我把顶层的无线网络当作无源雷达系统，逐层绘制大楼地形。
I'm using the penthouse's Wi-Fi network as a sort of passive radar system to image the building floor by floor.
参数估计是无源雷达系统的一项关键技术，其精度直接影响到目标定位精度。
Parameter estimation is a key technique in the passive radar system, since its precision influences the location precision directly.
本文的主要工作就是针对这一要求，设计了一套用于无源雷达系统的信息传输系统。
According to the request upwards, in this thesis, the main task is to design a information transmission system which can be applied in passive air defense radar.
有源雷达和无源雷达系统误差估计是实现有源无源雷达信息高精度融合的关键环节之一。
System error estimation for active radar and passive radar is the key for realizing high precision Information fusion of passive radar and active radar.
无源雷达系统接收到的信号有四部分组成：直达波信号、静物回波信号、动目标回波信号以及干扰噪声。
The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.
最后，本文简要地分析了基于模拟电视信号的无源探测性能和定位精度，并分别与基于数字电视信号的无源雷达系统的相应性能作了比较。
Last, after analyzing signal characteristics and locating performance of analog TV, its detecting characteristics and locating performance are compared with those of HDTV signal.
本文所介绍的天线有别于一般的侦察雷达，是一种无源的接收目标雷达信号的天线接收系统。
The antenna introduced in this paper is different from the ordinary reconnaissance radar, which is a passive antenna receptive system receiving target radar signals.
无源雷达由于不发射电磁波，因而不易被敌方侦察系统探测到。
Transmitting no electromagnetic wave, passive radar cannot be detected by hostile reconnaissance system.
针对静默哨兵系统等隐身雷达的战场机动能力不足，提出了一种便携式无源侦察系统的设计方法。
Aiming at the fault of silent sentry radar system in war field, a kind of method based on portable passive radar is introduced in this paper.
针对静默哨兵系统等隐身雷达的战场机动能力不足，提出了一种便携式无源侦察系统的设计方法。
Aiming at the fault of silent sentry radar system in war field, a kind of method based on portable passive radar is introduced in this paper.
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