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高动态接收机
相关语句
  high dynamic receiver
     Research on the Key Issue about High Dynamic Receiver
     高动态接收机的关键问题研究
短句来源
     The conclusions drawn in this paper can guide the design of PN code synchronization in high dynamic receiver.
     本文的结论为高动态接收机伪码同步技术提供了理论基础。
短句来源
  “高动态接收机”译为未确定词的双语例句
     A Satellites Signals Quick Acquisition Algorithm for the High Dynamic GPS Receivers in Warm Start
     高动态接收机的温启动快捕问题研究
短句来源
     This dissertation focuses on the carrier recovery in high dynamic navigation receiver, the effect of IQ mismatch in direct down conversion receiver and the signal to noise ratio estimator in navigation receiver.
     本文以二代卫星导航定位系统为应用背景,着重研究了接收机中的载波恢复技术、IQ非正交对伪码和载波影响的模型、载噪比估计技术。 本文对上述的三个方面分别进行了详细的论述:第一部分主要介绍了高动态接收机中的载波跟踪技术。
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
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High-dynamic GPS receiver is the receiver that can work properly when the carrier has high Doppler frequency shift which changes with the time. CPAFC carrier frequency tracking algorithms were often used to deal with high Doppler frequency. The code-track algorithms were researched which could work with the CPAFC carrier frequency tracking algorithms, and the system model was set up and it was simulated by Matlab simulink to give the result.

高动态的接收机指在接收信号的载波附有较高的随时间变化的多普勒频移时仍能正常工作的接收机。GPS接收机主要通过载波叉积自动频率跟踪技术以及载波辅助技术等方法来应对高多普勒频移。本次重点研究了高动态GPS接收机扩频接收核心技术中与载波叉积自动频率跟踪技术相匹配的GOLD码跟踪技术,在此基础上建立了仿真的系统模型,并根据此模型应用Matlabsimulink进行了具体的实现。

In spread spectrum receivers, due to dynamic factors such as the relative motion between transmitter and receiver and the instability of clock, there is code-frequency offset between the received and the local PN codes. The formulas for the correlation function of PN code in the presence of code-frequency offset and its mean are derived and verified in this paper. And then the effects of code-frequency offset on the correlation of PN codes, including spread of main-lobe, shift and loss of peak are studied. The...

In spread spectrum receivers, due to dynamic factors such as the relative motion between transmitter and receiver and the instability of clock, there is code-frequency offset between the received and the local PN codes. The formulas for the correlation function of PN code in the presence of code-frequency offset and its mean are derived and verified in this paper. And then the effects of code-frequency offset on the correlation of PN codes, including spread of main-lobe, shift and loss of peak are studied. The conclusions drawn in this paper can guide the design of PN code synchronization in high dynamic receiver.

在扩频接收机中,受发射机和接收机之间的相对运动和时钟频率不稳定等动态因素的影响,接收伪码和本地伪码之间会存在一定的频移。本文推导并验证了频移条件下的伪随机码信号相关函数及其均值公式,在此基础上分析了频移对伪随机码信号相关函数的影响,包括主瓣展宽、峰值移位和损耗等现象。本文的结论为高动态接收机伪码同步技术提供了理论基础。

 
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