您要查找的是不是：
- 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。
- 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。
- 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。
- The driver circuit comprises a switch, a pulsewidth modulation signal generator and a regulator coupling with the pulsewidth modulation signal generator. 驱动电路包括开关，脉宽调制信号产生器和与脉宽调制信号产生器耦接的调节器。
- The special optics and novel configuration make a feature of double-frequen-cy function amd insensitivity of Moire fringe modulation signal to gap between the main grat-ing and index grating. 该系统具有光学两倍频作用和大光栅副间隙下使用及间隙对莫尔条纹信号调制度不敏感等特点,并且整体结构分离式、小型化和轻型化,在各类精密测量装置和精密加工仪器中将得到越来越广泛的应用。
- 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。
- When there is a modulated signal from transmitter, there are side bands. 只要在发射机中存在调制信号，就含有旁频带出现。
- A functional unit that converts a modulated signal into the original signal. 把已调制过的信号恢复为原始信号的一种功能部件，或叫操作装置。
- Secondly, the VWDK modulation is introduced with theoretical power spectrum expression of the modulated signal and simulation result of power spectra. 接着通过对VWDK调制方法的理论功率表达式和仿真功率谱图进行分析，对其性能进行探讨。
- A functional unit that converts a signal into a modulated signal suitable for transmission. 将信号转变成适合于传输的被调制信号的一种操作装置。
- First, we will focus on the study of channel modeling, signalling noise sources, binary versus modulation signalling, and low voltage differential signalling (LVDS) standard. 首先，我们将简单的说明及讨论通道建模、介面电路的杂讯来源、二元及调变讯号的比较及低电压差动讯号标准。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- In the field of communication engineering, the information bearing signal is also known as the modulating signal. 在贸易领域,通信工程,信息轴承信号,又称为调制信号。
- The modulating signal is a slowly varying signal - as opposed to the rapidly varying carrier frequency. 调制信号是一个缓慢变化的信号作为反对以快变载波频率。
- Simulation shows that this method can accurately recover the modulating signal in low SNR circumstance. 仿真结果显示,该方法在较低信噪比环境下能够准确地恢复调制信号。
- In this paper, it is suggested that modulated signal be demodulated by digital PLL. 并 结合实际应用提出了用数字锁相环进行调频信号解调的建议；
- In the picture above you can see a modulated signal driving the IR LED of the transmitter on the left side. 上面图片中你可以看到一个调制信号驱动红外发光二极管的发射器的左边。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of Rect(tt/Pw) Added by Uniform Noise. 方波电压讯号加上均匀杂讯乘以无杂讯载波之调变讯号时域波形及频谱。
- In addition,the paper analyzes the effect of modulation signals of pneumatic actuatoron the control performance and establishes the dynamic model of pneumatic control system aswell. 最后还分析了气动控制系统的调制信号对控制性能的影响，建立了气动控制系统的动态模型。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
