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Electric motors and drives : fundamentals, types and applications : 5th ed.

Tác giả: Austin Hughes, Bill Drury

Contents: Electric motors : the basics. Power electronic converters for motor drives. D.C. motors. D.C. motor drives. Induction motors : rotating field, slip and torque. Induction motor : operation from 50/60 Hz supply. Variable frequency operation of induction motors. Field oriented control of ...

Digital signal processing : principles, algorithms, and applications : 4th ed.

Tác giả: John G Proakis, Dimitris G Manolakis

Contents: Introduction; Discrete-time signals and systems; The z-transform and its application to the analysis of LTI systems; Frequency analysis of signals; Frequency-domain analysis of LTI systems; Sampling and reconstruction of signals; The Discrete Fourier Transform: its properties and ...

Voices beginner A1 : student's book with online and student's ebook

Tác giả: Emily Bryson, Gary Pathare

Voices Beginner A1: BRE SB + OLP/EBK CSTM (Vietnam Edition). With Voices, learners use English as a tool for global communication and are encouraged to celebrate connections among people from a wide range of cultures and backgrounds. Carefully sequenced activities featuring real world content fully ...

Voices elementary A2 : student's book with the spark platform

Tác giả: Chia Suan Chong, Lewis Lansford

Voices Elementary A2: Student's Book BRE + OLP/EBK CSTM (Vietnam Edition). With Voices, learners use English as a tool for global communication and are encouraged to celebrate connections among people from a wide range of cultures and backgrounds. Carefully sequenced activities featuring real world ...

Voices intermediate B1 : student's book with the spark platform

Tác giả: Chia Suan Chong, Lewis Lansford

Voices Intermediate B1: Student's Book BRE + OLP/EBK CSTM (Vietnam Edition). With Voices, learners use English as a tool for global communication and are encouraged to celebrate connections among people from a wide range of cultures and backgrounds. Carefully sequenced activities featuring real ...