current echo
英 [ˈkʌrənt ˈekəʊ]
美 [ˈkɜːrənt ˈekoʊ]
【电】电流回音
双语例句
- Performance Analysis of Surface Current Extraction by HF-SAR Based on First Order Sea Echo
基于一阶海洋回波的HF-SAR提取表层海流性能分析 - The complexity research were analysed from five aspects: historical review, survey of current situation, evaluation about schools, some views and philosophical echo.
对复杂性研究从五个方面进行了论述：历史回顾，现状概述，学派评介，几点认识，哲学回响。 - The narrow-beam HF radar sea echo cross section equation is improved in theory when ocean surface current is considered. The sea echo Doppler frequency spectrum is simulated and the numerical results analysis and discussion are given.
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。 - In this paper a computational method for the extraction of surface current from HF GWR echo Doppler spectrum has been proposed.
本文提出了一种由高频地波雷达回波多普勒谱提取表层海流的计算方法，并对一组实验数据进行分析和计算。 - Simulation results show that if the size of a resolution cell in azimuth direction is properly chosen, the velocity of surface current can be estimated by extracting the Doppler centroid and the Doppler rate from the azimuth echo. The precision is enough to meet the requirements.
仿真结果显示，通过选取适当的方位分辨单元大小，从方位向回波中提取出多普勒中心频率和调频率，能够估计出表层海流的流速和流向，且精度满足要求。 - Based on the scattering theory of the interaction between HF radio wave and the sea surface, the HFSWR extracts ocean dynamics parameters such as wind, wave and current by observing and analyzing the sea echo signal.
它是基于高频无线电波与海面相互作用的散射理论，通过观测和分析高频地波雷达接收的海面回波信号，提取与海面状态有关的信息，如海面风、浪、流等海洋动力学参数。