A novel phase unwrapping algorithm, based on intensity modulation analysis and adaptive threshold is presented.
提出了一种基于条纹调制度分析的位相去包裹新算法。
The electron heat transport is studied by analysis of observed cold pulse propagation during gas modulation in HL-2A ohmic discharge.
利用调制送气过程中观察到的冷脉冲传播,研究了在HL-2A装置欧姆放电条件下的电子热输运。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
调制域分析已经成为现代测试技术不可或缺的部分,在显现频率变化信号时优于时域测量和频域测量。
By theoretical analysis and experiment, we obtain approximate constant modulation sensitivity, which fits for the overall design, and reach fairly good effect.
经理论分析及实验,获得近似于恒定的调制灵敏度,符合整机设计要求,在整机中显示出较好的效果。
The chopping modulation circuit model of the pyroelectric infrared camera is introduced. The circuit design and analysis for the circuit model were made.
本文提出了热释电红外摄像机斩波调制的电路模型,并对此电路模型进行了具体的电路设计和分析。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
To validate the theoretical analysis, a test system for group velocity delay was set up based on RF modulation.
为了验证理论分析,设计了射频调制法测试介质膜滤波器群速度延时的实验装置。
This paper presents a deep analysis to some modulation issues in fiber optic CATV system.
文章就光纤CAT V调制方面的若干问题,进行了深入的分析。
The paper uses MATLAB to simulate ASK, FSK, PSK modulation of digital signal and spectrum analysis.
运用MATLAB语言模拟实现了数字信号的ASK、FSK、PSK调制与频谱分析。
Taking an external cavity laser diode (ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.
以可调谐双稳外腔半导体激光器(ECLD)为例,指明了在损耗调制下,扰动近似分析可能会失效。
Firstly, ALE system's base content is introduced, then an analysis of ALE system's structure and design is put forward, and then 8cpfsk modulation theory and error control technique are discussed.
本文首先介绍了ALE协议的基本内容,分析了ALE系统的结构和设计思路,然后对8cpfsk信号的调制解调技术、差错控制技术进行了理论研究。
This paper indicates the normal testing methods of time domain frequency stability, and focal points out the testing methods of time domain frequency stability with modulation domain analysis.
介绍了时域频率稳定性常用的测量方法,并重点介绍了利用调制域分析仪实现时域频率稳定性的测量方法。
Also, optimizing design and analysis showed that the decrease of modulation efficiency due to modulating in claddings can be compensated by appropriately reducing the size of cores.
通过优化设计与分析发现适当降低波导芯层的尺寸可以弥补因包层调制引起的调制效率的下降。
A numerical model for steady state analysis and analytical expressions for the AM and FM modulation responses of DFB lasers are presented.
给出了适于分析DF B激光器稳态特性的数值模型和分析振幅及频率调制响应特性的解析模型。
The modulation domain measurement technique is presented simply. The application of modulation domain analyzer in the complicated signal frequency measurement analysis is probed.
对调制域测量技术作了简要介绍,探讨了调制域分析仪在复杂信号频率测量分析上的一些应用。
Gives an analysis on the non linearity in frequency modulation when a varactor modulates directly in a FM ranging fuze, and shows its influence on the precision of ranging.
分析了调频定距引信中采用变容二极管直接调频时调制的非线性及其对定距精度的影响。
The operation principle based on self-phase modulation (SPM) effect is explained and the best achievable performance is given from the analysis results.
理论上分析了该方案利用自相位调制(SPM)效应产生均衡作用的基本原理,指出了该方案所能达到的最佳均衡指标。
In this paper, the method and the equipment measuring modulation characteristic of DFB LD with spectrographic analysis are described.
本文介绍了利用光谱分析测量dfbLD调制特性的方法及装置。
Based on modulation domain analysis, a frequency modulation parameter testing method is proposed.
基于调制域分析,设计了电子产品频率调制参数测试方法。
The basic tasks of radio signals modulation identification are analysis, decision and classification of modulation type for intercepted unknown signals.
无线电信号调制识别的基本任务就是对所截获的不明信号的通带调制种类进行分析、判决和归类。
It introduces the project and key technology of modulation domain analysis, emphasis on the ZDT counter and the error compensation circuit based on FPGA.
介绍了调制域分析技术的原理,重点介绍基于FPGA的零空闲(ZDT)计数和测量补偿技术。
Then with the help of the mathematical analysis of the modulation methods in the series resonance circuit and the simulation results, a suited modulation method is chosen.
对串联谐振逆变电路的几种调功方式进行数学分析和仿真研究,比较它们之间的优缺点,结合分析的结果确定调功方式。
It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
The modulation principle and spectrum analysis for SPWM were expatiated in detailed.
阐述了SPWM的调制原理与频谱分析。
From signal to noise ratio analysis of the modulation signal, we choose the phase modulation method as the suitable carrier modulation for the twisted-pair.
本章首先分析了各种数字载波调制方法,从调制信号信噪比的角度分析说明基于相位调制的方法适合作为双绞线载波调制的方法。
Detailed analysis and description on space vector modulation and two-step commutation were given, and a prototype matrix converter was built.
对矩阵变换器的空间矢量调制法以及半自然两步换流技术进行了分析及阐述,同时研制了一套矩阵变换器样机。
Modulation Domain and Pulse Analyzer (MDPA) is a powerful instrument for modulation domain analysis, also it is a useful tool for time interval measurement.
调制域与脉冲分析仪既是调制域分析的利器,也是脉冲分析的有效工具。
Based on the analysis of the regenerative modulation caused by the unbalance of grinding wheel in the grinding process, a new mixed grinding chatter, named regenerative modulating chatter is advanced.
在磨削过程中,由于砂轮不平衡引起再生调制,在此基础上,提出了一种新的混合型颤振再生调制型颤振。
Ely the analysis, this thesis gave a strategy orientation, future strategy modulation and specific strategy measures for the corporation in this case.
在此基础上,提出企业的战略定位,以及今后战略调整的方向和具体战略对策。
Ely the analysis, this thesis gave a strategy orientation, future strategy modulation and specific strategy measures for the corporation in this case.
在此基础上,提出企业的战略定位,以及今后战略调整的方向和具体战略对策。
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