JPH0478584U

JPH0478584U -

Info

Publication number: JPH0478584U
Application number: JP12141490U
Authority: JP
Priority date: 1990-11-19
Filing date: 1990-11-19
Publication date: 1992-07-08

Description

[Brief explanation of the drawing]

第１図ａはこの考案の一実施例を示す構成図、
第２図ｂはこの考案の一実施例における効果を示
す説明図、第２図はこの考案の他の実施例を示す
構成図、第３図はこの考案のさらに他の実施例を
示す構成図、第４図は従来の電波送受信装置を示
す構成図である。図において１は受信アンテナ、２は周波数メモ
リ、３は送信アンテナ、４はメモリ・ゲート回路
、５は受信周波数検出回路、６は周波数ゲート判
定回路、７は受信パルス幅検出回路、８はパルス
幅ゲート判定回路、９は受信方位検出回路、１０
は方位ゲート判定回路である。なお、図中、同一
符号は同一、又は相当部分を示す。 FIG. 1a is a configuration diagram showing an embodiment of this invention;
Fig. 2b is an explanatory diagram showing the effects of one embodiment of this invention, Fig. 2 is a block diagram showing another embodiment of this invention, and Fig. 3 is a block diagram showing still another embodiment of this invention. , FIG. 4 is a block diagram showing a conventional radio wave transmitting/receiving device. In the figure, 1 is a reception antenna, 2 is a frequency memory, 3 is a transmission antenna, 4 is a memory gate circuit, 5 is a reception frequency detection circuit, 6 is a frequency gate judgment circuit, 7 is a reception pulse width detection circuit, and 8 is a pulse width. gate determination circuit; 9 is a reception direction detection circuit; 10
is an orientation gate determination circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A radio wave transmitting/receiving device equipped with a frequency gate to store only received pulse signals in a specified frequency range in a jamming method in which the pulse waveform of a received radio source signal is stored in a frequency memory and transmitted as a jamming wave.