高频地波雷达,HF ground wave radar
1)HF ground wave radar高频地波雷达
1.Detection of targets on the sea surface usingHF ground wave radar based on time-division dual frequency;基于分时双频的高频地波雷达海面目标探测
2.Waveform design for long-rangeHF ground wave radar with offing sea-echo suppression;近海回波压制远程高频地波雷达波形设计
3.Super-resolution estimation of the ocean surface current for theHF ground wave radar;高频地波雷达海洋表面流方位的超分辨估计
英文短句/例句
1.Design of synchronous control systems for multi-HF surface wave radars多频高频地波雷达同步控制系统设计
2.Estimation of Target Altitude in HFSWR Based on EKF;基于EKF的高频地波雷达目标高度估计
3.Time-frequency characteristics of the ionospheric clutters in high-frequency surface wave radars高频地波雷达中电离层杂波的时频特征
4.Design of the Minitype Broadband Transmitting Antenna in HFSWR小型宽带高频地波雷达发射天线设计
5.Research on Intermediate Frequency Sampling System and Dither Technique in HF Radar;高频地波雷达中频采样系统及抖动技术的研究
6.Research on Intelligent Optimization System of High-Frequency Surface Radar"s Operating Frequency高频地波雷达智能频率优选系统的研究
7.Design of Multi-Channel Multi-Frequency HF Ground Wave Radar DDS Digital Signal Generator多通道多频高频地波雷达DDS数字信号源的设计
8.Numerical Simulation of Shallow-Water Wave and Assimilation of High Frequency Ground Wave Radar;浅水波浪的数值模拟和高频地波雷达资料同化
9.High frequency ground wave radar sea clutter predicting based on artifical neural network selection and ensembling高频地波雷达海杂波神经网络选择集成预测
10.Pulse Compression and Waveform Parameter Design for HFGWR高频地波雷达的脉冲压缩和波形参数设计
11.A High-Resolution Algorithm for Extraction of the Ocean Scattering Characteristic from HF Ground-Wave-Radar高频地波雷达提取海面散射特性的高分辨算法
12.Positioning Accuracy in Monostatic-Bistatic Composite High Frequency Surface Wave Radar Network单双基地复合高频地波雷达网定位精度分析
13.Super-resolution estimation of the ocean surface current for the HF ground wave radar高频地波雷达海洋表面流方位的超分辨估计
14.Study of Target Detection and Estimation for Shipborne High Frequency Surface Wave Radar;舰载高频地波雷达目标检测与估值研究
15.Maneuvering Target Detection in OTHR;高频地波雷达机动目标检测方法的研究
16.Application of HF Ground Wave Radar to EEZ;高频地波雷达在海洋领域中的若干应用
17.Sea Surface Currents Detection at The Eastern China Sea by HF Ground Wave Radar OSMAR-S便携式高频地波雷达东海表面流探测试验
18.Design and Realization of Simulation Software for IF Surface Wave Radar Performance高频地波雷达系统性能仿真软件的设计与实现
相关短句/例句
high frequency ground wave radar高频地波雷达
1.Research on the application of adaptive techniques inhigh frequency ground wave radar;自适应技术在高频地波雷达接收系统中的应用
2.Design of High Frequency Ground Wave Radar Responder;高频地波雷达应答器的设计
