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A surface-flashover trigger vacuum switch (TVS) was developed to satisfy the stability and high temperature (above 120 degrees) working environment requirements for the discharge switch. Compared with the self-breakdown gas switch, TVS can greatly improve the working life and stability of the whole device. In this paper, TVS was designed with multi-rod electrode system to improve the ability of current...
<?Pub Dtl?>Considering the tradeoff between efficiency and output ripple over a wide load range, a monolithic dc–dc buck converter with switch-on-demand modulation (SODM) and switch size control (SSC) is presented in this paper. SODM achieves a hybrid mode of pulse skip and pulse width modulation (PWM) without mode detection circuit. The converter's on time is adaptively adjusted with the load...
Ambiguous words refer to words that have different meanings such as apple, window, etc. In text classification they are usually removed by feature reduction methods like information gain. Sometimes there are too many ambiguous words in the corpus that we cannot simply throw them away, especially when classifying documents from the Web. In this paper we look for a method to classify titled documents...
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