20 MHz（可选9 kHz）至7.5 GHz用于定位发射机的便携式定向天线和干扰源
描述：
实用且非常宽带的R＆S®HE300有源定向天线定位发射机和干扰与便携式接收器结合使用时的信号源（例如PRPR100）。 三个可更换天线模块天线盖随附的20 MHz至7.5 GHz频率范围。 附加模块（R＆S®HE300HF用于9 kHz至20 MHz）是可选选项。 模块可以正确方向插入手柄用于垂直或水平极化，然后进行机械极化锁定到位。
可以激活内置的低噪声宽带放大器增强系统灵敏度（活动模式）。
在无源模式下，放大器被旁路，因此R＆S®HE300也可以在坚固的地方使用信号源。
HE HE300有两种不同的型号。
.02型包含一个用于确定方位的模拟罗盘；
.03型配备了集成的GPS接收器和电子罗盘。当与R＆S®PR100便携式接收器，潜在目标可以使用三角剖分功能可轻松将其定位在地图上。
特点：
❙radiation明确的辐射方向图
❙通过将天线朝向最大方向进行定向场强
❙体积小巧的超宽带性能weight重量轻，因为优化了材料选择handling防疲劳处理
❙水平和垂直极化dynamic宽动态范围
❙GPS定位，罗盘方位和三角测量功能（型号.03）
The practical and very wideband R&S®HE300 active
directional antenna locates transmitters and interference
sources when combined with portable receivers (e.g.
R&S®PR100). The three exchangeable antenna modules
supplied with the antenna cover the 20 MHz to 7.5 GHz
frequency range. An additional module (R&S®HE300HF for
9 kHz to 20 MHz) is available as an option. The modules
can be plugged into the handle with the correct orientation
for vertical or horizontal polarization and then mechanically
locked in place.
A built-in, low-noise wideband amplifier can be activated
to enhance system sensitivity (active mode).
In passive mode, the amplifier is bypassed so that the
R&S®HE300 can also be used in the vicinity of strong
signal sources.
Two different models of the R&S®HE300 are available.
Model .02 contains an analog compass for bearing determination;
model .03 is equipped with an integrated GPS
receiver and an electronic compass. When used with the
R&S®PR100 portable receiver, the potential target can
easily be located on a map using the triangulation feature.
Key facts
❙ Unambiguous radiation pattern
❙ Direction fi nding by orienting antenna toward maximum
fi eld strength
❙ Very wideband performance in a compact size
❙ Low weight due to optimized selection of materials
❙ Fatigue-proof handling
❙ Horizontal and vertical polarization
❙ Wide dynamic range
❙ GPS positioning, compass bearing and triangulation
feature (model .03)
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