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高动态下
相关语句
  high dynamic situation
     To acquire and track the digital system,in the high dynamic situation ,the most important aspect in the problems of code tracking as well as carrier acquisition and tracking is to solve carrier tracking problem.
     在高动态下 ,在GPS信号的码跟踪和载波捕获与跟踪问题中最关键的是要解决在高加速度下的载波跟踪问题 .
短句来源
     In the high dynamic situation ,using the twelve channels correlator GP2021 of GEC corporation ,this paper analyses the peculiarity of carrier tracking circuit. On the ground of it ,it also presents an novel method to improve the performance of the carrier tracking circus.
     主要讨论了在高动态下 ,结合GEC公司的十二通道相关器GP2 0 2 1,载波跟踪环路的特性并在此基础上提出了一个新的方法来改善载波跟踪环路的性能
短句来源
  “高动态下”译为未确定词的双语例句
     Study of Acquisition and Tracking for High Dynamic GPS Signals
     高动态下GPS信号的捕获和跟踪技术研究
短句来源
     Firstly, the flexible element stiffness model was built by using elastic
     在系统的动力学建模方面,高动态下引入柔性环节,建立更为完整精确
短句来源
     At last, an Enhanced Time-Frequency Acquisition Scheme based above-mentioned thought is presented for high dynamic use.
     最后针对一些高动态下的应用提出了基于上述思想的改进的时-频域联合搜索方案。
短句来源
     Discusses the basic theory of PN code parallel fast acquisition of high dynamic in GPS,the method of confirming the auto adaptive threshold and some important problems in acquisition process.
     讨论了高动态下GPS伪随机码并行搜索的基本原理,以及自适应门限确定方法与搜索过程中应注意的问题。
短句来源
  相似匹配句对
     Trends
     动态:
短句来源
     Dynamic State
     动态
短句来源
     Mocrochannel Plate with Wide Dynamic Range
     动态范围微通道板
短句来源
     V. C.
     V.C;
短句来源
     High-accuracy Dynamic Goniometer
     精度动态测角仪
短句来源
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To examine the GPS signal in high dynamic situation,it is necessary to design code circus and carrier circus.To acquire and track the digital system,in the high dynamic situation ,the most important aspect in the problems of code tracking as well as carrier acquisition and tracking is to solve carrier tracking problem.In the high dynamic situation ,using the twelve channels correlator GP2021 of GEC corporation ,this paper analyses the peculiarity of carrier tracking circuit.On the ground of it ,it also presents...

To examine the GPS signal in high dynamic situation,it is necessary to design code circus and carrier circus.To acquire and track the digital system,in the high dynamic situation ,the most important aspect in the problems of code tracking as well as carrier acquisition and tracking is to solve carrier tracking problem.In the high dynamic situation ,using the twelve channels correlator GP2021 of GEC corporation ,this paper analyses the peculiarity of carrier tracking circuit.On the ground of it ,it also presents an novel method to improve the performance of the carrier tracking circus.

为检测高动态GPS(GlobalPositioningSystem)信号 ,需要设计码环及载波环的捕获与跟踪数字系统 .在高动态下 ,在GPS信号的码跟踪和载波捕获与跟踪问题中最关键的是要解决在高加速度下的载波跟踪问题 .主要讨论了在高动态下 ,结合GEC公司的十二通道相关器GP2 0 2 1,载波跟踪环路的特性并在此基础上提出了一个新的方法来改善载波跟踪环路的性能

This paper presents a new Bidirectional-Big-Step method to solve rapid acquisition of P-code, which offers better endurance for Doppler frequency offset and faster acquisition speed. Compared to the conventional acquisition method, the acquisition time would be shrunk more than 90%. At last, an Enhanced Time-Frequency Acquisition Scheme based above-mentioned thought is presented for high dynamic use.

提出了一种基于串并行结合的双向大步进P码快速捕获方案,提供了更大的多普勒频移容忍度和更快的捕获速度,与传统的滑动相关法相比捕获速度可以提高2个或更高的数量级。最后针对一些高动态下的应用提出了基于上述思想的改进的时-频域联合搜索方案。

Discusses the basic theory of PN code parallel fast acquisition of high dynamic in GPS,the method of confirming the auto adaptive threshold and some important problems in acquisition process.An all digital receiver implementation based on DSP and FPGA is proposed.System chart and process flow are presented.

讨论了高动态下GPS伪随机码并行搜索的基本原理,以及自适应门限确定方法与搜索过程中应注意的问题。提出了一种基于高速DSP和FPGA的全数字解扩接收机方案,阐述了工作流程,并给出了系统的结构框图,经测试验证实现了伪随机码并行快速捕获的功能。

 
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