A new optical fiber signal modulator based on the shear mode oscillation is designed.
设计了一种基于剪切模式振荡的光纤光调制器。
This paper describes the signal characteristic in optical fiber communication systems, and the way to set the signal levels appropriately for the minimum average error rate.
本文阐述光纤数字通信中部分响应信号的特点，和适当地设置信号电平使平均误码率达到最小的方法。
A physical model of nonlinear evolution of chaotic signal propagation in optical fiber is presented by coupling chaotic laser system with optical fiber channel.
通过耦合激光混沌系统和光纤传输信道，提出光纤混沌信号传输的非线性演化物理模型。
This system is constituted with the optical fiber sensor, signal detection electric circuit, single chip processing circuit and display unit.
该系统由光纤传感器、信号检测电路、单片机处理电路和显示装置组成。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The fiber-optic hydrophone based on the optical fiber sensing technology is the most ideal underwater acoustic signal detector at present and plays an important role in military wars.
光纤检波器是光纤传感技术在海洋技术上的重要应用，它是目前最理想的水声信号探测装置，在军事反潜战中扮演着重要角色。
The sensor system USES the optical fiber as the transmission medium of bioluminescent bacteria signal, separating the sensor and the optical detecting system, which is convenient for field use.
传感器系统采用光纤作为发光菌信号传导介质，使传感器与后面的集成光学检测分析系统相分离，便于现场应用。
Source exciting and optical signal detecting are two technical barriers to the all fiber optic resonant sensor.
光源激励和光信号检测，是全光纤硅谐振传感器的两项关键技术。
Optical fiber can be used to transmit near-infrared optical signal instead of traditional complex system, then the structure would become miniaturization.
近红外波长光信号利用光纤传输，替代了传统的复杂光路系统，使器件结构小型化。
Signal transmission is realized by transmitting light beam over optical fiber.
信号传输是通过光纤传输光束来实现的。
Theory of chaotic signal transmission in optical fiber and physical mechanism of chaotic signal acting on optical fiber transmission medium are theoretically studied.
对光纤混沌传输理论及混沌信号与光纤传输媒介相互作用的物理机制进行了理论研究。
The appearance of optical fiber communications greatly alleviate such problems as low transmission speed, poor Signal-to-Noise and easy disturbance which puzzle people.
光纤通信的出现大大缓解了长期以来一直困扰人们的传输速度低、信噪比差和易干扰等问题。
Using high-precision sensors provide a current signal through the optical fiber connecting sensors and display panels to enhance the reliability and accuracy of the home.
采用高精度传感器提供电流信号，通过光纤连接传感器和显示面板，提高了置的可靠性和准确性。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调，即波长微小移位的检测问题。
The optical fiber phase sensor is used to replaces traditional microphone, and the relationship between light phase and photoacoustic signal is discussed.
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。
Burning research problems on fire detection technology, such as those about combined detection, temperature detection via optical fiber, fire signal processing, early fire detection etc. are provided.
提出了火灾探测技术的热点研究问题，如复合探测技术、光纤测温技术、火灾信号处理技术、火灾早期探测技术等。
With the investigation and analysis of a fault, this paper explains the operation of optical fiber permissive relaying protection and the course of sending permissive signal.
通过一起保护动作的分析，对于允许式光纤保护的联动条件、允许信号的产生过程进行了细致的分析。
In this paper a complete small signal analysis for semiconductor laser frequency chirping in the presence of optical fiber ring feedback is presented.
本文给出了在环形光纤外腔光反馈之下半导体激光器频偏特性的小信号分析理论。
The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.
基于低噪声光电探测电路设计的光纤电压互感器可获得0 .2 %的电压测量精度，并满足暂态信号的测量要求。
The method of the two-channel optical fiber reflecting for particle velocity measurement was adopted to get the time sequence signal of moving particle velocity in the fluidized bed.
实验采用双光纤反射式速度测量原理，获得颗粒速度的时间序列信号，通过对双通道信号的互相关分析获得取样点的颗粒速度；
This paper has led a novel signal processing method in to the signal processing of the distributed optical fiber Raman temperature sensor firstly.
本文首次在分布式喇曼光纤传感技术的信号处理过程中引入去卷积的信号处理方法；
The experiment and the signal processing of embedded optical fiber sensing network are also presented.
并介绍了实验以及内埋光纤阵列传感信号的人工神经网络处理的情况。
Two very pithy and powerful analytical expressions for saturated signal gain and signal output power of fiber optical parametric amplifiers are educed with numerical analysis.
通过数值分析的方法推导出光纤参量放大饱和信号增益和信号输出功率的数学表达式。
In this paper, a method evaluating small signal gain spectrum of optical fiber amplifier only using a small power broadband light source was proposed.
提出了一种用小功率宽带光源较精确测量光纤放大器小信号增益谱的方法。
The optical fiber phase sensor is used to replace the traditional microphone to detect photoacoustic signal.
提出用光纤相位传感器代替传统的微音器检测光声信号。
Results and Conclusion it indicates that in optical fiber gas concentration detecting system the virtual digital oscillograph has good detecting signal and a good human-machine interface and feature.
结果与结论在实际光纤气体浓度检测系统中的应用表明，该虚拟数字示波器很好地实现了检测信号的处理，并具有良好人机界面和性能。
Optical fiber gauge is introduced, its non-electricity signal at measuring site will provide powerful guaranty of essential safely.
本系统由于采用了本质安全的光纤传感器技术，现场完全避免了电信号的引入，在安全上有可靠的保障。
A cantilever is used to block the light reflected into optical fiber, and the vibration signal can be measured through the intensity modulation.
使用悬臂梁来遮挡反射回光纤的光，用光强度调制来实现振动信号的测量。
A cantilever is used to block the light reflected into optical fiber, and the vibration signal can be measured through the intensity modulation.
使用悬臂梁来遮挡反射回光纤的光，用光强度调制来实现振动信号的测量。
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