虽然本书的重点是直流测量，但是要分析噪声和仪器响应速度的问题，就需要简单地讨论一下电子电路中时间和频率的关系。
Although this handbook stresses DC measurements, an analysis of noise and instrument response speed requires a brief discussion of time and frequency relationships in electronic circuits.
先进的电子设计提供了诸如操作许多功能，从5月26日伏直流电源，短路保护，输出和EMI噪声阻力。
Advanced electronic design offers many features such as operation from 5-26 volts DC power, short circuit protected outputs, and EMI noise resistance.
提出了将控制光脉冲加上直流基座有效地抑制DLOB中噪声的技术方案。
Brings forward a technical scheme to suppress the noise in DLOB by adding base onto control light pulse.
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