F-P tunable filter demodulation system is choosed by FBG landslide monitoring system.
滑坡监测系统最终选择光纤f - P可调滤波器解调法。
Choose a distributed FBG sensing demodulation system, namely tunable F-P filter method.
选定了一套分布式FBG传感解调系统,即可调谐f - P滤波法。
The resource consumption of modulation system and demodulation system is given respectively.
同时分别给出调制和解调系统的的资源消耗费。
As a result, the analog demodulation system in satellite must be taken place by the digital system.
验证了星上解词系统由模拟走向数字的必然性。
A new approach to implement the 3dpsk signal modulation and demodulation system based on VHDL is presented.
对3dps K信号调制解调进行了研究,提出了一种用VHDL语言设计实现3dps K调制解调器的方案。
This demodulation system also has serial port, parallel port, JTAG port, and can display signal wave in LCD.
本解调系统还拥有串口、并口等通信接口以及JTAG调试接口。自带lcd,可以动态显示解调后的信号波形。
Chapter 2 introduces the principle of the MSK modulation and demodulation system and gives the corresponding structure.
第二章介绍了MSK调制解调原理,给出调制和解调的结构。
The demodulation system is simple and compatible with fiber device. It can be used in health monitoring for huge buildings.
此种解调方式具有光路简单,易于与光纤匹配的优点,可以应用在大型建筑中光纤光栅的健康监测。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
将光衰减器用作解调系统的光调制器,解决了解调系统光信号的调制问题。
This paper presents the implement of the all-digital symbol timing recovery using the DTTL Algorithm over 8psk demodulation system.
本文阐述了DTTL全数字符号定时恢复算法在8psk解调系统中的实现。
By introducing the principle of digital IQ demodulation, we realizes a digital IQ demodulation system with the special large scale integration chip.
在阐述数字复解调原理的基础上实现了一个基于专用芯片的数字复解调测试系统。
The phase- locked loop is one kind of control system which is able to achieve phase automatic lock, to compose frequency and to trace demodulation system.
锁相环路是一种能实现相位自动锁定的控制系统,主要用于频率合成及跟踪解调系统。
An improved white light system was developed for sensor fabrication. This system is also used as the signal demodulation system providing very high resolution.
这种系统应用到传感器的制作当中,解调系统可以提供非常高的分辨率。
Long period fiber grating (LPG) is designed as the filter component of edge linear filtering demodulation system for fiber Bragg grating (FBG) temperature sensor.
长周期光纤光栅是特定波长范围内的线性滤波器件,该文设计了长周期光纤光栅解调的布拉格光纤光栅温度传感系统。
A dynamic fitted curve algorithm is proposed to improve the precision of demodulation system of Bragg grating sensor, when only relative software needs to be changed.
为了在自主研发设备的基础上,从软件算法上提高光纤光栅传感解调系统的精度,利用装有标准光纤光栅阵列的解调系统,提出一种动态曲线拟合方法。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想,研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
Lastly, the calibration experiment of demodulation system is carried out, and the continuous stretching and unloading experiments of sensors with different cavity length.
最后,对解调系统进行了标定实验,并通过两个不同腔长的传感器进行了连续拉伸、卸载实验。
An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.
介绍了一种基于边缘滤波器,可带中心波长自动跟踪,主要应用于海底水声信号的检测的光纤光栅波长解调器。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术,具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
The results show that because of its low computational complexity and low power consumption, the QPSK-demodulated algorithms in the paper is more suitable for on-board demodulation system.
结果表明,文中提出的改进QPS K解调算法具有运算相对简便和低功耗的特点,更合适用于星上的解调系统。
An automatic gain control circuit, its method, and demodulation apparatus capable of high-speed accurate level capture and preventing generation of an error and system destruction.
一种自动增益控制电路、其方法以及解调装置,能够高速精确地获取电平,防止产生误差和系统破坏。
At present, due to difficulties caused by wavelength coding signal demodulation, system costs are too high in general areas to accept.
目前,由于波长编码信号解调困难而造成系统成本过高,在普通领域难以接受。
A demodulation approach of IJF-OQPSK signal for the burst communication system is presented in this paper.
提出了一种用于时分多址突发通信系统中的IJF - OQPS K调制信号解调方法。
It is clearly clarified the conceptions of quadrature modulation, quadrature exciting, quadrature receiving, and quadrature demodulation in the MRI system.
阐明了MRI系统中所使用的正交调制、正交解调、正交激发和正交接收的概念。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点,利用包络解调法分离出系统固有频率成分的振动信号。
The fiber grating sensing system consists of four parts, Broadband Light-source, FBG/LPG based sensor, Signal demodulation section and Signal process section.
光纤光栅传感系统一般包括光源、传感器(光纤光栅)、光路解调部分、数据采集分析终端等部分。
While the alterable frequency and scope sawtooth sweep signal for TFFP can neatly change the scanning range of the system, which is more improved the demodulation speed.
同时变频变幅的TFFP锯齿波扫描信号可以灵活地改变系统的扫描范围,进一步提高了系统的解调速度。
The correlation concept is introduced, the signal correlation function was defined and the correlation demodulation theory of the fiber grating sensing system was basically established.
引进关联概念,定义了信号关联函数,初步建立了光纤光栅传感系统的关联解调理论。
The correlation concept is introduced, the signal correlation function was defined and the correlation demodulation theory of the fiber grating sensing system was basically established.
引进关联概念,定义了信号关联函数,初步建立了光纤光栅传感系统的关联解调理论。
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