The narrow-beam HF radar sea echo cross section equation is improved in theory when ocean surface current is considered.
考虑有海水表面流的情况下,从理论上对窄波束高频(HF)雷达海面回波的截面方程作出改进,并模拟出此时的回波多普勒频率谱,同时对结果进行分析和讨论。
According to Barrick s forst-order and second-order sea echo radar cross section equations of HF radar,combined with ocean wave spectrum and the equal-frequence contour line,the narrow-beam sea echo doppler spectrum was simulated.
根据Barrick导出的海面回波的一阶和二阶高频雷达截面方程,结合海浪能量谱,利用等频线方程,模拟出窄波束高频雷达的海面回波多普勒谱,并对模拟结果进行了分析。
Two methods are proposed to suppress this scattered noise: (1) Noise detection and attenuation in time-frequency domain; (2) Localized FK .
在海上地震勘探中,震源激发的地震波遇到起伏不平的海底或海底障碍物会产生侧面干扰波。
Sea-echo Doppler Spectrum of Over-the-horizon Radar and the Moving Ship Detection on Ocean Surface;
天波超视距雷达海面回波谱及海上航船目标检测
EXTRACTION OF WIND FIELD FROM HIGH FREQUENCY RADAR SEA ECHO DOPPLER SPECTRA
从高频雷达海面回波多普勒谱提取风场信息
Research on Non-acoustic Detection for Underwater Submarine based on Radar Sea Surface Echo
基于雷达海面回波的水下潜艇非声探测
Research on the Pretreatment of X-band Nautical Radar Sea-surface Image
基于X波段导航雷达海面回波图像预处理的研究
Method of signal simulations of active radar clutter from a chaff cloud above the ocean
主动雷达海面箔条云回波信号的仿真方法
Study on Inversing Sea Surface Atmospheric Duct from Radar Sea Clutter
雷达海杂波反演海面大气波导的研究
Study of Sea Echo Spectrum Characteristics for Sky-wave Over-the-horizon Radar
天波超视距雷达海洋回波谱特性研究
The wind made the sea rough.
风刮得海面波涛汹涌。
There' s a rough sea today.
今天海面上波涛汹涌。
A breeze ripple the surface of the sea.
微风使海面水波荡漾。
The typhoon heaved the sea into huge waves.
台风使海面波涛汹涌。
The sea was far from calm.
海面上依然波浪滔天。
The wind agitated the sea.
风使海面掀起波浪。
Modeling and Simulation of Multibeam Echo Signal in Shallow Sea and TOA Research;
浅海多波束测深回波信号建模及波达时间研究
relative change of sea level
海面相对变化准旋回
Analysis of Characteristics of Electromagnetic Wave Scattering and Clutter from Rough Ocean Surface;
粗糙海面电磁波散射与杂波特性分析
All of them looked back across the rough sea, looking for their strange captain and his horse.
他们大家都回头望着波涛汹涌的海面，搜索着他们那位奇特的船长和他的马匹。
As the deer was unable to go on with the vast sea before it, it stopped in its tracks and turned to face the young hunter, awaiting its death.
面临碧波万里的大海，梅花鹿走投无路，只得回头凝望着弯弓搭箭的猎人，等待死亡的来临。