英汉例句

• the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics.

  本文从分析高频海杂波反射特性以及平台运动引起海浪展宽机理入手，建立便于理论研究的一阶展宽的海杂波和二阶海杂波模型；

• by sea clutter and ground clutter modeling, electron jammer modeling atmosphere attenuation modeling, the cruise missile flight con.

  通过建立杂波模型、电子干扰模型以及大气衰减模型，分析了巡航弹飞行环境对雷达探测性能的影响。

• based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.

  基于海杂波散射机理，深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。

• sea clutter impacts seriously on the effect and efficiency of maritime surveillance radars. the research on sea model will benefit optimum detection algorithm design and performance prediction.

  工作于海洋环境下的雷达面临较严重的海杂波的影响，海杂波统计模型的研究对最优检测算法设计和雷达性能预估有重要作用。

• this paper discusses various methods of test of nonlinearity of time series. real-life sea clutter data are tested with the iaaft method combined with redundancy.

  讨论了时间序列的几种非线性检测方法，将代理数据产生方法中的iaaft方法与冗余方法结合起来，对实测海杂波数据进行非线性检测。

• it is well known that the study of sea clutter characteristics is very important for radar and microwave remote sensing.

  长期以来，海杂波特性研究一直是雷达和微波遥感界普遍关心的问题。

• the classical statistical detection theory taking sea clutter signal as stochastic signal, greatly reduces the capability of signal detection.

  经典的统计检测理论把海杂波作为随机信号处理的做法大大降低了信号检测的性能。

• the model for describing amplitude characteristics of sea clutter is given by a k-distribution model.

  本文海杂波的幅度分布特性采用k分布模型。

• one of the topics of the research in this paper is to obtain a certain cfar method to meet the special requirement of radar-guider working in sea clutter background.

  本文课题的研究即寻找适用的恒虚警率处理方法，满足雷达导引头在海杂波背景工作的特殊要求。

• the main content of this paper is the cfar detection technology in the strong sea clutter background with high-grazing angle.

  本文以强海杂波背景下高掠射角情况的恒虚警检测技术为主要研究内容。

• in sea clutter environment, the radar-guider will be interfered by the clutter seriously, especially with a high grazing angle, and fierce sea clutter makes detection more difficult.

  在海杂波的背景下，雷达导引头受到杂波干扰十分严重，尤其是在高掠射角情况下，强海杂波使得目标检测十分困难。

• small targets detection in sea clutter is an important and difficult problem for shipborne(or shore-based) radars.

  舰载（或岸基）雷达对海面小目标检测是一个重要而困难的课题。

• this paper describes a kind of accumulation technology for slide-window detector in frequency-agile radars to restrain sea clutter more efficiently.

  本文描述一种滑窗式检测器的积累技术。用这种技术可以提高频率捷变雷达抑制海浪杂波的能力。

• a method is proposed to simulate sea clutter in evaporation duct environment based on zero memory nonlinearity(zmnl) for modeling radar signalling.

  针对海上蒸发波导环境中雷达目标的识别，提出了蒸发波导中基于零记忆非线性变换（zmnl）的海杂波实现方法。

• after this, a method for detecting weak signals in sea clutter by neural networks is presented. and the detecting model of radar is introduced.

  在此基础上，提出了强海杂波中的微弱目标信号检测的神经网络方法，给出了雷达检测的模型。

• adopting the model of fractional brownian motion, this paper presents the method of deducing hurst exponent based on the observed sea clutter of s-band radar.

  提出了一种基于分形布朗运动模型的s波段雷达海杂波分形维数提取方法。

• the target detection technology under the sea clutter plays an important role in both military and civilian areas.

  海面目标检测技术在军用和民用方面都有很大实用价值。

• simulation results show that the method can remarkably attenuate 1st bragg sea clutter when platform velocity slightly vibrates over the theoretical value.

  计算机仿真结果表明：当平台运动速度沿理想值波动较小时，可通过空域插值获得较好的杂波抑制效果。

• in the paper the amplitude characteristic of echo signal and its conjugate signal are analysis, based on that a detection method based on conjugated frft in sea clutter is proposed.

  文中分析了回波信号以及其共轭信号的frft幅值特性，并利用此特性提出了一种基于共轭frft模函数对消的海面运动目标检测方法。