With the ever-accelerating pace of life, people are more eager to easily and quickly communicate with the computer directly. Voice is an ideal human-computer interaction, making it a focus of research in this area. Speech recognition technology application carries out this mission for us.In recent years, speech recognition technology is still mainly based on the
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With the ever-accelerating pace of life, people are more eager to easily and quickly communicate with the computer directly. Voice is an ideal human-computer interaction, making it a focus of research in this area. Speech recognition technology application carries out this mission for us.In recent years, speech recognition technology is still mainly based on the
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Radio reconnaissance signal identification and separation technology is an important research in the field of radio reconnaissance.In this paper,based on the background of radio reconnaissance,first introduced four typical radio detection signals,including LFM signal, NLFM signal, BPSK signal, QPSK signal.Then introduced the typical time-frequency analysis methods, including short-time Fourier transform, Wigner-Ville distribution, Hilbert Huang Transform, Wigner-Hough
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The pathogenesis of the pathological tremor has not been clear, so the tremor can not be proactively prevented and cured thoroughly. For the different etiology and characteristics of tremor, the common therapy including drugs and surgery, can only work on a kind of tremor, and drug therapy often brings varying degrees of side effects. After
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In fact, the amplitude and phase of stator flux can not be obtaining by sampling directly, it usually be calculated indirectly by sampling the factors easily be obtained such as stator voltage, current and speed. Torque is the key quantity of DTC, and it is relate to the stator flux. So, accurate stator flux obtaining
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In fact, the amplitude and phase of stator flux can not be obtaining by sampling directly, it usually be calculated indirectly by sampling the factors easily be obtained such as stator voltage, current and speed. Torque is the key quantity of DTC, and it is relate to the stator flux. So, accurate stator flux obtaining
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In fact, the amplitude and phase of stator flux can not be obtaining by sampling directly, it usually be calculated indirectly by sampling the factors easily be obtained such as stator voltage, current and speed. Torque is the key quantity of DTC, and it is relate to the stator flux. So, accurate stator flux obtaining
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Manipulator is a kind of robot, it can be used in all aspects of social life, such as machine control, explosive assembly, handling or remove, and fire extinguishing, anti-terrorist altitude dangerous applications replace or auxiliary people finish high-risk work, has the important practical significance.Currently, the robot research includes three aspects: Firstly, research in robot kinematics;
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In fact, the amplitude and phase of stator flux can not be obtaining by sampling directly, it usually be calculated indirectly by sampling the factors easily be obtained such as stator voltage, current and speed. Torque is the key quantity of DTC, and it is relate to the stator flux. So, accurate stator flux obtaining
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With the development of the computer technology applied in every aspect in the society, computer has been playing an indispensible role in people’s life. The ability of information processing has been improving so rapidly that it meets people’s needs of listening, speaking, reading and writing. Since the advantages of being simple, direct and easy to
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