因此也不清楚俄罗斯为什么将要生产与GPS相兼容的接收机,这些接收机与美国的类似设备相比,成本更高、信号强度弱而且精度更低。
It is therefore unclear why Russia should manufacture GPS-compatible transceivers that cost more, emit less clear signals and are less accurate than their U.S. equivalents.
一种适用于ask接收器中的双极型对数中频放大器,具有接收信号强度指示的功能(RSSI)。
A bipolar logarithmic intermediate-frequency (if) amplifier with received signal strength indicator (RSSI) circuit for ASK Receiver is presented.
然而,在Q -轨道技术不使用信号强度来测量发射器和接收器或飞行如gps时间之间的距离。
However, the Q-track technology does not use signal strength to measure the distance between transmitter and receiver or time of flight like GPS.
该电路的工作电压范围宽,可以显示接收信号强度。
This system can indicate the received signal strength, and its operation voltage can be adjusted in very wide range.
仿真结果表明,本文的RSSI定位机制比传统的基于接收信号强度的无线传感器网络定位算法有更好的定位性能。
As shown in the simulation results, it can be stated that the approach is effective and obviously has good location accuracy than conventional RSSI algorithm.
粗粒度定位系统利用接收信号强度作为判定依据,估计待测位置节点所位于的区域,而不是具体的坐标值。
CLS takes the wireless signal strength as the reference for distance and gets the rough area the target located.
相对而言,它们不受多路径消除效应的影响,例如当返回的强反射波与直接路径信号不同相位时,降低了接收机中的信号强度。
They are relatively immune to multipath cancellation effects, such as when a strong reflected wave arrives out of phase with the direct path signal, reducing the signal strength in the receiver.
最后,我们在现场环境下验证了本文提出的基于接收信号强度均值的无线传感器网络定位方案的计算效率和定位性能。
Finally, we implemente our EKF-based RSS localization scheme to verify its computational efficiency and estimation accuracy in a real environment.
用于定位的基于信道模型的方法则比较接收信号强度测量值和根据无线信道模型创建的信号强度数据库。
A channel model based approach used in providing location positioning may compare receive signal strength measurements to a database of signal strengths created using a wireless channel model.
用于定位的基于信道模型的方法则比较接收信号强度测量值和根据无线信道模型创建的信号强度数据库。
A channel model based approach used in providing location positioning may compare receive signal strength measurements to a database of signal strengths created using a wireless channel model.
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