A method of implementing digital lock in amplifier with DSP (digital signal processor) and sampling ADC (analog digital converter) is discussed.

探讨了用DSP(数字信号处理器)和采样adc(模数转换器)实现数字锁定放大器的一种方法。

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Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.

设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。

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In the new scheme proposed, the phase lock loop is avoided and the digital logical circuit is used.

该方案利用信号自身的特性，采用数字逻辑设计，有效避免了性能不高的锁相环的使用。

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It will try to lock up digital ID in much the same way, he argues.

FORBES: Where Everybody Knows Your Name

One such transceiver was found in Higazy's digital combination lock safe, along with his passport and a copy of the Koran, the Islamic holy book, the agents said.

CNN: Egyptian man near WTC on Sept. 11 charged

Just as music and movie companies cannot easily lock down the digital security of their intellectual properties in the great moving tide of bits, we as individuals have lost the lockdown control of our identities that people took for granted 20 years ago.

ENGADGET: Editorial: We, the digitally naked