| 1. | Pulse position modulation ppm 脉位调制 |
| 2. | For the cps signals , we propose a stochastically processing method to reduce distance side - lobe 深入地讨论了脉位调制脉冲串信号的处理方法。 |
| 3. | We study the techniques of generating the ppm - ps signals and intermediate frequency ( if ) sampling 研究了脉位调制脉冲串信号的产生和中频采样技术。 |
| 4. | Moreover , theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed 在此基础上,进一步讨论了随机脉位调制加随机二相码调相脉冲多普勒雷达原理。 |
| 5. | By introducing oppm ( overlap pulse position modulation ) , the system ' s performances are improved also . 5 study wireless optical cdma system 通过引入oppm (重叠脉冲脉位调制)方式,进一步提高了系统的传输效率。 |
| 6. | In this dissertation , we systematically study the pulse - position - modulated pulse - sequence ( ppm - ps ) radar signal theory and its applications to radar / fuze systems 本文系统地研究了脉位调制脉冲串雷达信号理论及其在雷达引信中的应用。 |
| 7. | Random pulse position modulation ( rppm ) signal not only has good resolution of distance and velocity , but also has low probability of interception and strong properties of eccm 随机脉位调制信号不仅具有良好的距离和速度分辨力,而且具有较低的被截获概率和较高的抗干扰性能。 |
| 8. | The results show that the cps signals have low probability of interception and strong anti - interference ability . 4 . we thoroughly discuss the processing methods of the ppm ps signals 研究结果表明随机脉位调制与随机二相码调相复合脉冲串信号是低截获概率信号,具有很强的抗干扰能力。 |
| 9. | Based on the definition of the average ambiguity function , the numerical expression of the average ambiguity function for the rppm pulse doppler radar signal is derived in this dissertation 本文从平均模糊函数的定义出发,推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。 |
| 10. | The main works include the analysis , generation and processing of ppm - ps radar signals , ppm - ps - based radar / fuze systems and key techniques of the radar / fuze system implementation 主要工作涉及脉位调制脉冲串雷达信号的分析、产生、处理以及脉位调制脉冲串雷达引信系统构成和实现的关键技术。 |