相位调变遥测系统(调频调相) phase modulated telemetering system 相位调变产生器 phase modulation generator,PMG 相位调变记录 phase modulation recording ..
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The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
系统采用直接数字合成(DDS)技术构建正弦波发生器,实现幅值、频率、相位等连续调节;
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