| 1. | Because multipath searcher and code tracking are accomplished on the hardware , the complexity of the circuit should be concerned
同时由于多径搜索和同步跟踪是在硬件上进行处理,实现电路的复杂度也需要考虑。 |
| 2. | The control hardware for real time dynamic image grabbing and grading was designed , and the facility used for synchronous tracking of fruits was also set up
课题完成了对动态图像采集和分级控制的硬件设计，实现对水果实时位置信息的同步跟踪。 |
| 3. | Synchronization technique of spread spectrum code is utilized in two stages . multipath searcher coarsely estimates the pn code phase and code tracking confirm the pn code phase precisely
这需要采用扩频系统中扩频码同步技术,即:多径搜索粗略地估计pn码相位,同步跟踪精确确定pn码相位。 |
| 4. | We proposed a new arithmetic of bit synchronous and come to the conclusion that we can complete synchronization track by using the method when the number of sample is less 3 in a chip
本文提出了一种新的位同步的算法，并利用systemview软件进行了仿真，得出当在一个码元内的采样点不少于3个的时候，采用这种同步可以完成同步跟踪的结论，并给出了算法流程。 |
| 5. | Most of the work is focused on frame detection , carrier and symbol timing offset estimation , and their implementation structures . tracking loops and performances of three demodulation modes are also discussed respectively
深入研究了上述三种突发调制模式全软件接收的突发信号检测，载波频率、相位、定时误差估计，同步实现结构，以及同步跟踪方法、特点和性能。 |
| 6. | This control system involves in the dynamically management and control of the cost , progress , and quality , and focuses on the cost integrated control with the eligible progress and quality according as the relation between each procedure cost and progress
该系统综合考虑了施工项目成本、工期和质量三者的同步跟踪与控制，以各工序成本和工期之间的函数关系为依据，重点解决在满足工期和质量要求前提下的施工项目的成本控制问题。 |
| 7. | And the pn code tracking scheme adequate for the wcdma uplink is presented and combined with the mulipath acquisition and channel estimation algorithms to complete the rake receiver scheme . computer simulations show the tracking scheme meets the requirement of wcdma uplink in 3gpp protocols and has good performance
通过大量的计算机仿真和验证，证明本论文提出的同步跟踪方案完全能达到3gpp协议对上行链路接收机的要求，具有较好的性能，同时指出进一步研究和提高的思路。 |
| 8. | Multipath acquisition decide the coarse pn code phase and pick up the available multipath components . following , code tracking confirm the pn code phase precisely and track every multipath component ' s delay drifting due to doppler effect . in this paper , the code tracking technique in spread spectrum communication is introduced
本论文首先介绍了在扩频通信中采用的同步跟踪技术，结合wcdma上行链路的特点，提出了适合wcdma上行链路的pn码跟踪方案，并与现有的多径搜索和信道估计算法构成完整的上行链路rake接收机方案。 |
| 9. | Abstract : a new technology of frequency tracking and synchronizing is given in this paper at the first time . this technology is digital non - temporarystate frequency tracer , in which digital and logical circuit is adopted to accomplish frequency - tracking and synchronizing accurately . it has some advantages such as simple circuit , adjustable relationship of inpur and output , no temporart state procedure , so this technology has wide application foreground in electrical technology and modern communication field
文摘:提出一种新的频率跟踪技术? ?数字式无暂态频率跟踪器，该技术采用数字逻辑电路实现了频率精确同步跟踪，具有电路简单、输入输出频率关系可调、没有暂态过程等优点，在电子技术和现代通信等科技领域具有广泛的应用前景。 |
