杂波

Use numeric calculative method, serve as loss of constant false alarm and false alarm aiguille respectively measure algorithm to be below much target and clutter brim environment the standard of function actor bad.

采用数值计算的方法，将恒虚警损失及虚警尖峰分别作为衡量算法在多目标和杂波边缘环境下性能优劣的标准。

Then angular motion compensation and Radon transformation are performed to the ISAR image. A novel search algorithm based on the edge detection is used to divide the target from the sea clutter in the end.

利用ISAR技术得到回波二维像，差波束补偿之后，对其进行Radon变换，再利用该文提出的结合边缘检测技术的搜索算法得到的参数，完成目标与海杂波分离处理。

Theoretical analysis and simulation results show that this method is better than one-dimensional methods, such as AMTI.

理论分析和仿真结果表明，该方法信杂比改善性能优于AMTI等一维杂波抑制方法。

In display parts of the above-mentioned system, one key technology of the digital of radar video image has been solved. After A/D conversion and clutter suppression pretreatment, the radar analog data can be converted from polar coordinates to orthogonal coordinates and displayed in real time. Further, the image can achieve higher resolution and display speed in host.

本文所述显示系统中，结合实际需要，解决了该系统中雷达图像数字化的一种关键技术，将雷达模拟回波数据经A/D变换和杂波抑制预处理后，从极坐标到直角坐标实时地转换，并在计算机的光栅扫描显示器中显示，能够获得分辨率较高、实时性较好的雷达图像。

Wavelet Deubechies lower-estimated the effect of clutter as well as the residual of the Gaussian noise and the independence of test results demo.

详细说明： Deubechies小波核下的杂波估计效果以及残留噪声的高斯性和独立性检验实验结果演示程序。

Translation invariant discrete wavelet transform ; Doppler ultrasound ; blood signal ; clutter rejection ; spectrum estimation

平移不变离散小波变换；超声多普勒；血流信号；杂波抑制；频谱估计

Its main function is to produce radar echoes , clutters and noise .

它的主要功能是用来产生目标的回波，杂波和环境噪声，在前端电波不存在的情况下对雷达分系统进行调试。

Its main function is to produce radar echoes, clutters and noise. Its used for radar subsystems debugging when the microwave frontend is not available.

它的主要功能是用来产生目标的回波、杂波和环境噪声，在前端电波不存在的情况下对雷达分系统进行调试。

At last this paperintroduced the multi-interval cycle MTI and applied it to the pseudo-random-codephase-coded quasi-continuous wave radar.This work achieved valuable simulation result.

论文最后将多间隔周期MTI应用于伪码调相中断连续波雷达的固定杂波对消，得出了有价值的仿真结果。

This thesis discussed the wave forms of the pseudo-random-code phase-coded quasi-continuous wave radar. Then studied the working process of its receiving system and analyzed its noise and clutter environment. This thesis constructed the simulation flow chart .

论文首先对伪码调相中断连续波雷达的信号波形进行分析，接着研究伪码调相中断连续波雷达数字化接收系统的工作过程及噪声与杂波环境，构建了接收系统的仿真模型。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。