| 1. | Such waves are said to be noncoherent .
这种波被称为非相干波。 |
| 2. | Performance analysis of coded noncoherent hybrid ds - sfh spread spectrum communication systems
扩频通信系统性能分析 |
| 3. | Noncoherent modulation system
非相关调变系统 |
| 4. | In chapter 3 , two robust noncoherent chaotic digital modulation schemes are in detail described
2 、本文第三章给出两种性能较好的数字键控通信方式。 |
| 5. | Secondly , the common noncoherent - integration monopulse radar angle - measuring method is analysized in the weighting viewpoint , it is equal to the linear weighting on the result of single pulse angle measuring using signal amplitude of sum channel
采用加权的观点分析了常规的单脉冲雷达非相参积累测角方法，指出其实质相当于对单次脉冲测角的结果用和通道信号幅度进行线性加权。 |
| 6. | The principle of double cladding fiber laser is analyzed , simply illustrated the principle and drawbacks of noncoherent beam combination , the coherent beam combination method of multiple optical power amplifier and its advantages are discussed in detail
分析了双包层光纤激光器的工作原理，简单介绍了非相干组束的原理和缺陷，重点阐述了并联主振荡相干组束方法及相干组束的优势。 |
| 7. | First , we analysize the performance of coherent and noncoherent dlls , then we give an implementation scheme of dll and a design method of carrier tracking loop . the design methods and a implemention scheme of a fir shaping filter is proposed in the fifth part
首先分析了相干和非相干延迟锁定环的性能，接着给出了一种dll跟踪环路的实现方案和一种载波跟踪环路的设计方法。第五部分介绍了一种fir成型滤波器的设计和实现方法。 |
| 8. | Finally , a kind of noncoherent - integration monopulse radar angle measuring algorithm based on square amplitude weighting method is developed , the computer simulation proves that this algorithm is prior to the common noncoherent - integration angle measuring method under all kinds of snr conditions
最后提出一种基于幅度平方加权的单脉冲雷达非相参积累测角算法，仿真表明在各种信噪比条件下这种方法的测角精度都优于常规的非相参积累测角方法。 |
| 9. | The conclusion is identified by computer simulation . the paper studies a noncoherent demodulation based on differential encoding in mc - cdma system and makes computer simulation of ber performance compared with that of coherent demodulation based on perfect channel estimation
研究分析了一种使用差分编码的非相干接收mc - cdma系统，对频率选择性瑞利衰落信道条件下的误码率性能进行了计算机仿真，并且和基于理想信道估计的相干解调方案进行了比较。 |
| 10. | Through the noncoherent integration of great numbers of data , and by using hough transform the features of signals in low snr ( signal - to - noise - ratio ) can be extracted . therefore , the hough transform may play an important role in the automatic track initiation and the processing of images with low snr environment
通过大量数据的非相干积累，利用hough变换可在低信噪比下提取信号特征，这在低信噪比自动航迹起始以及低信噪比图像处理中有重要的应用价值。 |
