1) direct current zero frequency drift
直流零漂
2) DC drift
直流漂移
1.
The effects of the DC drift to the PGC demodulation results are analyzed theoretically in detail,and a method is proposed to eliminate these effects in the real digital PGC demodulation scheme.
在实际的相位生成载波(简称PGC)解调输出中,直流漂移会使解调结果产生失真。
2.
DC drift of inverters output voltage is introduced by drift and characteristic asymmetry of isolation section and power devices, and sinusoidal pulse width modulation (SPWM).
逆变器中的隔离环节、各功率器件等存在漂移和特性不对称以及正弦脉宽调制(sinusoidal pulse width modulation,SPWM)都会引起逆变电源输出电压的直流漂移。
3) DC-offset
直流漂移
1.
The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
该可编程增益放大器采用源极反馈电阻可变的差分放大器结构,且带有直流漂移校正电路。
2.
A DC-offset cancellation scheme in a 5GHz direct-conversion receiver compliant with the IEEE 802.
11a无线局域网的5GHz直下变频接收机解决直流漂移的方法。
4) DC offset
直流漂移
1.
DC offset caused by nonlinearity and imbalance in the circuits,as well as IM2distortion caused by RF leakage into the LO port,is the major problem for the direct conversion transceiver.
由电路的不平衡和非线性引起的直流漂移 (DC offset)及混频器 RF信号泄漏引起的二阶互调干扰 (IM2 )是零中频接收机存在的一个主要问题 ,由于低频干扰信号 IM2的带宽与射频信号的幅度调制特性有关 ,因而很难通过固定的滤波器移除。
5) zero sequence DC
零序直流
1.
Study on fault location based on zero sequence DC
基于零序直流原理的电缆测距研究
2.
With the principle of zero sequence DC selective leakage protection,the selectivity of B3Ⅱ-1A leak - hunting relay made in USSR is studied.
运用零序直流选择性漏电保护原理,对苏联研制的B3Ⅱ-1A型检漏继电器的选择特性进行理论研究。
6) galvanometer drift
检流计零点漂移
补充资料:零漂
分子式:
CAS号:
性质:仪表在参比工作条件下,对一个恒定的输入在规定时间内的输出变化称为点漂。而零点漂移则为测量范围的下限值上的点漂。零点漂移也称为零漂。
CAS号:
性质:仪表在参比工作条件下,对一个恒定的输入在规定时间内的输出变化称为点漂。而零点漂移则为测量范围的下限值上的点漂。零点漂移也称为零漂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条