design of commutator of dc machine

Ngày tải lên: 23/03/2014, 22:21

... composed of a layer of material with a series of precise slots, blocking light in certain direction using strips of black mask. The left and right views are represented by a different set of pixels. ... performance of the visual system. It is assumed to be a subjectively and objectively measurable criterion that is of particular value of ascertaining long- term adaptive processes of the visual ... Principle of line interleaved display 135 Figure 8-2 : Schematic diagram of four different 3D video format: (a) Side-by-Side with each view of 940x1080 pixels, (b) Top-and-Bottom with each view of...

Ngày tải lên: 16/03/2014, 17:20

... a part of speech on the basis of the part -of- speech implications of the affixes and the length of the remaining kernel. An accuracy of 95 per cent is achieved from the point of view of inclusive ... 90-95 per cent of the cases from the point of view of in- clusive part of speech, with something less than 5 per cent variation, depending on whether part of speech implications of affixes are ... loss from the point of view of inclusive part of speech. Rule A, it will be remembered, requires the removal of affixes from the kernel of the word. If this kernelizing of the word is omitted,...

Ngày tải lên: 16/03/2014, 19:20

... rice left. (không phải là: There is not much of rice left.) A lot of - lots of Không có sự khác nhau nhiều giữa a lot of và lots of. A lot of và lots of đều mang tính chất thân mật, suồng sã, ... credit cards. A large amount of, a great deal of , a large number of Cách diễn đạt này mang tính tương đối trang trọng. Sau A large amount of và a great deal of là danh từ không đếm được. ... Không có sự khác nhau nhiều giữa a lot of và lots of. A lot of và lots of đều mang tính chất thân mật, suồng sã, đứng trước danh từ không đếm được, danh...

Ngày tải lên: 02/04/2014, 13:20

... and Quality of Life Outcomes Open Access Research A predictive model of Health Related Quality of life of parents of chronically ill children: the importance of care-dependency of their child ... parental HRQOL of caregivers of chronically ill childrenFigure 2 Modified final model of predicting parental HRQOL of caregivers of chronically ill children. BioMed Central Page 1 of 9 (page number ... Quality of life in parents of chronically ill children: standardized Regression Coefficients and Percentage of explained variance of the modified model. The model explains 21% and 20% of the...

Ngày tải lên: 18/06/2014, 19:20

... Quality of Life Outcomes 2010, 8:100 http://www.hqlo.com/content/8/1/100 Page 6 of 11 21. Julkunen J, Ahlstrom R: Hostility, anger, and sense of coherence as predictors of health-related quality of ... the increase in explanation of variance by the characteristics of the disease. The relevance of this block of variables is mainly due to the doctor facilitation scale of the PICS: patients who ... psychosocial aspects of the HRQOL, while the aspects of the physician-patient relationship are important for all domains of the HRQOL. The con- firmation of the significance of anger and cynicism...

Ngày tải lên: 20/06/2014, 16:20

... definitions of positive and negative semicycles of a solution of (1.5) relative to an equilibrium point ¯ x. A positive semicycle ofasolution{x n } of (1.5) consists of a “string” of terms {x l , x l+1 , ... the asymptotic behavior of solutions of (1.3). Figure 3.1 visualizes the regions for the different asymptotic behavior of solutions of (1.3). 3.2. Rate of convergence of period-two solutions. ... different asymptotic behavior of solutions of (1.2). Figure 2.1 visualizes the regions for the different asymptotic behavior of solutions of (1.2). 3. Rate of convergence of x n+1 = (px n + x n−1 )/(qx n +...

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 12/07/2014, 06:00

Ngày tải lên: 27/07/2014, 15:21

Ngày tải lên: 07/08/2014, 08:22

Ngày tải lên: 07/08/2014, 15:23

Ngày tải lên: 09/08/2014, 04:21

Ngày tải lên: 09/08/2014, 18:22

Ngày tải lên: 13/08/2014, 08:20

... already mentioned, DC machines used to be in the past the major source of DC power. In order to produce electric power DC machines were operated as generators. Nowadays, however, use of DC generators ... Engineering  E Levi, 2001 1 STEADY STATE OPERATION OF DC MACHINES 1. INTRODUCTION Electric DC machines, as indeed any other type of electric machine, can be used to either produce electric energy ... more rare. DC power is obtained instead by means of power electronic converters. The remaining applications of DC machines are today restricted to motoring. In this operating regime a DC machine...

Ngày tải lên: 17/12/2013, 14:15

... shows the relative importance of the various kinds of data written to disk, both in terms of how much of the live blocks they occupy on disk and in terms of how much of the data written to the log ... the utilization of the segment. We used the most recent modified time of any block in the segment (ie. the age of the youngest block) as an estimate of how long the space is likely to stay free. The benefit of ... addresses of the first ten blocks of the file; for files larger than ten blocks, the inode also contains the disk addresses of one or more indirect blocks, each of which contains the addresses of more...

Ngày tải lên: 12/09/2012, 15:05

Ngày tải lên: 05/09/2013, 16:10

... small percentage of the 214 DESIGN AND IMPLEMENTATION OF FIR FILTERS 5 Design and Implementation of FIR Filters A filter is a system that is designed to alter the spectral content of input signals ... simple filters, the design of more complicated filters requires the use of sophisticated techniques. A number of computer-aided design tools (such as MATLAB) are available for designing digital ... 10, l  0, 1, , 20. The transfer function of the designed causal filter is B H z  20 l0 b H l z À1 : Example 5.7: Design a lowpass filter of cut-off frequency ! c  0:4p with filter length...

Ngày tải lên: 23/10/2013, 22:15