Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
The adaptive monopulse at subarray level is required for applying monopulse technique in multi-function phased array radar.
子阵级自适应单脉冲是将单脉冲测角应用于多功能相控阵雷达所需要采用的技术。
Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields FDTD. A method to calculate triangular lattice array is put forward.
有源结构中以波导口径相控阵天线为例，将透明源技术与辅助场FDTD结合起来，并提出了一种分析三角形栅格阵列的方法。
Digital array radar (dar) is a fully digitized phased array radar in which digital beamforming technique is used both in receiving and transmitting.
数字阵列雷达是一种接收和发射波束都采用数字波束形成技术的全数字阵列扫描雷达。
In order to detect the seismic signal from phased array vibroseis, it applied the correlation technique and defined the reference signal.
这里给出了可控震源相控阵系统模型，及采用相关技术实现相控震源地震信号检测的原理，并设计了相关用参考信号。
In ultrasonic testing, ultrasonic phased array technology and synthetic aperture focusing technique have been proved to be two kinds of effective new technologies.
在超声检测领域，超声相控阵技术和合成孔径聚焦技术已被证明是两种行之有效的新技术。
There are many methods to measure the pattern of phased array antenna, such as the technique of plane scanning in near field, focusing method in Fresnel zone, general method in far field, etc.
阐述了用聚焦法在菲涅尔区测试相控阵天线的理论依据及实现方法，用实验结果对近远场方向图进行了比较。
Also, the system composing of phased array ultrasonic imaging and its key technique are given, which set base for underwater ultrasonic imaging in theory.
还提出了相控阵超声成像的系统构成以及其中应用的关键技术指标，为水下超声成像的研究奠定了理论基础。
A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.
研究了一种利用近场测量技术全息成像相控阵天线口径幅相的方法。
A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.
研究了一种利用近场测量技术全息成像相控阵天线口径幅相的方法。
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