| 1. | Cdma is a kind of advanced wireless spread spectrum technique
码分多址技术( cdma )是一种先进的无线扩频技术。 |
| 2. | Spread spectrum technique can improve the robustness of watermarking
扩频技术应用于数字水印，可以提高水印的鲁棒性。 |
| 3. | Spread spectrum technique has been widely used in remote underwater acoustic communications recently
近年来扩频技术在水声通信特别是远程水声通信中的使用越来越多。 |
| 4. | Then watermark will be embedded into the origin image in wavelet domain after be processed by spread spectrum technique
然后采用扩频技术将水印处理后在小波域中嵌入到载波图像中。 |
| 5. | Adopting spread spectrum technique , it can reduce emission power and achieve high precision location offshore
应用扩频技术,可以大大降低对发射功率的要求,实现海上的高精度导航定位。 |
| 6. | Spread spectrum technique has been widely used in military and civilian communications for its advantages , such as anti - jamming ( aj ) and low probability of detection ( lpd )
扩频技术由于其具有抗干扰、隐蔽性好等优点,广泛应用于军事和民用通信系统中。 |
| 7. | The paper firstly analyses the fundamental principles of the direct sequence spread spectrum technique , the arithmetic in the frequency - domain by using the technology of the spectrum correlation adaptive filter
本文首先就设计中选择采用的直接序列扩频技术、以及在频域中实现直序扩频信号中多窄带干扰抑制的自适应算法的基本原理做了分析。 |
| 8. | Because of using spread spectrum technique , phase - coded radar has good anti - jamming capability and low probability of intercept property . so more and more attention has been paid to the research on it for military and civil application
相位编码雷达采用扩频技术使其具有良好的抗干扰能力和低截获概率特性，因此在军民两用方面其研究日益受到人们的关注。 |
| 9. | These demand to develop a more reliable remote control system . based on the analysis of underwater acoustic ( uwa ) channel , this thesis designs an auto - replying lduwarc system by means of spread spectrum technique
针对上述问题，本文在水声信道分析的基础上，设计了一种基于扩频技术的自主应答式远程声遥控系统，系统着重考虑了系统的调制方式和自主应答的方式。 |
| 10. | Chapter two demonstrates the performances of spread spectrum technique systematically . then the working principle of direct sequence spread spectrum ( dsss ) model is introduced , and the interference immunity properties are particularly discussed
第二章对扩频通信技术的性能进行了系统分析，介绍了直接序列扩频方式通信系统模型的工作原理，详细论述了该系统的抗干扰性能。 |
