Besides, the bubble density and reflectance increased with the wake observation position approaching the target ship.
同时,随着观测点在尾迹中的位置距目标船的接近,气泡密度不断增大,反射率也随之增强。
However, those research was based on single target ship and there was little research on multi-ship radar plotting assessment system.
但目前的研究大部分是基于单物标船的研究,对于多物标雷达标绘评估系统的研究还很少涉及。
Using the concept of pseudo control variable, a simple state equation is constructed which describes the relative motion between an anti-ship missile and a target ship.
利用伪控制变量的概念,建立了简单的描述反舰导弹与目标舰艇相对运动的状态方程。
Remote control target ship is an indispensable training equipment during the peaceful times, which provides real training conditions for the Navy and enhances the combat level.
遥控靶船是和平年代不可缺少的训练用设备,它可以为海军打靶训练提供更加真实的环境,进一步提高海军的实战水平。
The national flag of a ship is also taken into account when choosing a target, with British vessels being increasingly avoided, according to the report.
根据报告,在选择目标的,船只上的国旗也在考虑之内,配有英国国旗的船只正在逐渐避免成为海盗的目标。
The system's component parts have likely been designed and tested, but U.S. sources have not detected an over-water test to see how well it can target a moving ship, Willard said.
Willard said系统的一部分很可能已经设计并测试,但美国的情报还没有侦查到全面水上的测试来看它是如击中移动的船只。
Mr. Tang has a 'buy' on the shares and has raised his 12-month target price to S$2.80 from S$2.43 on anticipation of higher profit margins and more ship deliveries.
他对扬子江船厂的股票评级为“买入”,并将该股未来12个月的目标价由2.43新元上调至2.80新元,原因是他预计该公司利润率将上升,并会有更多新船交付使用。
Finally, the test examines the target signal monitoring system positioning capabilities, monitoring methods and the feasibility of monitoring programs though the real ship.
最后,通过实船测试检验了监测系统对目标信号定位能力、监测方法以及监测方案的可行性。
The horizontal viewing sphere of ship target is divided into several aspects so as to reduce the amount of descriptive images and improve the recognition efficiency.
同时还对舰船目标的观察空间进行形态划分,减少目标表示所需图像数量,提高识别效率。
With internal weapons and no external fuel tanks, the F-35C with 20,000 pounds of internal fuel can fly more than 600 nautical miles to a target and return safely to ship or base.
在内置武器及不外挂油箱的情况下,F - 35 C机内可携带20,000磅燃油飞行向600海里外的目标并安全返回航母或是基地。
Then, according to the correlation between radar and ship, the BPA of target platform from radar basic probability assignment is obtained.
根据雷达和舰船的对应关系,由雷达概率分配函数推导出目标平台的基本概率分配函数。
Adaptability is the target for fuzzy control system. Two kinds of ship steering motion adaptive fuzzy control system are proposed.
自适应的模糊控制器是人们追求的目标,本文提出了两种船舶操纵自适应型模糊控制系统。
The intelligent tracking technique of ship IR imaging target is addressed.
研究了舰船红外成像目标的智能跟踪技术。
The experiment result with ship target infrared image shows that this method can locate precise ly the horizontal region and assures the validity and real-time of image segmentation.
结果表明,该方法能够有效地确定舰船目标红外图像中的海天线区域,保证了目标分割的有效性和实时性。
The paper presents a Kalman filter algorithm in the polar coordinates, describes the deduction process, the calculational formulas and target speed calculation method in air to ship attacking.
介绍了一个极坐标下卡尔曼滤波算法,给出了模型的推导过程及卡尔曼滤波的标量计算式,并给出了空舰攻击中目标速度的计算方法。
When we experiment on mine detection on the sea it is always found that the position of target in echo images is not fixed because of sway of ship and this reduces the veracity of detection.
在海上进行探测水雷的试验中,常常因为船体的摇摆而使回波图像中目标的位置不固定,影响了水雷探测的准确性。
This dissertation focused on the ship target detection and track at the port and in narrow channel.
本文主要针对港口、窄水道中船舶目标的检测、跟踪。
The real time recognition technique of infrared imaging guiding system ship target was discussed and a new recognition algorithm of ship infrared imaging target was proposed.
研究了红外成像型制导系统舰船目标实时识别技术,提出一种新的舰船红外成像目标识别算法。
Electromagnetic environment of ship, an extremely large complex target with various electromagnetic equipments, was simulated by parallel multi-level fast multipole algorithm (MLFMA).
针对舰船目标尺寸巨大、形状复杂、电磁设备繁多的特点,选取并行多层快速多极子技术来模拟仿真其电磁环境。
Aiming at recognizing ship target in high resolution satellite images, a classification method based on Support Vector Machine (SVM) is proposed.
针对高分辨率遥感图像舰船目标识别问题,提出了一种基于支持向量机的舰船目标分类方法。
The airborne OTH target indication radar for ship born helicopter not only provides relay guidance and longer range, but also improves the missile attack accuracy.
舰载直升机机载超视距目标指示雷达不仅能为舰载导弹进行中继制导,延长导弹射程,而且能够提高导弹攻击精度。
The article researches into the detection and identification of ship target.
本文主要研究了基于舰船磁场—水压场的目标检测与识别的问题。
This paper expatiates the notion of image fractal dimension and multi-scale fractal feature, proposes a ship target detection method based on multi-scale fractal feature.
阐述了图像分形维和多尺度分形特征的概念,提出了一种多尺度分形目标检测方法。
As an automatic decision-making assistance system, it can decide ship position relative to the continent, mark target position, assist navigation, and avoid the danger.
作为一个自动决策辅助系统,能连续确定船舶相对于大陆的位置、标定目标的位置,辅助导航和避险。
This paper describes the mechanism of ionosphere distortion and several correction algorithms. It is important for the improvement of ship target detection in practice.
本文分析了电离层失真的形成机理,并对几种失真校正方法进行了分析和比较,对工程中提高舰船目标的检测能力具有重大的现实意义。
According to the characteristic of the shaft-rate electric field of a ship, this paper proposes a detection method for the target signal based on the wavelet transform.
根据舰船轴频电场信号的特点,提出了基于小波变换的目标信号检测方法。
But the line located in the low frequency of ship noise spectrum has high intensity and stability. This fact provides new idea in estimating target motion parameters.
而处于舰船噪声低频区的线谱具有很高的强度和稳定度,这一事实为估计目标运动要素提供了新的思路。
The ship target's recognition in the IR image is the key technique in the anti-warship missile guiding. The effort of the guiding progress depends on the quality and speed of the target recognizing.
红外图像中的舰船目标识别是反舰导弹成像制导过程中的关键技术,舰船目标图像识别的质量和速度决定了制导过程的水平。
The ship target's recognition in the IR image is the key technique in the anti-warship missile guiding. The effort of the guiding progress depends on the quality and speed of the target recognizing.
红外图像中的舰船目标识别是反舰导弹成像制导过程中的关键技术,舰船目标图像识别的质量和速度决定了制导过程的水平。
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