In this case, a leading possibility is that the signal originates from an unusual modulation between a GPS satellite and an unidentified Earth-based source.
在这种情况下，最主要的可能性是这道信号来源于一个一颗GPS卫星和未确认的地球发射源之间的不寻常的调制信号。
That way, the device responds quicker than it would if it had to download the data for triangulation each time from Apple, or wait a minute or so for the faint signal from a passing GPS satellite.
通过这种三角定位的方式，如果设备必须要从苹果上下载东西的时候，它每次的响应速度会比较快，否则的话，需要等待一分钟左右，以便接收经过的GPS卫星发出的微弱信号（进行定位）。
The NORMARC 8005 SCAT-I ground station receives and validates GPS signals and then transmits the calculated signal corrections and flight path data via a VHF data link.
NORMARC 8005SCAT - 1地面站接收和验证GPS信号，然后通过VHF数据链发送计算后的信号校正和飞行路径数据。
It comprises two GPS receiving antennas, a signal processing circuit and an algorithm.
此系统包括两个GPS接收天线、一个信号处理电路和算法程序。
Ultrawideband is a new technology in high speed wireless communication, but the band′s width will fall into the frequence range of GPS, cause interference to GPS signal.
超宽带是高速无线通信的新技术，然而其较大的带宽会落入GPS频带范围内，造成对GPS信号的干扰。
Presented a method of fast acquisition of GPS signal based on averaging correlator and implemented it on FPGA by VHDL.
介绍了一种基于平均相关器的GPS信号快速捕获算法，通过VHDL语言描述在FPGA上实现了该算法。
The reflected GPS signal as a function of permittivity relates to the soil moisture.
反射gps信号功率是土壤介电常数的函数，而土壤介电常数又和土壤湿度有关。
So it is important to study the acquisition of weak navigational signal in geostationary orbit environments, and it is a key technique to the application of GPS onboard GEO.
因此，研究高轨环境下微弱导航信号的捕获是极其重要的，它是解决高轨卫星星载GPS应用中的一个关键技术。
A detailed discussion about the hardware design including PLL, DLL of the GPS signal acquisition and tracking is focused on.
最后详细讨论了GPS信号接收机硬件的设计，包括捕获跟踪、PLL、DLL的设计。
The simulator designed can provide a realistic high-dynamic signal environment for parameters measurement, software and hardware debug, performance test and evaluation of GPS UE.
所设计的GPS信号模拟器可以为GPS用户端设备的参数测量、软硬件调试、性能测试和评估等提供一个逼真的高动态信号环境。
The effects of GPS signal errors on mobile robot positioning accuracy were studied and a fusion model by blending GPS and odometry data was presented.
分析了GPS信号的误差对移动机器人定位精度的影响，提出了GPS信号与测距法的融合模型。
GPS signal acquisition time is a key factor in GPS receiver performance, especially in the high dynamic, real-time applications or in capturing weak GPS signal areas.
GPS信号捕获时间是影响GPS接收机性能的一个关键因素，尤其是在高动态和实时性要求高的应用中或者对弱gps信号的捕获方面。
According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。
The conception of how a GPS receiver determines its position with GPS and some issues about the structure of GPS signal is discussed.
本文介绍了GPS的定位原理，详细讨论了GPS信号的组成，并在此基础上探讨了有关GPS模拟器的一些问题。
The diplexer separates the GPS from the Bluetooth signal, a necessary step when using only a single antenna for both applications.
同向双工器将GPS信号与蓝牙信号分离，这也是两个应用使用单一天线时的必要步骤。
The invention provides a positioning method using global positioning system (GPS) signal and digital broadcasting system (DBS) signal.
本发明提供了一种使用全球定位系统(GPS)信号和数字广播系统(DBS)信号的定位方法。
In a GPS receiver, the signal acquisition coarsely adjusts the code phase and the carrier frequency of locally generated replicas to align with the corresponding satellite signal.
GPS接收机中信号捕获通过粗略调整本地复制信号的码相位和载波频率与卫星信号同步。
Firstly, a DDS-based method for digital-domain synthesis of time-varying Doppler frequency in dynamic GPS signal is proposed in this dissertation.
论文首先基于直接数字频率合成技术提出了一种能够在数字域内直接合成出动态信号中时变多普勒频率的信号合成方法。
The carrier component presented in GPS signal is completely suppressed. Even though the spectrum of the received GPS signal does not contain a carrier component, it is possible to reconstruct one.
在GPS信号中载波是完全抑制的，尽管接收的GPS频谱中不含载波分量，但它是能够恢复的。
So we need a system can continue to provide GPS navigation signal, where have no signal.
于是需要一种能在中断GPS信号后继续提供递推导航的GPS信号接收机。
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
According to the invention, each set of multi-functional meter adjusting platform is not required to be installed with a GPS time service signal receiving system, and the resource is saved.
本发明不必为每台多功能校表台都配备有GPS授时信号接收系统，节约了资源。
This book can help a signal processing-based scholars start GPS, GPS introduced a complete architecture and software algorithms.
此书籍能帮助有讯号处理基础的学者入门gps，介绍了GPS完整的架构与软体演算法。
This book can help a signal processing-based scholars start GPS, GPS introduced a complete architecture and software algorithms.
此书籍能帮助有讯号处理基础的学者入门gps，介绍了GPS完整的架构与软体演算法。
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