3.According to the characteristic of echo signals ofhigh frequency ground wave radar,a novel method of calculating target′s direction of arrival(DOA) without array-calibration which based on a two-rows linear array is proposed in this paper.针对高频地波雷达回波信号的特点,提出了一种基于4阶累积量的阵列无源校正的方法。
3)HFSWR高频地波雷达
1.Adaptive Suppression of the Ionospheric Clutter in theHFSWR;高频地波雷达中电离层杂波的自适应抑制
2.Estimation of Target Altitude inHFSWR Based on EKF;基于EKF的高频地波雷达目标高度估计
3.Estimation of ship targets radar cross sections forHFSWR高频地波雷达海面舰船RCS预估
4)HF surface wave radar高频地波雷达
1.Analysis of propagation characteristics and detection range ofHF surface wave radar;高频地波雷达传播特性及其探测距离分析
2.Range aliasing and range ambiguity ofHF surface wave radar高频地波雷达距离混叠与距离模糊研究
3.The strong first-order sea echo ofHF surface wave radar (HFSWR) affects seriously the detection of target with slow speed, and for wide-beam radar, first-order Doppler spread widens the “blind” speed zone much more.高频地波雷达过强的一阶海洋回波不利于海面低速移动目标的检测,宽波束雷达一阶峰的展宽更是增大了目标检测的速度盲区范围。
5)high frequency surface wave radar高频地波雷达
1.Wavelet analysis-based suppression of ionospheric clutter inhigh frequency surface wave radar;基于小波分析的高频地波雷达电离层杂波抑制
2.Ionospheric clutter suppression inhigh frequency surface wave radar based on time-frequency analysis;基于时频分析的高频地波雷达电离层杂波抑制
3.To suppress the radio disturbance ofhigh frequency surface wave radar (HFSWR), a method of polarization signal processing is proposed, which integrates polarization-vector translation (LPVT), nonlinear polarization-vector translation (NLPVT) and multinotch logic-product polarization (MLP) filtering together.为抑制高频地波雷达电台干扰,提出用线性极化变换(LPVT)、非线性极化变换(NLPVT)和多凹口逻辑积极化(MLP)滤波相结合进行极化处理的方法。
6)High-frequency Surface Wave Radar高频地波雷达
1.Time-frequency characteristics of the ionospheric clutters in high-frequency surface wave radars高频地波雷达中电离层杂波的时频特征
延伸阅读
甚高频和超高频多普勒雷达工作在30～3000兆赫频段的气象多普勒雷达。一般具有很高的探测灵敏度。因探测高度范围可达1～100公里，所以又称为中层-平流层-对流层雷达 (MST radar)。它主要用于探测晴空大气的风、大气湍流和大气稳定度（见大气静力稳定度）等大气动力学参数的铅直分布。原理 这类雷达通过以下几类电磁波和大气的相互作用,对晴空大气进行探测:①由大气湍流运动引起的折射率不均匀结构对电磁波的散射；②稳定大气分层结构对入射电磁波的部分反射；③有时出现于中层大气的自由电子对电磁波的散射；④中层大气中的流星余迹散射。散射体积内空气的运动，使雷达回波具有多普勒频偏。结构 MST 雷达的结构和气象多普勒雷达大致相同。其特点在于：它们一般配备了大型天线（天线阵），有些甚高频段雷达的天线阵，尺度达 30～200米，采用半波振子阵或八木天线振子阵，以相控方式实现波束扫描。超高频段雷达采用直径几十米的可动抛物面天线，这类雷达的发射功率在几百千瓦至 2兆瓦之间，发射功率和天线面积的乘积值在106～1010瓦·米2之间。此外，为获得高灵敏度和高空间分辨率，在脉冲发射体制和回波数据处理方面，也采取一些技术措施。用途 利用回波的多普勒频谱可以进行下述各项测量：①探测大气风场的铅直分布。同一仰角，空间分辨率约为 150～1000米，采用脉冲压缩技术后，分辨率已可达到15米。②探测大气湍流结构。可以给出平均折射率湍流结构常数(C厒)的铅直分布。再引入一些大气湍流模式后，可以推算出湍流耗散率的铅直分布。③探测对流层顶高度及逆温层的高度和厚度。目前，甚高频和超高频多普勒雷达还只能测定上述气象要素的铅直廓线及其时间变化，而不能给出三维空间分布资料。参考书目K.S.Gage，B.B.Balsley,Doppler Radar Probing of the Clear Atmosphere,Bulletin of American MeteorologicalSociety,Vol.59，No.9，pp.1074～1093，1978.
