Design of Low Noise Amplifier for Wireless Sensor Network

1、

Effect of Laser Random Phase Noise on the Fiber-optic Sensor System

激光随机位相噪声对光纤传感系统的影响

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2、

Equivalent flux noise in the sensor is about 2 x 10~ (-4)φ_0rms/ Hz~ ( 1/ 2) and energy sensitivity at the sensor input is better than 1 × 10~ (-27) J/ Hz.

传感器等效磁通噪声约，输入能量灵敏度优于1×10~（-27）J/Hz。

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3、

There are kinds of noise disturbances in sensor output signal caused by pipe vibrations and fluid field turbulence. A few methods which can measure frequency through digital signal processing was mentioned in this paper, and wavelet transform method has finer application perspective.

由于管道的机械振动和流场的不稳定等因素，使得传感器输出信号中含有各种噪声，本文归纳了几种通过数字信号处理测量频率的方法，其中小波变换方法具有较好的应用前景。

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4、

The sensor integrated circuit is designed to realize the measurement of magnetic field, as well as the noise-shaping with the mode of magnetic field shielding, and the noise of the sensor cell and the signal processing circuit is greatly reduced.

该传感器集成电路实现了测量磁场的功能，并实现了在屏蔽磁场的工作模式下对噪声信号进行校正的功能，有效地消除了磁敏传感器及其信号处理电路的噪声影响。

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5、

Existing methods for image data fusion are not quite satisfactory for object detection. To improve the resolution of target and suppress the detection noise of each sensor, a new method for image data fusion based on wavelet transform is presented.

现有的图像数据融合方法对目标检测并不十分满意，为了提高目标检测的分辨率，抑制每个传感器的检测噪声，提出一种基于小波变换的图像数据融合新方法。

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6、

An information fusion algorithm was presented based on a class of asynchronous multi-rate and multi-sensor system, in which the observation noise from each sensor is unknown and time-varying.

以异步多速率传感器信息融合理论和同步单速率传感器时变噪声统计理论为基础，提出了一种适用于时变线性系统的异步多速率传感器时变噪声统计系统的信息融合算法。

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7、

Some studies have shown that, by the improvement of the measurement accuracy, the noise of the sensor has an increasing impact on the particle counter measurements.

研究表明，伴随着测量精度的提高，传感器本底噪声对粒子计数器测量结果的影响逐渐体现出来。

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8、

Multi-sensor data fusion technology based on gas detecting system can restrain the excursion and the noise of the sensor and improve the accuracy of the system.

基于多传感器数据融合技术的气体检测系统，可在一定程度上抑制传感器的漂移和噪声，提高系统的检测精度。

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9、

An Experimental Study on Photon Noise Limited Wavefront Sensor

光子噪声受限的波前传感器的实验研究

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10、

The problem of DOA's estimation of multiple source signals incident on a arbitrary array in the presence of both unknown spatially correlated noise and sensor errors is firstly considered.

在空间相关色噪声环境及存在阵列模型误差情况下，首先给出了基于最大似然的DOA及阵列幅相误差联合估计算法，该算法对信号和噪声无任何约束，且适用于任意阵列结构。

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11、

The basic problem in target motion analysis ( TMA) is to estimate the trajectory of an object from noise corrupted sensor data.

定位与跟踪需要进行目标运动分析，其中最基本的问题就是使用有噪声的观测数据来拟合目标的运动轨迹。

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12、

The principle of motion inductive noise of sensor is analyzed and some methods have been presented to reduce the affects.

分析了传感器运动感应噪声产生的原因，并提出了相应的方法来减弱噪声对定位精度的影响。

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13、

Conclusions: The low noise photoelectric sensor can be used in clinical monitoring and physiologic signals processing.

结论：高信噪比的光电传感器可用作于临床监测和生理信号分析处理系统。

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14、

A Novel FBG High Frequency Vibration Sensor Based on Equi-Intensity Cantilever Beam

一种基于等强度梁的光纤光栅高频振动传感器

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15、

With the development of digital signal processing and network technology, vibration sensor must have higher accuracy and reliability.

随着数字信号处理与网络技术的发展，地震观测及工程测振对传感器的精度、可靠性等性能指标的要求越来越高。

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16、

Experimental Study on Coupling High-Frequency Fiber-Optic Vibration Sensor

耦合型高频光纤振动传感器实验研究

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17、

Study on Vibration Sensor of Ultra-low Frequency

超低频振动传感器的研究

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18、

Study on optimizing technique for transfer function of the ULF absolute vibration sensor

超低频绝对振动传感器传递函数优化技术研究

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19、

Characteristic Study of Light Intensity Modulation Methods for Fiberoptic Vibration Sensor with Cantilever

悬臂梁式光纤振动传感的一种光调制方法的特性研究

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20、

Study on Ultra Low Frequency Vibration Sensor by Using Magnetoelectric Speedometer

用磁电式速度计实现超低频振动传感器的研究

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