Electrical engineering technologies

... a t e random number i n [ , ) ∗/ double r e t = ( double ) rand ( ) ; return r e t / (RAND MAX+1); } i n t s a m p l e g e o m e t r i c r v ( double p ) { double q ; i n t n = ; { q = rand double ... formatted data and generating a report One of the common formats for interchange of formatted data is ’tab delimited’ where each line corresponds to a single record The individual fields o...

Ngày tải lên: 25/04/2013, 08:07

... Bhat 30.3 University of Tennessee 30.1 Power Supplies DC Power Supplies AC Power Supplies Special Power Supplies University of Victoria Bimal K Bose Power Conversion AC-DC Converters Cycloconverters ... 1987 30.2 Power Conversion Kaushik Rajashekara Power conversion deals with the process of converting electric power from one form to another The power electronic apparatuses...

Ngày tải lên: 19/10/2013, 11:15

Ngày tải lên: 04/11/2013, 10:15

... Ngoc D06K52 Faculty of Foreign Language Ha Noi University of Technology The Situation of Learning English for Electrical Engineering of D06k52 Students in Faculty of Foreign Language, Ha Noi University ... Bich Ngoc D06K52 Faculty of Foreign Language Ha Noi University of Technology Introduction This report discusses the si...

Ngày tải lên: 13/12/2013, 12:15

... coefficients in the same manner as the coefficient of utilization The room position multiplier is a function of the room cavity ratio and of the location in the room of the point where the illumination ... both Reduce the area of high luminance causing the glare condition Increase the angle between the glare source and the line of vision Increase the luminance of th...

Ngày tải lên: 30/12/2013, 22:33

... tensile stress in the x-direction, for example, will strain the lattice in the xy-plane and destroy the three-fold symmetry, thereby lifting the degeneracy of the energy minima However, the four-fold ... permission.) According to the deformation potential theory, the strain will shift the energy of all the states in a given band extremum by the same amount, i.e., the...

Ngày tải lên: 30/12/2013, 22:33

... in the characterization of the latter Some authors choose to discuss the Hall effect in terms of the Hall angle, f, shown in Fig 52.1, which is the angle between the net electric eld and the ... because of the Lorentz force on the conducting charges and is of just such a magnitude that in combination with the Lorentz force there is no net current in the y direction The...

Ngày tải lên: 30/12/2013, 22:33

... superconductor The correlations of the electrons in the superconductor must lower the overall energy of the system or else the material would not be superconducting in the rst place Because the critical ... (53.5) where the left side of the expression is the power owing into the region By taking the time derivative of the energy density and appealing to Faradays an...

Ngày tải lên: 30/12/2013, 22:33

... where G T is the thermal conductance from the element to the environment, t T is the thermal time constant of the element, t E is the electrical time constant of the element, R G is the electrical ... constant, T is the absolute temperature, tand is the dielectric loss tangent of the detector material, C E is the electrical capacitance of the element, and C A i...

Ngày tải lên: 30/12/2013, 22:33