In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
It is chiefly characterized by increasing the amplitude and the duty cycle of the signal, and reducing the interference of the daylight with a special circuit.
其主要特点是通过特殊电路提高信号的幅度和占空比,同时抑制日光干扰。
The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal.
利用简单的电路构成实时相位检测器,对干涉信号中的相位信号进行同步检测,最终获得实际振动的振幅频率。
The interference wave has strong energy over whole time period of seismic records, and its frequency, phase and amplitude can be basically considered to maintain invariable.
这种干扰波在地震记录的整个时间段上具有很强的能量,并且其频率、相位和振幅可认为基本保持不变。
Microwave phase discriminator (MPD) is used to translate the phase information to amplitude information which easy to be processed by the theory of phase interference.
微波鉴相器建立在相位干涉的原理之上,通过相位干涉把相位信息转化成便于处理的幅度信息。
The passive interference in receiving station of amplitude modulation (AM) broadcasting from UHVAC transmission lines is mainly caused by towers.
特高压输电线路对调幅广播台站的无源干扰主要是由垂直杆塔引起的。
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。
Calculation method about phase difference and amplitude in interference pattern of convergent light has been proposed.
提出了晶体锥光干涉中两相干光的位相差和振幅的计算方法。
Changes of light polarization in each interface are analyzed and the method to calculate total amplitude in convergent polarized light interference is proposed.
分析了光波在各界面折射时偏振态的变化,提出了会聚偏光干涉合成振幅的计算方法。
Based on the analysis of carrier receiver limited amplitude interference, provide a way of circuit modification.
通过对载波接收机限幅干扰分析,提出电路改进的办法。
The legible interference patterns and spectrum signals show that fiber interferometer is suitable to compensate for amplitude and phase vibrations.
稳定的时域干涉信号说明,单模光纤可以很好补偿振幅、相位的跃变。
The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.
文章分析了存在载波相位起伏、正弦干扰、高斯白噪声时正交调幅数字系统的抗扰性。
The results of simulations show that the random phase shift, the amplitude and DOA(Direction of Arrival) of signals can influence performance of CMA array in reducing multipath interference.
仿真结果表明,CMA阵列的抗多径干扰性能受随机相移、信号幅度、信号空间分布等因素的影响。当所需信号与多径干扰信号空间隔离度越大,CMA阵列的抗多径干扰性能越好。
So let's think of them a little bit more by graphing the amplitude of the wave, and seeing how we can have this constructive interference.
让我们把波的,振幅画出来考虑一下,我们怎么能得到这种相长干涉。
The cantilever itself can be used as a point diffraction interferometer element, and a new optical interference probe based on this is set up to measure the deflection or amplitude of the cantilever.
发现了由于V形微探针的结构特点而引起的点衍射干涉现象,并据此构成了一种基于点衍射干涉的微探针振幅测量的干涉光探针,这种干涉光探针在国内外至今未见相同的报导。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections.
其中阶梯型全倾角偏移既能有效地消除交叉干扰,又能保持大倾角反射波的振幅特性。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections.
其中阶梯型全倾角偏移既能有效地消除交叉干扰,又能保持大倾角反射波的振幅特性。
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