本论文研究了一种基于矢量传感器的被动声定向系统。
In this paper, a passive acoustic direction system based on vector sensor for underwater targets is proposed.
以三维矢量传感器为核心,构建海洋矢量声场观测潜标系统。
A submerged buoy system for ocean vector sound field measurement is designed with the three-dimensional vector sensor as a core.
单矢量传感器的互谱估计,将时域随机过程变换成了频域随机变量。
Cross spectrum estimation based on a single vector sensor has turned random process in time domain into random variables in frequency domain.
根据阵列信号处理原理,对单个电磁矢量传感器分析,并进行DOA估计。
Single electromagnetic vector sensor array is analyzed and DOA estimation in terms of the principles of array signal processing.
导出了累量域电磁矢量传感器及其阵列线性无关虚拟导向矢量个数的上界和下界。
The upper bound and the lower bound for the number of linear independent steering vectors are both derived.
如果将空间的位移变成时间的延迟,单个矢量传感器可以实现高分辨率的频率估计。
If the space shift invariance is replaced by the time shift invariance, the high resolution frequency estimation can be obtained using a single vector sensor.
本文针对水声环境和信号的特点,提出了一种基于矢量传感器阵的盲波束形成算法。
In this paper a blind beamforming algorithm based on vector sensor array is presented according to the characteristics of underwater acoustic environment and acoustic signal.
结果表明基于矢量传感器的算法比基于声压传感器的算法具有更高的频率估计精确度。
The results indicate that ESPRIT algorithm based on vector sensor can obtain higher resolution frequency estimation than that based on pressure hydrophone.
声矢量传感器是一种新型传感器,它可以空间共点,同时测量声场中的声压和振速信息。
The acoustic vector hydrophone is a new type sensor, which can simultaneously measure the pressure and particle velocity of the same point in acoustic field.
在数学上描述了矢量传感器的输出模型,矢量传感器互谱估计以及由此得出的方位估计。
The output model of vector sensor, vector sensor cross-spectral estimation and target bearing estimation are given.
利用矢量传感器在低频段的良好特性,实现了小尺寸声阵条件下的高精度目标DOA估计。
With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
本论文着重讨论矢量传感器浮标阵的被动跟踪问题,对涉及到的理论作了全面而深入的研究。
The paper focuses on the passive tracking of the vector buoy array and the involved theories are discussed deeply and thoroughly.
为了给方位估计的性能分析预备必要的统计知识,必需首先研究单矢量传感器互谱估计的统计特性。
In order to prepare statistical technology for the property analysis of bearing estimation, the statistical property of single vector sensor must be studied first.
在此背景下,本文尝试综述声矢量传感器信号处理研究的当前进展,如信号检测、DOA估计、波束形成等。
Under this background, we try to review recent progress in study on acoustic vector sensor signal processing, such as signal detection, DOA estimation, beamforming, and so on.
利用边界元方法,在不规则障板边界条件下,对矢量传感器的散射声场进行了计算,得出了传感器的指向性图。
This paper proposes a general model of sound scattering and directivity pattern for a vector sensor located on a complicated reflecting boundary.
矢量传感器由声压传感器和振速传感器同心复合而成,由它而构成的矢量阵在信噪比增益上体现了更大的优越性。
A vector sensor consists of pressure sensor and particle velocity sensor. Vector array has more advantages in the gain of signal-to-noise rate.
本文介绍了利用矢量传感器测量舰船辐射噪声能够获取较大增益的基本原理、设备和基本构成,以及实际测量结果。
The basic principle on applying the vector sensor to measure submarine radiated noise with high gain is presented in this paper. The device, measurement system and some experimental results are shown.
本文基于矢量传感器阵组合增益的理论分析,在不同方位给出了各种矢量阵组合增益的计算机仿真结果,理论分析与仿真结果吻合很好。
Based on the theoretical analysis of vector array combined gain, the simulation results of different bearings are given, which are in accord with the theoretical analysis.
单矢量传感器具有可电子旋转的偶极子指向性,声压、振速信息联合矢量信号处理在噪声背景下有良好的探测能力,矢量(传感器)阵能取得更好的能力。
Acoustic vector sensor with the electronic rotating directivity of dipole can effectively detect signal in the background of noises. More information can certainly be obtained by vector sensor array.
打个比方,如果你正在开发一款游戏,包括增强现实的应用,一个2维或者3维德罗盘应用,或者相机防抖的应用等,此时旋转矢量传感器就是最好的选择了。
Forexample, the rotational vector sensor is ideal if you are developing a game, anaugmented reality application, a 2-dimensional or 3-dimensional compass, or acamera stabilization app.
我将使用通过Wikipedia文档生成的矢量来演示集群,但是也可以从其他地方获取矢量,比如说传感器数据或用户资料。
I'll demonstrate clustering using vectors produced from Wikipedia documents, but the vectors can come from other areas, such as sensor data or user profiles.
基于线性无偏最小方差估计理论,提出了一种任意相关噪声异类传感器非线性系统状态矢量融合算法。
Based on linear unbiased minimum variance estimation theory, a fusion algorithm which fused the state vector of nonlinear systems with dissimilar sensors with arbitrary correlated noises is developed.
这一新的控制方案用速度推算算法取代常规转差频率矢量控制系统中的速度传感器,具有适用性广的优点。
In the new scheme the speed sensor of general slip frequency vector controlled system is replaced with speed calculation algorithm, so it has the merit of wide applicability.
以矢量方式控制电机、传感器的采样信号。
Sampled datum of motor and sensor are processed with vector.
举例说明日本电动车组交流传动无速度传感器矢量控制的优点、控制原理、在应用中需要解决的问题。
This paper illustrates the advantages and principle of vector control without speed sensor for Japanese EMU's AC drive, and the problems to be resolved in its application.
系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。
The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.
本文对一种新型的基于定子磁链定向的无速度传感器矢量控制系统作了研究和分析。
In this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.
在直接转矩控制理论基础上,推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
该方法不需要速度检测元件,从而为无速度传感器矢量控制系统的电气参数测试提供了一种有效、可行的方案。
Because of requiring no speed detecting devices, this method is effective, simple and practical conception for the electrical parameter measurement of sensorless vector control system.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
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