• By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy-saving result is achieved.

    变频调速技术通过改变电动机工作电源频率调节电机转速,消耗电能风量大小而变,具有显著节能效果。

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  • This system senses the amount of rainfall by the infrared rain sensor, and adjusts the speed of wiper based on the fuzzy control algorithm and pulse width modulation technology.

    系统通过红外雨量传感器检测雨量大小,使用模糊控制算法调制技术调节雨刷速度;给出了系统的总体结构和具体设计方法。

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  • As the core mobile communications technology, one of the digital modulation technique is to achieve high-speed, highly efficient mobile communication system and an important guarantee.

    作为移动通信核心技术之一数字调制技术实现高速高效的移动通信系统的重要保证。

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  • Proved by the theoretic deriving and simulation result, the COFDM modulation technology is well suitable for high voltage PLC with a high transmission speed, low BER and high reliability.

    理论推导仿真结果表明COFDM调制技术适合高压电力线载波通信中使用,明显的提高数据传输率的同时降低误码率增强系统可靠性

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  • The theory of AC frequency modulation for motor speed regulation technology, its applied procedure and actual effect in dedusting fan of converter are stated.

    介绍了交流变频调速技术原理转炉除尘风机上的实施过程使用效果

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  • This dissertation adopt the high speed 64qam modulation and demodulation technology.

    系统采用高速高效的QAM调制解调技术

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  • As the core mobile communications technology, one of the digital modulation technique is to achieve high-speed, highly efficient mobile communication syst and an important guarantee.

    作为移动通信核心技术之一数字调制技术实现高速高效的移动通信系统的重要保证。

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  • The average flux of the PWM high-speed on-off valve are regulated by the Pulse-Width Modulation theory and it is easy to combine the computer and hydraulic control technology.

    高速开关采用调制(PWM)原理控制平均流量,极易实现计算机控制技术液压技术的有机结合

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  • The average flux of the PWM high-speed on-off valve are regulated by the Pulse-Width Modulation theory and it is easy to combine the computer and hydraulic control technology.

    高速开关采用调制(PWM)原理控制平均流量,极易实现计算机控制技术液压技术的有机结合

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