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- This paper discusses the implementation of a closedloop controlled Fiber Optic Gyroscope(FOG) system using the digital sawtooth wave and square wave modulation approach. 本文讨论了采用数字锯齿波和方波调制方案的闭环光纤陀螺系统的实现。
- The work point should be controlled when open-loop Fiber Optic Gyroscope (FOG) is working, so a sin wave modulation signal with adjustable amplitude must be produced by digital method. 摘要开环光纤陀螺在工作时需要对其工作点进行控制，这就要求能够用数字的方法产生一个幅度可调的正弦波调制信号。
- Keywords IGCT;three-level NPC inverter;minimum pulse width;dead-time compensation;square wave modulation;snubber circuit; 三电平NPC逆变器;最小脉宽;死区补偿;方波调制;缓冲电路;
- square wave modulation 方波灯
- When the square wave signal pass the LPF,we can get the sine signal. 经过分析可知,检测过程中的低通滤波器对检测的精度和速度有重要影响。
- Miniature passive hydrogen maser is developed at Shanghai Observatory which employs compact cavity design and square wave frequency modulation. 介绍了上海天文台被动型小氢钟的设计和研制,给出了初步的测试结果。
- The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time. 这样收到的信号看起来不再象矩形波,而是受到畸变,并且持续时间延长了。
- By using a square wave for ac-excitation, with the polarity of the excitation signal reversed between measurements, the induced dc errors can be effectively cancelled. 由使用一个方形波为交流励磁,与励磁信号在测量之间的极性扭转,被感应的直流误差可能被有效地消除。
- The dead-zone attached with all-digital close-loop Fiber Optic Gyro (FOG) which employs square wave bias modulation and step wave feedback modulation was researched. 针对采用方波偏置调制、阶梯波反馈调制方案的全数字闭环光纤陀螺"死区"现象的机理进行了实验和仿真研究。
- Curve the films into rectangle waveguide with BCl3 ions. Detect the gain 10.0dB at the 10uW square wave signal and pump power 160mW. Get 4.2dB gain per centimeter. 用BCl_3干法刻蚀将镱铒共掺Al_2O_3薄膜刻蚀成光波导，当信号光被调制为1Hz的方波时，在160mW功率泵浦下，光波导放大器的总增益为10.;0dB，单位长度增益为4
- The glabrous skin of human fingers was choosed as the experimental objects, which was stimulated by square wave electrical signal mixed with electrical noise. 采用的心理物理学实验方法是单刺激随机阶梯法和单择一强迫选择法。
- Square waves, like sine waves, are periodic. 方波如正弦波一样是周期性的。
- This paper proposed a digital modulation signal identification method using the HHT and SVM methods. 提出了一种基于HHT和支持向量机的实际数字调制信号识别算法。
- Excellent staable are from Ac square wave, avoid high frequency hazard. 交流方波自稳弧性能优异,免除高频危害。
- In automatic classification of digital modulation signal,computing envelope variance after difference has important meaning to distinguish PSK and FSK signal. 在数字信号的自动调制方式识别中,差分后求包络方差对于区分FSK、PSK信号具有十分重要的意义。
- The concept of square wave and EFT drive unit are introduced in this paper. 本文介绍方波信号发生器及场效应管驱动器的原理与设计。
- Aim\ To study the SAR imaging of ocean surface wave and the surface wave modulation of radar cross section. 目的研究合成孔径雷达(SAR)对海面波成像的机理和海面波对雷达截面的调制机理。
- Introduce the principle of MOSFET AC square wave inverter power source. 介绍了MOSFET交流方波逆变电源的工作原理。
- Compared with the performance of normalized single pulse signal and linear frequency modulation signal (LFM), a new method is presented. 摘要从归一化的单脉冲信号和LFM信号性能比较分析入手，提出了一种新的分析方法。
- For this question, nonsinusoidal wave modulation based on IJF coding is put forward. 针对该问题，提出了解决方案：基于无抖动编码的非正弦波调制。
