提出用光纤相位传感器代替传统的微音器检测光声信号。
The optical fiber phase sensor is used to replace the traditional microphone to detect photoacoustic signal.
详细分析了同步模式下三相可逆pwm整流控制方法，提出了一种无相位传感器控制策略。
This paper analyses the theory of three phase reversible PWM rectifier and presents a control strategy without phase Angle detection with the process of the design.
通过和有相位传感器以及其他无相位传感器方法实验结果比较，该方案有很好的控制效果。
Through comparing the different ways, the result of waveforms has proved that this control strategy gives good performance.
提出用光纤相位传感器代替传统的微音器检测光声信号，讨论了光纤中光波的相位变化与光声信号的关系。
The optical fiber phase sensor is used to replaces traditional microphone, and the relationship between light phase and photoacoustic signal is discussed.
辅助压力和温度测量让多频相位荧光计是发光探测传感器设计、试和校准的理想选择。
Auxiliary pressure and temperature measurements make the MultiFrequency Phase Fluorometer an ideal choice for luminescence sensor design, testing and calibration.
根据传统光学干涉原理研制出的相位调制型光纤传感器，其突出优点是灵敏度高。
The optic fiber sensors of phase modulation type developed by the interference theory in traditional optics are high sensitive.
在干涉型光纤传感器的实用化设计过程中，相位随机漂移补偿及强信号下出现的倍频的消除是关键问题之一。
During the design of a practical interferometric fiber-optic sensor, one of the key problems is to compensate phase random shifting and eliminate frequency doubling caused by strong signal.
介绍了用相位掩膜方法制作光纤布拉格光栅(FBG)以及镀金的FBG温度传感器。
Fiber Bragg gratings (FBG) prepared in terms of a phase mask technique and the FBG temperature sensor with plating gold were introduced.
本文介绍了一种基于相位转矩测量原理，以磁栅为发讯器的转矩传感器。
This paper presents a torque sensor that was designed on the basis of phase torque measurement and magnetic-grid signal generator.
这里研究用两种不同的方法在光纤传感器系统来观察这样的条纹图样，即光谱域处理方法和相位域处理方法。
There are two distinct methods in optical fiber sensor system for the observation of such fringe pattern and these can be identified as spectral domain processing, and phase domain processing.
本文描述了基于相位测量有源三角测量技术的声光(AO)固体光学位置传感器。
An AO solid optical range sensor based on phase-measuring active triangulation technique is described.
研制了一套相位光栅型波前曲率传感器。
The wavefront curvature sensor comprising a phase defocus grating is designed and fabricated.
然后针对每个传感器，根据其各频率波束形成加权向量，采用约束优化方法，设计出具有要求幅度和相位响应的FIR滤波器。
Then, the BCBB is implemented by a set of FIR filters corresponding to the input channels, which provides the frequency response derived from BCBB weights for each sensor.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
光纤法布里-珀罗传感器是光纤传感器的一个重要分支，其解调主要采用强度解调法和相位解调法。
The fiber Fabry-Perot sensor is an important branch of optical fiber sensors, which mainly USES intensity demodulation and phase demodulation.
采用磁栅转矩传感器和一种新的微机辅助相位差检测方法，研制了一套新型动态转矩测量系统。
Based on the magnetic grid torque transducer and a new computer aided method to measure phase difference, a new measuring system for dynamic torque is developed.
这些公式包容了传感器内的各种光学元件对双频左、右旋圆偏振激光束的相位延迟和偏振态改变。
These formulas cover all informations of phase delay and change of polarization states for these beams caused by all optical elements in the sensing system.
建立了基于多传感器系统的测量模型，并分析了步态相位关系。
The multi-sensor based measure model is established in this paper and the gait phase is analyzed.
提出用频率、幅值和相位均按照随机游动模型变化的信号来描述科氏流量传感器的输出信号。
A signal whose frequency, amplitude and phase are time-varying based on the random walk model is presented to describe the sensor output signal of Coriolis mass flowmeter.
否则，传感器电容和放大器的输入偏置电流电阻，对仪表放大器的信号施加相位偏移。
Otherwise, the sensor's capacitance and the amplifier's input-bias-current resistors impose a phase shift on the signal you apply to the instrumentation amplifier.
实验表明，该传感器相位移动小，干扰噪声抑制能力强，响应速度较快；
Experiments showed that it has many advantages, such as small phase displacement, high noise suppression capability, rapid response speed and high accuracy.
系统研究了各种光波调制传感器，重点研究了光相位调制传感器。
Kinds of optical modulation sensors, especially lightwave phase modulation sensors are studied.
提出一种用相位角预测的方法实现逆变器和变流器死区时间的补偿，从而可省去电流传感器。
In this paper, a new method is proposed to compensate dead time using phase Angle prediction, and current sensor can be omitted.
混合集成光学加速度计是一种实用型的实时加速度传感器，在信号处理过程中采用了光相位调制和交流相位跟踪零差补偿技术(PTAC)。
The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).
对适用于干涉型光纤水声传感器阵列的PGC（相位载波）调制—解调单元光纤水声传感器进行了研究，分析得出了光纤水声传感器PGC检测新的带宽要求；
This paper presents the research on the interferometric fiber-optic sensor's PGC scheme which is suitable for the construction of the acoustic sensor array.
两路相位信号（来自一次仪表的左右传感器）的处理电路完全一样，此外还必须引出相位超前的第三路相位信号，其作用在于提醒MCU相位信号即将到达。
The third branch processes phase signal to make it precede the arrival of the other two ones. The function is to warn MCU of the arrival of right and left phase signals.
该种信号发生器主要用于模拟科氏质量流量计传感器产生两路相位差可调的正弦信号，测试表明：其输出波形好，相位差精度高。
It produces two channels sine signals of which phase difference is adjustable to simulate the CMF sensor output with good wave outputting and high precise phase difference approved by test.
利用光纤在流体中光的强度、相位、频率等受流量调制的特性，在传统流量传感器的基础上，可以制得新型的光纤流量传感器。
Based on the traditional flowmeter , a new type flowmeter is fablicated utilizing the features of the fiber2optic in fluid , in which the amplitude , phase or frequence of the light may be modulated.
选择合适的滤波函数是瞳面相位差波前传感器成功实现的关键。
An appropriate filter function is the key to successful wavefront retrieval for the wavefront sensor based on pupil phase diversity.
选择合适的滤波函数是瞳面相位差波前传感器成功实现的关键。
An appropriate filter function is the key to successful wavefront retrieval for the wavefront sensor based on pupil phase diversity.
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