According to the principle of view the Doppler frequency detection, the detector makes up of the transmitter, the transfer circuit, receiver and signal processing circuit.
根据多卜勒频偏检测原理,该探测器由发射机、转换电路、接收机和信号处理电路构成,发射信号是设计的关键。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
在卫星导航定位系统中,多普勒频率偏移是影响接收机性能的关键因素之一。
In the basis of pulse Doppler digital fuze, the programmable pulse generator, digital receiver and digital signal processor are designed in detail.
在脉冲多普勒数字化引信的基础上,详细设计了可编程脉冲发生器、数字化接收机和数字信号处理机。
There is great Doppler frequency shift under high dynamic circumstances, thus the common GPS receiver cannot work reliably without the help of inertial navigation devices.
高动态环境存在较大的多普勒频移,这使得普通的GPS接收机在没有惯导辅助的情况下很难可靠工作。
Doppler shift is unavoidable in underwater acoustic communications because of relative moving between the transmitter and the receiver.
在水声通信中,由于发射和接收平台之间的相对运动,多普勒频移是无法避免的。
High dynamic environment may cause a large Doppler shift, thus the general GPS receiver is difficult to work reliably without outside assistance.
高动态环境会造成较大的多普勒频移,这使得一般的GPS接收机在没有外界辅助的情况下难以可靠工作。
The Doppler frequency shift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.
从轨道方程出发,对影响卫星光链路接收机带宽的主要因素———多普勒频移进行了研究。
Estimation of the maximum Doppler spread or, equivalently, the speed of the mobile, is of an essential importance for the optimization of receiver algorithms.
估计最大多普勒频移或者是移动台的速度对于优化接收机的性能至关重要。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算,给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
Sband digital pulse Doppler weather radar; receiver is described in detail in this paper.
较详细介绍了一种S波段数字化脉冲多普勒天气雷达接收系统的实现。
The invention discloses a Doppler frequency searching method in a GNSS receiver and a correlator thereof.
本发明揭示了一种在GNSS接收器中搜寻多普勒频率的方法及相应的相关器。
According to the feature that the AGPS(Assisted GPS) receiver can obtain navigation data from assisted network, a new algorithm for assisted Doppler is proposed.
根据辅助型接收机能从 辅助网络获取导航电文的特点,提出了一种精简星历和卫星时钟参数辅助算法。
The structure of molecular Doppler wind lidar receiver is designed. The designed receiver could be placed on the mechanical etagere.
设计了分子测风激光雷达接收机的结构,该接收机结构紧凑可以放置在机架上灵活便捷。
C-band pulse Doppler weather radar receiver is described in detail in this paper.
介绍了一种C波段脉冲多普勒天气雷达接收机。
About GPS receiver, the research importance is high-dynamic receiver. The key is to solve the Doppler frequency shift caused by the high-speed movement of carrier.
在GPS接收机中,目前研究的重点是高动态环境下的接收机,其关键是解决载体高速运动给GPS接收机附加的多普勒频移问题。
To investigate the value of color Doppler ultrasound in differentiation of benign and malignant solid superficial soft-tissue tumors using receiver operation characteristic curve(ROC curve).
应用受试者工作特征曲线(ROC曲线)评价彩色超声判断实性浅表软组织肿物良恶性的价值。
The autodyne Doppler radio fuze transmitter-receiver is a important device of fuze remote control setting.
自差式多普勒无线电引信发射和接收装置是引信遥控装定的重要内容。
The autodyne Doppler radio fuze transmitter-receiver is a important device of fuze remote control setting.
自差式多普勒无线电引信发射和接收装置是引信遥控装定的重要内容。
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