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。
Voltage gain is a important technical index in amplifier.
电压放大倍数是放大电路的一个重要的技术指标。
Mainly used in amplifier, optical receiver and optical emitter.
主要用于放大器、光接收机、光发射机。
Its signal magnifying and processing achieved by lock-in amplifier.
它的信号放大、处理主要由锁相放大器完成。
Don't try to drive one with your in-dash receiver's built-in amplifier.
不要设法驾驶一与您的在破折号接收器的固定放大器。
Used lock-in amplifier SR844 for hardware phase detection and compared with software detection.
利用锁相放大器SR844对产生的信号进行模拟鉴相，并同软件鉴相结果比较分析；
The built-in amplifier features a massive power supply, enabling it to deliver really huge effects.
内置的扩音器需要一个巨大的电源，才能发挥出真正巨大的效果。
We use the principle of lock - in amplifier to amplify the weak singal and send it to A/ D conversion properly.
为将接收二极管上的微弱信号送到A／D转换器处理，采用锁定放大原理设计接收信号的调理电路。
The mix-lookin detection technique for high frequency signal measurement with low frequency look-in amplifier is presented.
本文提出一种利用低频锁相放大器测量高频信号的混频-锁相检测技术。
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。
It USES a lock-in amplifier for testing the signal and a personal computer for automatic data scanning, collecting and processing.
利用锁相放大器追踪测量信号，微机自动扫描、采集和处理数据。
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。
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。
A measurement system for gas dynamic concentrations based on TDLAS was constructed by using an auto-balanced photo receiver and a digital lock-in amplifier.
基于自平衡激光接收器和数字锁定放大器构造了TDLAS汽车尾气动态浓度测量系统。
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 latter one was chosen to realize the main amplifier in our design since it has the features of simple topology, few external components and fast responsibility.
由于限幅放大器具有设计简单、功耗低、芯片面积小和外接元件少的优点，本文选择限幅放大器的形式来实现光接收机的主放大器。
For improving the anti-interference ability of the amplifier, the Differential Mode input with high common mode restraining technology is adopted in amplifier circuits.
为提高放大器的抗干扰性能，放大器电路采用共模抑制能力很强的差模输入方式。
This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
This paper reports a technique used lor improving the stability of the laser probe consisting of an acoustooptic modulator, an analogue divider and an auto-lock-in amplifier.
本文介绍了一种用声光调制器、模拟除法器和自动锁相放大器来改进激光探针测试系统稳定性的方法。
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。
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。
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
根据磁机械耦合系数的测量原理，利用锁相放大器建立了磁机械耦合系数测量系统，并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
The amplifier exploded in a fountain of sparks.
放大器爆炸，喷射出火星。
Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗，可在某个较大型输出电源关闭后保持更高的效率。
When supply modulation and contour modulation are working in concert, the dynamic range and efficiency of the power amplifier can be further improved.
当电源调制和轮廓调制协同工作时，功率放大器的动态范围和效率可以进一步提高。
The Internet has proved a powerful amplifier of public scepticism in China, especially since Twitter-like services began to take off a couple of years ago.
在中国，互联网已成为一个强有力的公众怀疑论的放大工具，尤其是两年前，类似Twitter的网络服务蓬勃发展起来。
There's even a program that lets you plug in your electric guitar and have the iPhone replicate an amplifier.
甚至有一款软件能让iPhone连上电吉他从而替代扩音器。
“The camera has a built-in optical image amplifier that overcomes the tradeoff between sensitivity and speed, ” he said. “It could be especially useful for microscopy.
“这个相机内置了一个光学图像放大器，解决了灵敏度和拍照速度之间的权衡问题，”他说，“它在显微技术上会特别有用。
Think about buying an aerial with a built-in signal amplifier, especially if the television set is more than 20 feet (six metres) away.
特别是如果电视机与天线距离超过超过20英寸(6米)，就得考虑买一个内置信号放大器的天线。
Think about buying an aerial with a built-in signal amplifier, especially if the television set is more than 20 feet (six metres) away.
特别是如果电视机与天线距离超过超过20英寸(6米)，就得考虑买一个内置信号放大器的天线。
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