The HF ground wave radar receiver system based on USB2.0 technique is introduced.
介绍了基于USB2.0技术的高频地波雷达接收机系统。
The test experiment illustrates using the HSP50216 in far-distance HF ground wave radar show that it improves…
实验证明,HSP50216的应用大大提高短波接收系统的灵活性和技术指标。
As a device match of the high frequency ground wave radar, the responder 'working is correlating with the radar.
作为高频频地波雷达的配套器件,应答器的工作方式和雷达密切相关。
For HF ground wave OTH radar to detect ship targets in the shipboard environment is faced with a range of technical challenges.
高频地波超视距雷达在舰载条件下探测舰船目标面临着诸多挑战。
The high frequency ground wave over-the-horizon radar can be adopted in detecting ocean state such as wind, ocean waves and ocean currents.
高频地波超视距雷达可以实现对海洋环境状态(如风、浪、流等海洋动力学参数)的监测。
During the near three decades, high - frequency ground wave radar detecting for sea has been regarded for its high performance by many countries.
近三十年来,高频地波对海探测雷达因其本身所特有的优点而引起了许多国家的高度重视。
Discusses the application of Minimum Variation Method (MVM) in extracting sea echo's space spectrum from HF Ground Wave Radar (GWR) 's detection.
论述了将最小方差法应用于高频无线电海洋探测中的一些处理方法和结果。
In 2009 the two together makes all the Chinese family "ratings, its ground wave red surpassing the latent ratings of the humble abode" hits episodes.
2009年两人共同打造的《中国家庭》收视率一路飘红,其地面收视率赶超《潜伏》《蜗居》等热播剧集。
In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated.
阐述从高频地波雷达海洋回波反演海洋表面流中,使用MUSIC算法提取径向流方位必须的信号预处理。
High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of National 211 for building subject.
软件高频雷达也是一部在岸边使用的高频地波超视距雷达,是国家211学科建设项目之一。
High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave Dopier spectrum to deduce the parameters of ocean situation.
高频地波雷达近海监测和海态遥感技术是一种利用海洋回波多普勒谱反演海态参数的方法。
The fully digitalized receiver is the important basis for software radio. Some key technologies about how to realize the HF ground wave radar receiver based on the HSP50216 are addressed.
全数字化接收机是实现软件无线电技术的重要基础,本文研究基于可编程四通道数字下变频器HSP5 0 2 16实现高频地波雷达数字接收机设计的若干关键技术。
The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.
海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。
In this paper, the ground wave scattering from a complex target is investigated by combining the FDTD technique of solving the semi-space scattering problem with the theory of ground wave propagation.
本文把求解半空间散射问题的FDTD技术与地波传播理论相结合,研究任意复杂目标的地波散射特性。
The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
冲击波形成了一个由压缩气体分子构成的圆锥体,它朝四面八方向外和向后移动,一直延伸到地面。
Microsoft's own Office dominates the market for "productivity" software, but the start-ups represented a new wave of technology designed from the ground up for the smartphone world.
微软自己的Office软件在“生产力”软件市场上占据主导地位,但这些初创公司代表了为智能手机世界从头开始设计的一波新技术浪潮。
A nuclear blast is an explosion with intense light and heat, a damaging pressure wave, and widespread radioactive material that can contaminate the air, water, and ground surfaces for miles around.
核爆炸会释放出高能量的光和热,破坏力巨大的压力波,而且四处飘散的放射性物质会污染数周围英里内的空气,水,和地表。
The earthquake is the sharp burst occurred within the earth produced in certain van around the shock wave, ground vibration phenomenon caused inside.
地震是地球内部发生的急剧破裂产生的震波,在一定范围内引起地面振动的现象。
When the primary air blast wave from the explosion strikes the ground another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时,由于波的反射便产生另一冲击波。
Principles and methods of obtaining coupling transmission line wave parameters in symmetry Three-Phase-Ground are presented by experimenting.
并给出用实验方法确定三相-地耦合传输线波参数的原理与方法。
How far can you ride a wave before it passes by you or you get ground into the sand?
在波浪过去的时候或者你冲入沙滩之前,你能被浪送出多远?
The wave band in each kind of long-distance range ground communication or the radar work, can not apply.
该波段在各种远距离地面通讯或雷达工作中,均不能应用。
A method for predicting the phase spectra of strong ground motion is presented based on the equivalent dispersion of wave motion and the approach for synthesizing ground motions is then studied.
本文在强震地震波频散研究的基础上,进行了强地震动场相位预测方法和多点地面运动时程合成方法的研究。
The spatially varying effects of the ground motions especially the traveling wave effect, have great influences on the dynamic responses of long-span structures.
地震地面运动的空间变化效应(特别是行波效应)对大跨度结构的响应有很大影响。
Further studies show that the horizontal vibration signal at the ground surface could also be used to get the R-wave dispersion curve.
本文研究结果还表明,地面水平振动信号也可以用来分析R波的弥散曲线和地基波速检测。
The time histories of ground responses and wave motions are presented, and it was found that significant wave propagations are generated when Mach number of moving load approaches or exceeds 1.0.
通过数值计算给出了地基表面振动的动力时程和三维波动场的分布,发现当移动荷载的马赫数接近或大于1.0时地基中产生明显的波动传播现象。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律,以及地振动信号和仪器记录的电信号之间的关系。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律,以及地振动信号和仪器记录的电信号之间的关系。
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