6.4.1 电调衰减器electrically-contrlled attenuator 6.4.2 衰减精度attenuation precision 对于本规范而育，响应时间被定义为上升时间和下降时间之和，即响应时间=ti+tf． ..
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本实用新型操作简易，系统闭环控制，可靠性高，衰减精度高。
The utility model has simple operation, system sealing ring controlling, high reliability and high attenuation preciseness.
该系列产品具有频率范围宽、驻波系数低、衰减精度高、体积小、功率大、抗烧毁性能好等特点。
The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.
并采用滤除衰减直流分量的傅氏算法，提高了数据精度、简化了硬件电路。
The decaying DC component is filtered in the Fourier algorithm, which improves data precision and simplifies hardware circuits.
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