burger b3 Release 6 S: inform side have s2 Relea...

Ngày tải lên: 23/03/2014, 16:20

... work well for sibling relations, but not for is-a and part-of. Syntactic features also work well for sibling, but not for is-a and part-of. The similar behavior of contextual and syntactic ... information (Etzioni et al., 2005; Pantel and Pennacchiotti, 2006) and conditional probability (Cimiano and Wenderoth, 2007), have been shown to be ef- fective to rank and se...

Ngày tải lên: 30/03/2014, 23:20