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1)  phase locked source
锁相信号源
2)  signal locking
信号锁相
1.
This paper uses the FPGA chip to realize the function of speed measuring part, signal locking part and SCR triggering time control part, phrase identification part, the purpose is to release the burden of primary control system and lower the complexity of hardware, at the same time.
通过用FPGA芯片来实现交流调速数字控制系统的测速环节、信号锁相和晶闸管触发时刻控制环节、鉴相环节的功能 ,以减轻主控系统的负担 ,降低硬件的复杂程度 ,同时具有一定的通用性和智能性。
3)  perfectly correlated signals
相干信号源
1.
On the basis of the spatial spectrum estimator MUSIC algorithm,some modified techniques are proposed because this algorithm isn t efficient for perfectly correlated signals;Several methods which bases on the ideas of spatial smoothing technique are introduced for uniformly linear array.
在空间谱估计MUSIC方法的基础上,针对该方法对相关信号源测向性能下降甚至失效的情况,对该方法进行了修正;针对均匀直线阵,介绍了几种基于空间平滑思想的用于解决相干信号源的方法。
2.
For the spatial spectrum estimator MUSIC algorithm isn t very efficient for perfectly correlated signals,a good method which bases on the ideas of spatial smoothing and array interpolation is introduced and an estimation method of AOA under multisectorial model is proposed.
由于空间谱估计 MUSIC 算法对相关信号源测向时会导致性能下降甚至失效,对于任意设置的平面天线阵列,文中介绍了一种基于空间平滑和阵列内插思想的入射角估计方法,可以较好的估计相干信号源的入射方向;并提出了一种多扇区情况下信号源方位角的估计方法。
4)  coherent sources
相干信号源
1.
In this paper,an introduction of DOA estimation of coherent sources is proposed,which is suitable for arbitrary plane array.
针对相干信号源测向以及模糊的实际问题,提出一种基于任意形状平面阵列的测向方法。
2.
Based on the mathematical model of coherent sources,both virtual array transformation and modified MUSIC algorithm are used to realize the azimuth estimation of coherent sources in this paper.
文中在建立了相干信号源数学模型的基础上,利用虚拟阵列变换思想和修正 MUSIC 算法实现了对相干信号源的方位估计。
5)  correlated signal
相关信号源
1.
The performance of DOA estimation for correlated signals by modified MUSIC algorithm;
修正MUSIC算法对相关信号源的DOA估计性能
6)  Phased Signal Generator
相控信号源
1.
Researches on Phased Signal Generator and Interfacing Techniques Based on PCI Bus of Multi-beam Swath Bathymeter;
多波束条带测深仪相控信号源及基于PCI总线的接口技术研究
补充资料:锁相放大器
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性质:又称锁相放大器,是一种采用相敏检波器的交流电压表。它可分为三个主要部分:信号通道,低通滤波器和参考通道。它只检出与输入信号同频、同相的信号(包括噪声)。由于噪声的随机性,具有同频、同相噪声的可能性很小,因而大幅度降低。在电化学测量中,它常用来检测微弱信号,广泛应用于交流阻抗法、原位光谱法、极谱法等测量;对于半导体光电化学的研究也是不可缺的工具。

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