A digital processing method for fiber quasi-white light interference signal is proposed.
提出一种光纤准白光干涉信号数字化处理方法。
The interference signal of abnormal acceleration that often appeared in crash tests for a car were analyzed and studied.
针对某型汽车在碰撞试验中多次出现的异常加速度干扰信号进行了分析和研究。
A matrix of anti-interference is used, which can distinguish useful signal from interference signal quickly and validly.
该算法中采用了抗干扰矩阵，可快速有效地区分有用信号及干扰信号。
Directing against a special interference signal, an improved algorithm is presented for the use of an adaptive canceller.
提出针对一种特殊干扰信号的自适应抵消器改进算法。
The power of the interference signal makes much effect to its result in the process of radio interference.
在无线电干扰的实施过程中，干扰信号的功率对干扰效果的影响至关重要。
The interference signal is analyzed with signal processing circuits and the amplitude and frequency of vibrations are obtained.
通过信号处理电路对干涉信号进行分析，得到实际振动的振幅和频率。
Methods An input circuit impedance tester with metal shells that could shield part of the external interference signal was made;
方法：自制输入阻抗测试仪，采用金属外壳可屏蔽部分外部的干扰信号；
In order to suppress wideband interference signal, a new wideband received beamforming method in frequency domain was presented for LFM signal.
为了抑制宽带干扰信号，提出了一种基于频域的宽带接收波束形成方法。
The phase signal of the surface profile is detected from the sinusoidal phase-modulating interference signal using a real-time phase detection circuit.
利用实时相位检测电路，从正弦相位调制干涉信号中解出被测量物体表面形貌的相位。
The PID controller is composed of the equivalent interference signal, the controlled objects, the object model, IMC, feedback filter and reference input filter.
该控制器由等效扰动信号、被控对象、对象模型、内模控制器、反馈滤波器及参考输入滤波器组成。
Metro WDM compact instrument is generally used for base station environment. External interference signal affects its normal work through the signal line or shell.
紧凑型城域波分仪一般用于电信环境，外界干扰信号容易通过信号线或外壳耦合到紧凑型城域波分仪，影响其正常工作。
Lighting electromagnetic pulse is a kind of electromagnetic pulse interference signal carrying the huge lighting energy, and does great harm to modern electronic devices.
雷电电磁脉冲是一种携带巨大雷电能量的电磁脉冲干扰信号，对现代电子设备造成的危害极大。
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
Through the spectrum sensing and cognitive engine technology, the characteristics of narrowband interference signal is extracted, which is the rule to design the trap filter.
通过频谱感知和认知引擎技术提取窄带干扰频谱特征作为陷波器的设计依据。
To overcome the limitation of fringe counting and phase analysis, a new method based on the time-frequency analysis is proposed to process the self-mixing interference signal.
针对条纹计数法和相位分析法处理自混合干涉信号的不足，提出了一种基于时频分析的自混合干涉信号处理方法。
Considering the effect of the shadow fading and fast fading on the receive signal, the received useful signal and interference signal should be random variables which change continuously.
考虑到阴影衰落和快衰落对于接收信号的影响，接收到的有用信号和干扰信号是随机变量，相应的载干比也是随机的。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
该方法通过时频分析获得自混合信号频率随时间的变化，利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系，非常方便的获得了外部运动物体的速度历史信息。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
该方法通过时频分析获得自混合信号频率随时间的变化，利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系，非常方便的获得了外部运动物体的速度历史信息。
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