lock-in amplifier的意思|示意

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[电子] 锁定放大器


lock-in amplifier的网络常见释义

锁定放大器 ...器的设计 关键词:多抽样率;锁定放大器;数字滤波器;抽取滤波器 [gap=682]Key words:multisampling; the Lock-in amplifier; digital filter; decimation filter ...

放大器 目前在微弱信号检测中,应用较广泛的是锁定放大器(Lock-in amplifier,LIA),它具有极强的抗噪性能.

锁相放大 当 SQUID 测量磁场时,工作点会受外来磁场的影响而偏离原位置,而SQUID 电压讯号经锁相放大(lock-in amplifier)反馈磁通于 SQUID,使 SQUID 保持在原工作点。

锁相放大器 Microsoft Word - 33.doc 关键词:微弱信号检测;矢量测量;锁相放大器; [gap=603]Key words: Weak Signal Detection; Vector Measuring; Lock-in Amplifier;

lock-in amplifier相关短语

1、 Lock in amplifier 锁相放大器 ; 锁定放大器 ; 锁定放年夜器

2、 lock-in-amplifier 锁定放大器

3、 Precision Lock-in Amplifier 锁相放大器 ; 精密锁相放大器

lock-in amplifier相关例句

By narrowing the bandwidth of the signal and amplifying it by a lock-in amplifier, the fluctuating components of the signal can be shown on an oscillograph with lock-in amplifier.

锁相放大技术对被测信号进行窄带放大,锁相放大器结合示波器输出了被测信号的周期变化部分,实现了光热法测量中微弱信号的测量。

In this paper, we reported a measuring system of spectral response for silicon solar cell with lock-in amplifier and spectroscopic and show its testing result.

文章介绍了用分光光度计、精密锁相器等制作的太阳电池光谱响应测量系统的方法及测量结果。

The optical signal was amplified by a lock-in amplifier.

光信号用锁定放大器放大,进行动态测量。

By using a double phase lock in amplifier to measure the AC strain, the measurement error can be decreased to 0.4% of the total measurement range.

如果使用双相位锁相放大器测量交变的被测量,误差将减小到全量程的0.4%以内。

For the signals are very weak, the lock-in amplifier is employed to extract the signals in the circuit design. It can inhabit the noise in the most and maximize the signal-to-noise.

在电路设计上采用锁相放大器来提取微弱信号,最大限度的抑制噪声,提高系统的信噪比。

A lock-in amplifier is used to supply the driving signal and to detect the output signal corresponding to the sample's strain.

使用锁相放大器提供驱动信号,并同时检测对应于样品形变的输出信号。