Frequency sensitivity mechanism and the sensing principle of vibrating wire sensors are developed and analyzed in theory.
分析振弦式传感器的频率敏感机理,理论上说明这类传感器的传感原理。
The invention relates to a method and a device for demodulating a frequency domain fiber grating sensing network.
本发明涉及一种频域光纤光栅传感网络解调的方法和设备。
The phase frequency detector adjusts the minimum pulse width of the one or more output signals using the temperature sensing circuit to compensate for temperature variations.
相位频率检测器用温度感测电路调整一个或更多个输出信号的最小脉冲宽度从而补偿温度变化。
According to some embodiments of the present invention, a phase frequency detector includes a temperature sensing circuit.
依照本发明的某些实施例,相位频率检测器包括温度感测电路。
The heterodyne detection is used to detect the output signal frequency difference between the reference arm and sensing arm, which is caused by the temperature variation.
外差探测用来探测传感臂和参考臂由于温度变化引起的输出信号的频率差异。
Relationship between the linear acceleration and the resonant frequency of the sensing unit was deduced and the finite element method was used to simulate the correctness of the theory.
通过理论计算,得出了线加速度与敏感元件谐振频率之间的关系,并通过有限元软件对其进行了仿真计算。
Low frequency noise is one of the most important factors in infrared detectors for space remote sensing applications.
红外探测器的低频噪声是制约器件能否应用于空间遥感的关键因素之一。
The operating principle and structure design of the sensing probe of the FBG geophone are explained in detail. We reckon the sensitivity and frequency characteristic of the sensing probe.
设计了一种新型布拉格光纤光栅地震检波器探测系统,分析了其设计原理、结构组成,给出了探测系统的灵敏度和频率特性参数。
This is the first research on the evaluation model of the level of urban greening characterized by frequency curve of green rate with the technique of aerial remote sensing and computers.
本文首次探讨并提出了应用航空遥感和计算机技术建立以绿化覆盖率频数曲线为特征的城市绿化水平评估模式。
Spectrum sensing technology is a key component of cognitive radio whose function is to find out the empty frequency bands quickly and reliably.
频谱检测是感知无线电的关键技术之一,要求感知用户可靠、快速地检测频谱空洞。
The smoothness constraint method of image restoration in frequency domain and its practical application in the remote sensing field are emphasized.
重点研究了频域平滑约束复原方法以及该方法在遥感领域中的实际应用。
An effective denoising method on the frequency space is presented according to the characteristics of remote sensing images.
针对遥感图像的特点,给出了一种有效的基于频域的去噪方法。
A wavelet packet frequency-shift algorithm for remote sensing image fusion was introduced to solve the problem of serious frequency aliasing caused by dyadic-down sampling.
在基于小波包的遥感图像融合应用中,引入用于调整小波包分解频率顺序的小波包移频算法来解决由于间隔采样而导致的频带混叠现象。
In addition, an adjustable resistor is connected in series in the series loop of the sensing unit and the inclusive unit to realize the fine regulation to the power frequency impedance.
此外在所述感性单元和容性单元的串联回路中串入一可调电阻,实现对工作频率阻抗的精细调整。
Based on the phenomenon of the frequency shift in Brilluion back-scattering light related to the strain of the optical fiber, a new strain sensing scheme is proposed.
根据光纤中的布里渊散射附加频移与光纤所受的拉伸应变有关的特性,推导了附加频移与应变间的线性关系。
Based on the phenomenon of the frequency shift in Brilluion back-scattering light related to the strain of the optical fiber, a new strain sensing scheme is proposed.
根据光纤中的布里渊散射附加频移与光纤所受的拉伸应变有关的特性,推导了附加频移与应变间的线性关系。
应用推荐