您要查找的是不是：
- week GPS signals 微弱GPS信号
- The OBU has two features to compensate for the loss of GPS signals. 车上装置有两个补救全球定位系统信号不足的功能。
- Spoofing involves the transmission of fake GPS signals that the receivers accept as authentic ones. 欺骗手段涉及到发送会被接收装置接受为真实信号的伪造的GPS信号。
- This paper studies the performances of GPS signals as the illuminator of bistatic passive radar. 该文研究了GPS卫星信号作为照射信号的双基无源雷达信号性能。
- Manufactures GPS antenna extender to bring GPS signals indoors for inside testing of GPS receivers, and spectrum analyzers for testing radios. 制造GPS天线扩张器，将GPS信号引入室内作为接收器内部检验和无线电检验射频谱分析器之用。
- GPS signals are easily jammed; the sharpest-eyed spy satellites have trouble seeing through clouds; and communications among myriad military forces and systems frequently clog the airwaves. GPS信号很容易受干扰，即使是最敏锐的间谍卫星也难以透过云层寻找目标，而且无数军队和系统之间的通讯常常阻塞信号。
- In this paper, the traditional computational method of ionospheric S4 index based on GPS signal is analyzed. 本文分析了GPS信号研究电离层闪烁的基本原理，讨论了电离层闪烁监测中S4指数的计算方法及其修正方法。
- With the INT/EXT that while LED expresses GPS signal generator, condition reachs fiducial clock. 用LED暗示GPS信号发生器的同时状况及基准时钟的INT/EXT。
- The principle of single GPS based wave buoy is introduced.GPS buoy measures horizontal and vertical wave motion using GPS signals with Doppler frequency shift effect. 摘要首先对GPS浮标测波原理进行分析，介绍了GPS接收器测量运动参数的多普勒方法；
- RF front end receives, magnifies and filtrates the GPS signal, and above all, converts it down to IF digital signal. 射频前端接收芯片实现GPS信号的接收、放大、滤波和下变频，其中最重要的是对GPS信号进行下变频转化为数字中频信号。
- An RF signal demodulating unit receives the GPS signal and calculates position information based on the GPS signal. RF信号解调单元接收GPS信号并基于GPS信号来计算位置信息。
- The output signal of REB-12R is processed and displayed on LCD through MCU in design of GPS signal displayer based on RoyalTek REB-12R. 基于 RoyalTek REB-12R 接收机的 GPS 信号显示器,利用 MCU 处理 REB-12R 输出信号并在 LCD 显示。
- On those points of fourth order lead which can not receiver the GPS signal, Leica TC1800 was used and achieved precision requirement. 在无法接收GPS信号的四等导线点按照常规方法利用TC1800测量，达到设计精度要求。
- It can be accomplished sowing work prescribing by the application maps based on the GPS signal under the control of mechanical variable speed unit. 该播种机由变量控制器控制机械式无级变速器,根据GPS的位置信号,完成处方图设计的播种施肥作业。
- Based on GPS signal,through NTP protocol realize different platform time checkout,this way improves the security of DTV. 采用基于GPS时钟信号,通过NTP协议实现不同平台间校时的方法,提高了数字电视系统的整体安全可靠性。
- I got a new coat in that store last week. 上礼拜我在那家店买了一件新外套。
- He took sick and died a week later. 他得了病，一周后就死去了。
- The navigation data converter of ship can output gyrocompass and GPS signals after the data conversion, which just bases on gyrocompass (or GPS) input signal. 文中所设计的船舶导航数据转换器可以只依据一种导航数据,经过数据转换后输出电罗经和GPS两种信号,保证电罗经设备与GPS设备的正常工作。
- She writes to her parents once a week. 她每周给父母写一封信。
- Firstly, GPS, DR position data is de-noised with DWT model square root soft-threshold de-noising algorithm during the presence of GPS signal. 在GPS有效时，首先对来自GPS、DR的位置数据采用离散小波变换阈值模平方去噪法进行动态滤波，相互进行比较得到DR相对GPS的位置误差；
