Next-generation Glonass-K and Glonass-K2 satellites transmit more navigation signals and have a longer design life- up to 10 years- in comparison with Glonass-M devices.
在制作这些地图时,恶劣天气条件或卫星导航信号消失都意味着准确性和清晰度的降低。
When creating those maps, poor weather conditions,or when a satellite navigation signal is lost, mean a reduction in accuracy and definition.
To ensure global coverage of the globe navigation signals need 24 functioning for the intended purpose of the satellite.
卫星导航信号接收器的用户使用称作"被动测距"的技术,测量接收器设备至卫星之间的距离。
User receivers of satellite navigation signals measure the distance of the receiver equipment to the satellite using a technique called" passive ranging".
最后8颗IIR卫星通过现代化改造提高了性能,并为全球的军用和民用用户改善了导航信号性能。
The final eight spacecraft, designated Block IIR-M,were modernized to enhance operations and navigation signal performance for military and civilian GPS users around the globe.
卫星导航信号的使用者和接收者使用一种被称之为"被动式测距"技术测定接收设备与卫星之间的距离。
User receivers of satellite navigation signals measure the distance of the receiver equipment to the satellite using a technique called" passive ranging".
该卫星还携带了用于L波段移动通信和导航信号增强的新的通信服务设备。
It also carries newcommunication services for mobile communications in the L-band and for navigation signal enhancement.
EGNOS是一种基于卫星的扩展系统,可以用来提高欧洲地区卫星导航信号的精确度。
This is a major milestone for EGNOS,a satellite-based augmentation system that improves the accuracy of satellite navigation signals over Europe.
有两个系统还将在S-band频段(2491.005+-8.25MHz)广播导航信号。
Two systems would also broadcast a navigation signal in S-band(2491.005+- 8.25 MHz).
随着IRNSS-1D的发射,4颗主动卫星传输导航信号。
With the launch of IRNSS 1 D,four active satellites will be transmitting navigation signals.
随着IRNSS-1D的发射,印度区域导航卫星系统有4颗主动卫星传输导航信号。
With the launch of IRNSS 1 D,four active satellites will be transmitting navigation signals.
目前FM3有效载荷已经激活,FM4将在12月底发送试验导航信号。
Now that FM3's payload has been activated,FM4 is set to begin transmitting test navigation signals later this month.
定位、导航和定时(PNT)技术,例如:GPS的先进应用程序或其他卫星导航信号.
Position, Navigation and Timing(PNT) technology,such as advanced applications for GPS or other satellite navigation signals;
它将极大地改善主要由航空所需要的导航信号的完整性和准确性。
It would greatly improve the integrity and accuracy of the navigational signal, primarily driven by aeronautical requirements.
此外,X射线导航成本更低,因为航天器不再需要大型和昂贵的陆基无线电天线接收导航信号。
X-ray navigation tends to be much cheaper and the spacecraft would not need largeexpensive ground based radio antennae for navigations signals.
此外,X射线导航成本更低,因为航天器不再需要大型和昂贵的陆基无线电天线接收导航信号。
X-ray navigation is also cheaper, because the spacecraft would no longer need large,expensive ground-based radio antennae for navigation signals.
据报道,这种尚未命名的电子战武器也可以除掉GPS导航信号、无线电通信设备,甚至是轨道卫星。
This electronic warfare(EW) weapon, which is yet unnamed,also reportedly can take out GPS navigation signals, radio communications equipment, and even orbiting satellites.
然而,卫星是设置无线电导航发射机的理想位置,在适当轨道上的卫星星座可以导航信号覆盖整个地球。
A satellite, however, is an ideal location for a radio navigation transmitter, and a constellation of satellites, in appropriate orbits,can cover Earth with navigation signals.
使用由航海船舶发送的导航信号进行船舶追踪.
Ship tracking using navigation signals transmitted from sea vessels.
EGNOS是一种基于卫星的扩展系统,可以用来提高欧洲地区卫星导航信号的精确度。
EGNOS is a satellite-based augmentation system that improves the accuracy of satellite navigation signals over Europe.
该技术是通过测量导航信号从卫星发到接收器所需时间来确定至各卫星之间的距离的。
In this technique,the distance to each satellite is derived from the measurement of the time the navigation signal needs to travel from the satellite to the receiver.
此种技术的原理是,从测定导航信号从卫星出发到达接收者所需的时间来计算出其相对于每一卫星的距离。
In this technique,the distance to each satellite is derived from the measurement of the time the navigation signal needs to travel from the satellite to the receiver.
此外,失去导航信号可能会给很多部门带来影响,比如银行和电力传输部门。
In addition, loss of navigation could also affect sectors as wide-ranging as banking and power transmission.
为保证导航信号全球覆盖,GLONASS系统必须有24颗卫星在轨运行。
To cover the entire surface of the earth with geolocation signals, the Glonass system needs 24 operating satellites.
根据iGMAS数据显示,本次“伽利略”出现服务中断,其卫星导航信号的广播星历没有更新。
According to iGMAS data, there was a service outage in this"Galileo" andthe broadcast ephemeris of its satellite navigation signals was not updated.
One promising Galileo application is the Signal-in-Space Network through the Internet(SISNET),a new technology that combines the powerful capabilities of satellite navigation with the Internet.
Inmarsat-3 satellites are equipped with navigation transponders to receive navigation signals of both GPS and GLONASS systems from a ground station which are then broadcast to users.
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