| 1. | The signal processing of radar moving targets using polynomial wigner - ville distribution
的雷达运动目标回波信号处理 |
| 2. | Efficient simulation method of underwater target echo based on complex envelopes
基于复包络的目标回波信号高效仿真方法 |
| 3. | This paper studies mainly on the cross - components in the underwater target echoes signal processing
本文以时频分析中的交叉项为主线，系统的研究了交叉项在水下目标回波信号处理中的应用。 |
| 4. | Underwater target echoes are typically nonstationary signals and time - frequency analysis is effective to deal with nonstationary signals
水下目标回波信号是典型的非平稳信号，时频分析是分析非平稳信号的有效工具。 |
| 5. | First , the return signal model is set up . the target return signal , clutter which has gauss power spectrum and noise of the receiver are included
首先讨论回波信号的生成，包括斯威林模型目标回波信号，接收机噪声以及具有高斯功率谱的杂波模型。 |
| 6. | This distance measuring system may suffice the need of high sampling speed and signal timing processing in echo disposal
针对毫米波探测系统的特点，测距系统能够满足采样速率快、信号实时处理的要求，可实现对地面目标回波信号进行实时采集和高速处理。 |
| 7. | Ccd ) , light signals from the object is covered by relay scattering when laser beam penetrates through the atmosphere . so the technique of range gate has been used in such system
当激光通过大气时，瑞利散射将使得ccd器件接收到的目标回波信号淹没在噪声信号之中，因此系统中采用了距离选通技术。 |
| 8. | The four - parameter basis functions decomposition of time - frequency signal representation is presented based on the characteristics of doppler frequency of the radar echoes , thereby dopplerlet transform is introduced
根据接收到的雷达目标回波信号的多普勒频率特性，提出用4参数基函数的时频信号表示法，从而引出多普勒小波变换的概念。 |
| 9. | It is clear from the analysis that although the processing in detail and compensation precision of these imaging algorithms are different , all algorithms base on the analysis of received signal in two frequency dimensions
从中可以认为这些成像方法的出发点是一致的，都是源于对点目标回波信号在两维频域下表达式的分析，只是具体处理的过程及补偿的精度有所差别。 |
| 10. | That is , modeling radar system with software , and then recurring the produce , transmission processing by computer . the core of res is modeling the scatter and transmission of radar echo signal and varied radar clutter signals
雷达模拟的核心是建立雷达目标回波信号及各种杂波信号散射、传播特性的模型。杂波伴随这雷达产生而产生，对于雷达的设计有着重要的影响。 |
