Research on Dynamic Demodulating Technique for Fiber Grating Sensor System.
一种光纤布拉格光栅动态解调系统的研究。
Modulating method, demodulating method, modulating apparatus, and demodulating apparatus.
调制方法，解调方法，调制仪器和解调仪器。
Modulating device and method, demodulating device and method, program, and recording medium.
调制设备和方法，解调设备和方法，程序及记录介质。
The invention relates to a method and a device for demodulating a fiber grating sensing network.
本发明涉及一种光纤光栅传感网络解调的方法和设备。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
A sequential path searching method for demodulating a reverse channel in a mobile communication system.
一种在移动通信系统中用于解调反向信道的顺序路径搜索方法。
Also, this paper introduces the modulating and demodulating in order to ensure the integrality of the system.
文中，也对调制、解调做了简要介绍以便确保整个系统的完整性。
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。
Therefore, the way of demodulating wavelength coding signal of FBG is the key of application of FBG sensing technology.
因此，如何对光纤光栅的波长编码信号进行解调是实现光纤光栅传感技术应用的关键。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
针对微弱二进制相移键控(BPSK)信号的解调问题，对基于混沌系统的解调方法进行了研究。
This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.
这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。
The basic theory of IF signal processing, such as sample theory, quartered demodulating technology, filtering, draw-off and interpolating theory is discussed.
然后介绍了数字化中频处理中的采样理论、正交混频解调、滤波抽取等基础理论。
The demodulator has two main parts, hardware and software. It can perform channel selection and signal demodulating using it's own keyboard or the PC connected.
它由硬件和软件两大部分组成，通过自带键盘或上位机可实现频道选择和信号调节。
Signals output by the demodulating converter and the low frequency vibration separator are sent to an interface of a sampling and analyzing diagnostic computer AD.
所述解调变换器和低频振动分离器输出的信号送入一个采样和分析诊断的计算机ad接口。
Based on the principle of DFT gap-demodulating method, the expression of gap in case of zero-padding on spectrum sequence was derived, and its accuracy was analyzed.
根据光纤法珀应变传感器的腔长DFT解调算法的原理，推导了对光谱数据作补零处理时的DFT腔长计算公式，并作了精度分析。
The analysis results show that the energy operator demodulating approach based on EMD can extract the characteristics of mechanical fault vibration signals efficiently.
对机械故障振动信号的分析结果表明，基于EMD的能量算子解调法能有效地提取机械故障振动信号的特征。
By replacing the traditional wavelength demodulation with optical power detection technique, the demodulating process is simplified and immune to temperature variation.
利用光强差分检测技术取代传统波长解调方法，简化解调过程的同时传感系统免受温变影响。
The experiment result demonstrates that in the non real time demodulating process, the 2FSK algorithm is able to demodulate the transmitted data with an upper veracity.
在实际的硬件实验中，完成了2FSK调制解调的自环测试。 试验结果表明：在非实时解调的过程中，该调制解调算法具有较高的准确性，能够正确解调出发送的数据。
In this system we improve the ratio between signal's power and noise's power together with the sensitivity of the system by a new temperature signal demodulating method.
在该系统中，通过采用新的温度信号解调方法，使系统的信噪比获得提高的同时，还提高了系统的测温灵敏度。
The morphology filter is used for the defect diagnosis of rolling bearings, extracting the impulsive signal from the initial vibration signal and demodulating the signals.
将形态滤波应用到滚动轴承缺陷诊断中，通过形态滤波将滚动轴承原始振动信号的脉冲信号提取出来，从而达到解调的效果。
Analyzing the automobile carrier communication system from the communication point, including signal coding, decoding, modulating and demodulating and the receiver strategy.
从通信系统的角度分析了汽车载波通信系统应该采取的策略，包括有信号的编码、解码，调制、解调，及接收端策略。
The main works of this thesis include:1. Resumptively introduces classification, fabrication, optical properties, sensing principle and demodulating method of fiber grating.
概括地介绍了光纤光栅的分类、制备方法、光学特性、传感原理以及解调方法。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器，白光光源经过腔长受温度调制的F - P传感器选频后，用平面光栅和线阵CCD实现光波波长的解调。
Based on the principle of demodulating the displacement of the projected fringes with digital image correlation method, a micro fringe projection correlation method is proposed.
基于数字图像相关法解调被物体高度调制的投影栅线平移量的原理，提出了显微栅线投影相关法的概念。
This paper presents a high speed PCM demodulation circuit through which the serial parallel converter plays a role of demodulating and the hardware realizes frame synchronization.
为了从接收到的PCM码中还原出原始信号，阐述了一种由硬件实现帧同步，由串并转换器完成PCM码解调器的高速PCM码解调器电路。
In the system of spread-spectrum communication, the essential point of demodulating information is to ensure the synchronism of local PN sequence and PN sequence of received signals.
扩频通信系统中，保证本地产生的PN序列与接收信号中的PN序列完全同步，是正确解调信息的关键点。
Taking advantage of the characteristics of digital systems, a new digital method is given in this article to overcome the difficulties in demodulating AM signals using digital methods.
利用数字采样系统的特性，克服了用数字方法解调调幅信号的固有困难，提出了一种新的数字方法来解调这类信号。
The invention relates to a neural network demodulating method based on the trellis encoding and modulating (TCM) technology which combines the convolutional encoding with the modulating.
网格编码调制（TCM）技术是一种将卷积编码和调制结合在一起的技术。
The invention relates to a neural network demodulating method based on the trellis encoding and modulating (TCM) technology which combines the convolutional encoding with the modulating.
网格编码调制（TCM）技术是一种将卷积编码和调制结合在一起的技术。
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