Working on the imaging mode, the dar (digital Array Radar) needs to implement the broadband digital beamforming processing.
数字阵列雷达工作于宽带成像模式下,需要进行宽带数字波束形成。
Aiming at the problem of beam-dwell scheduling for digital array radar, the algorithm based on analyzing scheduling interval was studied.
针对数字阵列雷达波束驻留调度问题,研究了基于调度间隔分析的调度算法。
This paper analyses the structure of two-step DBF digital array radar and presents a design method of the realtime signal processing system.
分析了两级DBF收发全数字阵列雷达的结构特点,并针对此类雷达提出了一种实时信号处理机设计方案。
Digital array radar is a new type of phased array radar, able to increase its viability in ew, especially its anti-noise jamming performance.
数字阵列雷达是一种灵活的阵列雷达,可以通过数字技术完成所需的若干功能,尤其是抗噪声干扰等。
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。
The calculating equations for orientation elements of common digital camera are deducted using DLT method based on digital array coordinator assumption.
推导了采用基于数字阵列坐标的直接线性变换方法的非量测普通数码相机方位元素解算方法。
A new system of phased array radar is assembled by digital array units (DAUs), of which the antenna size is determined by the number and construction of DAUs.
一种基于DAU模块积木化拼装结构的新体制相控阵雷达,其天线阵面大小取决于DAU的数量和拼装形式。
In this paper, an overview of digital array radar is presented, including the basic concept, key techniques, recent progresses, potential applications and the future development.
本文对数字阵列雷达进行了综述,主要介绍数字阵列雷达的基本概念、关键技术、研究进展、潜在的应用以及未来的发展趋势。
Wideband digital array radar is a fully digitized array antenna radar, which employs wideband signal waveforms and uses digital beamforming technology in transmitting and receiving.
数字阵列雷达是一种新型相控阵雷达,为了提高它在电子对抗中的生存能力,必须提高它的抗干扰性能。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
本文结合工程的实际需求,对宽带恒定束宽波束形成的算法进行研究,并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题,导致信噪比降低,脉压主瓣展宽,距离分辨率下降。
Digital beam-combining for stronger, clearer signals -- Target hand-off between adjacent array panels。
演示达到了多项目标:与其他CDL无线电设备实现互操作、用多波束或多信道跟踪、数字波束生成更强、更清楚的信号、目标在邻近阵列板之间传递。
Digital projection display has become the mainstream in modern display field. Accurate focusing of the array pixel devices in these systems determines the quality of the displaying effect.
数字投影显示已成为现代数字显示领域的主流,阵列像素器件投影成像的的精确会聚,直接决定了显示的效果。
Even today, more people have basic mobile phones than have toilets, and those phones can provide a staggering array of digital services from banking to education to news and information.
通过手机操作网络银行,接受教育,浏览新闻,人们开始享受更便捷的服务。
The lovelorn must instead rely on an array of digital matchmakers.
单恋之人反而必须要依赖众多的数字配对者。
Digital beam forming (DBF) is special for phased array ultrasonic transducer compared to other ultrasonic nondestructive testing and is also the kernel technology of the whole signal-receiving system.
数字波束合成技术是相控阵超声检测相对于其它超声检测所特有的,也是整个信号接收处理系统的核心技术。
This paper deals with the design and implementation of Digital Up Conversion and Digital Down Conversion based on the field-programmable gate array (FPGA).
本文主要研究的是基于现场可编程逻辑阵列(FPGA)的数字上下变频技术的设计和实现。
The function of this preprocessor is to support parameterized design in array of input and output ports of a module for a digital system.
编译预处理器的功能是增强数字系统设计中对模块输入输出端口阵列等参数化设计的能力。
The digital antenna array is widely applied in military fields and civilian ones for its excellences.
数字天线阵列由于其众多的优点使其在军事和民用领域都得到了广泛的应用。
Feeding error comprizes phase quantization error produced by digital phase shifter, array tolerance and the error produced by failure element.
馈电误差包括由数字移相器的使用引入的相位量化误差、阵列公差和失效单元引起的误差。
Adaptive digital beamforming is a key technique which is must adopted in modern array antenna systems.
自适应数字波束形成技术是现代阵列天线系统必须采用的关键技术。
Smart antenna is a complex system including array antennas digital signal processing unit and adaptive arithmetic unit.
智能天线是个复杂的系统包括天线阵列,数字信号处理单元和自适应算法单元。
Spatial spectrum estimation technique is a new direction-of-arrival estimation technique based on multielement array and modern digital signal processing theory.
空间谱估计测向是一种以多元天线阵结合现代数字信号处理为基础的新型测向技术。
This paper presents a digital image encryption algorithm based on four-value chaotic array.
提出了一种基于四值混沌阵列的数字图像加密算法。
In this paper, we mainly study on properties of digital beamforming with subarray, construction of weighting network and an analog and digital weighting approach with plane array.
本文主要研究了子阵级数字波束形成的性能、加权网络的构建以及一种平面阵的模拟和数字加权方法。
Based on voltage-polarity-related EWOD phenomenon, a novel single-side coplanar electrodes array digital microfluidics is designed and fabricated.
论文研究了一种基于电压极性相关EWOD的单平面电极阵列结构的数字微流控器件。
Extensive research regarding the basic principle of the six-bit digital phase shifter used in phased array Radar is carried out in this paper.
对应用于相控阵雷达中的六位数字移相器的工作原理进行了深入的研究、并详细地介绍了它的设计方法和测试结果。
The phased array antenna is a discrete array, the beam of which is steered by the digital shifter.
相控阵天线是一离散阵,它的波束控制采用了数字移相器。
The phased array antenna is a discrete array, the beam of which is steered by the digital shifter.
相控阵天线是一离散阵,它的波束控制采用了数字移相器。
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