| 1. | Underwater data communication system s synchronization signal processing
水声数据传输系统中的同步信号处理 |
| 2. | Two new speech detection methods based on neural networks using barker coded synchronization signal are presented
提出了两种采用巴克码编码同步信号并基于神经网络的起点检测新方法。 |
| 3. | In this issue the different schemes mentioned above will be analyzed and the results are described by synchronization signal distribution intuitively
通过分析，比较了两种不同同步机制的不同性能，并用同步分布的方式对结果进行了直观的表达。 |
| 4. | It is conceived to introduce barker codes as synchronization preamble and add synchronization signal in front of speech signal to implement speech detection . the principle of this idea is presented
提出了引入barker码作为同步码，在语音信号前添加同步信号以实现起点检测的工作设想，并介绍了其同步原理。 |
| 5. | The system employs multicarrier modulation ( mcm ) technique as the modulation method , and linear frequency modulation ( lfm ) signal as the synchronization signal and digital signal processor ( dsp ) as the hardware ' s core chip
该系统选用多载波调制技术进行调制，选用线性调频信号为其同步信号，选择数字信号处理器为硬件核心芯片。 |
| 6. | Synchronized drive module produces horizontal drive signal in synchronization with horizontal synchronization signal and field drive sawtooth in synchronization with vertical synchronization signal . these signal drive scaning sytem of slltv
同步驱动模块产生与行、场同步的行同步驱动信号和场锯齿波驱动信号，用于驱动激光电视的扫描系统。 |
| 7. | The results of experiment tell it is an effective method of share current . a strategy of synchronization control , which combines competition coequality and priority , is mentioned in the paper and uses digital phase - lock loop to track synchronization signal
在同步控制上，应用了“优先与抢占”的方式产生同步信号，纯硬件实现，简单可靠；使用了成熟的数字锁相环来跟踪同步信号。 |
| 8. | Therefore , it is necessary to mount timing system alone in synchronization network node and the place where there are more telecommunication equipments and the important hinge , which supplies the primary synchronization signal conformed to the standard
因此，有必要在同步节点处或通信设备较多的地方以及通信网的重要枢纽处，单独设置时钟系统，对所在的通信楼的设备提供合乎标准的同步基准信号。 |
| 9. | Synchronization is the commander of every digital communication system , without it the system is unable to work orderly and correctly . a five - tuple of time - frequency diversity is adopted to guarantee that the synchronization signal be retrieved reliably in the receiver
同步是任何数字通信系统有序工作的“指挥棒” ，本研究采用5重时频分集的方法，使得在接收端能够可靠地恢复出系统工作所需要的同步信号。 |
| 10. | Bits supplies the synchronous timing signal to these equipments inside the telecommunicationt building , such as dps , atm , no . 7 , dxc , tm & adm in sdh , don and in etc . the related techniques are involved in the content of synchronization ne twork , timing distribution , the timing signal transportations x impairments etc . the second chapter tells the structure and the function of the building integrated timing system . the third chapter summarizes the digital synchronization network techniques , which emphasizes the basic concept of synchronization networks analyzes the necessity of building the synchronization network and introduces all kinds of synchronization methods . the fourth chapter represents the transportation of the synchronization signal
本文第二章讲述了通信楼综合定时系统的构成及作用：第三章概述了数字同步网技术，着重描述了同步网的基本概念，分析了建立同步网的必要性，讲述了各种同步方法；第四章阐述了同步定时信号的传输；第五章介绍了bits设备所支持的同步状态消息；第六章、第七章为本文的重点，通过对时钟信号建立数学模型，从理论上分析时钟内部噪声和相位瞬变产生时钟定时信号损伤的原理，企图寻找到更好地控制频率漂移的方法。 |
