JPH0349395B2 - - Google Patents
Info
- Publication number
- JPH0349395B2 JPH0349395B2 JP60171346A JP17134685A JPH0349395B2 JP H0349395 B2 JPH0349395 B2 JP H0349395B2 JP 60171346 A JP60171346 A JP 60171346A JP 17134685 A JP17134685 A JP 17134685A JP H0349395 B2 JPH0349395 B2 JP H0349395B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- high frequency
- frequency section
- transmission
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 62
- 230000005540 biological transmission Effects 0.000 claims description 49
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、レーダ装置に関し、特に送信機及
び受信機の高周波部の出力電力及び透過位相を検
出する必要のある場合においてその検出方式を簡
単にした増幅方式のレーダ装置に関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a radar device, and in particular, it simplifies the detection method when it is necessary to detect the output power and transmission phase of the high frequency part of the transmitter and receiver. This invention relates to a radar device using an amplification method.
一般に、透過位相とは、入力信号の位相に対す
る出力信号の変化量で定義されるものである。
Generally, the transmission phase is defined by the amount of change in the output signal with respect to the phase of the input signal.
アクテイブフエイズドアレイレーダ等では送受
信機能を持つたモジユールを多数個使用し、その
モジユールの透過位相を個別に所定の値に制御す
ることにより、アンテナパターンの形成及びパタ
ーンビームの走査等を行なうものである。透過位
相はモジユールによつて個体差があるとともに温
度、周波数等によつてその値が変化するため、所
定の値に制御するためには、個々の透過位相を検
出する必要がある。 Active phased array radar, etc., uses a large number of modules with transmitting and receiving functions, and by individually controlling the transmission phase of each module to a predetermined value, antenna pattern formation and pattern beam scanning are performed. It is. Since the transmission phase has individual differences depending on the module and its value changes depending on temperature, frequency, etc., it is necessary to detect each transmission phase in order to control it to a predetermined value.
第２図はこの種のレーダ装置における送信機お
よび受信機の高周波部の従来の出力検出方式の一
例を示す。第２図において、１は送信用種信号
Ptを位相検波用に取出すための方向性結合器、
２は送信機の高周波部、３は送信出力を電力検出
用に取出すための方向性結合器、４は送受切換
器、５は空中線、６は送信機の位相検出回路、７
は送信出力を位相検出と電力検出とに分配するた
めの方向性結合器、８は送信機の出力電力検出回
路である。 FIG. 2 shows an example of a conventional output detection method for the high frequency parts of the transmitter and receiver in this type of radar device. In Figure 2, 1 is a transmission seed signal
Directional coupler for extracting Pt for phase detection,
2 is a high frequency section of the transmitter, 3 is a directional coupler for extracting the transmission output for power detection, 4 is a transmitter/receiver switch, 5 is an antenna, 6 is a phase detection circuit of the transmitter, 7
8 is a directional coupler for distributing the transmission output to phase detection and power detection, and 8 is an output power detection circuit of the transmitter.
また９は受信基準信号Prを位相検出用基準信
号として取出すための方向性結合器、１０は受信
機への信号注入用方向性結合器、１１は図示しな
い手段により受信時のみ受信時のみ閉となるスイ
ツチ、１２は受信機の高周波部、１３は受信出力
を取出すための方向性結合器、１４は受信出力を
位相検出と電力検出とに分配するための方向性結
合器、１５は受信機の出力電力検出回路、１６は
受信機の位相検出回路を示す。 Further, 9 is a directional coupler for extracting the reception reference signal Pr as a reference signal for phase detection, 10 is a directional coupler for injecting a signal into the receiver, and 11 is closed only during reception by means not shown. 12 is a high frequency section of the receiver, 13 is a directional coupler for extracting the received output, 14 is a directional coupler for distributing the received output into phase detection and power detection, 15 is the receiver's Output power detection circuit 16 indicates a phase detection circuit of the receiver.
次に動作について説明する。 Next, the operation will be explained.
送信用種信号Ptは送信機の高周波部２により
所定のレベルに増幅され、送受切換器４を経て空
中線５に印加される。同時に送信出力検出回路を
構成する上述の方向性結合器３，７、位相検出回
路６、及び電力検出回路８で送信出力の位相特性
（透過位相）と電力特性とが検出される。またス
イツチ１１は送受切換器４の漏洩電力による受信
機の高周波部１２の特性劣化を防止するために、
送信時刻は開となつている。 The transmission type signal Pt is amplified to a predetermined level by the high frequency section 2 of the transmitter, and is applied to the antenna 5 via the transmitter/receiver switch 4. At the same time, the above-mentioned directional couplers 3 and 7, phase detection circuit 6, and power detection circuit 8, which constitute the transmission output detection circuit, detect the phase characteristics (transmission phase) and power characteristics of the transmission output. In addition, the switch 11 is configured to
The transmission time is open.
同様に受信基準信号Prは受信機の高周波部１
２で所定のレベルに増幅され、受信出力検出回路
を構成する上述の方向性結合器９，１０，１３，
１４、位相検出回路１６、及び電力検出回路１５
で受信出力の位相特性（透過位相）と電力特性と
が検出される。 Similarly, the reception reference signal Pr is the high frequency section 1 of the receiver.
The above-mentioned directional couplers 9, 10, 13, which constitute the received output detection circuit
14, phase detection circuit 16, and power detection circuit 15
The phase characteristics (transmission phase) and power characteristics of the received output are detected.
受信時刻においては、空中線５に入射した受信
波は送受切換器４及びスイツチ１１を経て受信機
の高周波部１２で増幅され、受信信号として処理
される。この時刻には受信基準信号Prは断とな
つている。 At the reception time, the received wave incident on the antenna 5 passes through the transmitter/receiver selector 4 and switch 11, is amplified by the high frequency section 12 of the receiver, and is processed as a received signal. At this time, the reception reference signal Pr is disconnected.
〔発明が解決しようとする問題点〕
従来のレーダ装置の送信機及び受信機の高周波
部の出力検出回路は以上のように構成され、送信
機及び受信機それぞれが検出回路を必要とし、こ
のため多数の方向性結合器が必要となり、装置が
複雑かつ大型化してしまう欠点があつた。[Problems to be Solved by the Invention] The output detection circuits of the high-frequency parts of the transmitter and receiver of the conventional radar device are configured as described above, and each of the transmitter and receiver requires a detection circuit. This method requires a large number of directional couplers, making the device complex and large in size.
この発明は、上記のような従来の欠点を除去す
るためになされたもので、方向性結合器の数を低
減するようにしたレーダ装置を提供することを目
的としている。 The present invention was made in order to eliminate the above-mentioned conventional drawbacks, and an object of the present invention is to provide a radar device in which the number of directional couplers is reduced.
この発明に係るレーダ装置は、送信用種信号を
時分割で送信及び受信出力の両方の検出に使うよ
うにし、送信出力及び受信出力をハイブリツドを
用いて電力及び位相検出回路に分配して検出回路
を共通化するようにしたものである。
The radar device according to the present invention uses a transmission seed signal to detect both transmission and reception outputs in a time-division manner, and distributes the transmission output and reception output to the power and phase detection circuits using a hybrid circuit. This is to make it common.
この発明においては、送信用種信号を時分割で
送信及び受信出力の両検出に使うようにしたこと
から、受信出力検出用基準信号が不要となり、又
検出回路をハイブリツドで共通化したことから、
検出回路が一系統で済み、方向性結合器の数も少
なくなる。
In this invention, since the transmission seed signal is used for both transmission and reception output detection in a time-sharing manner, there is no need for a reception output detection reference signal, and since the detection circuit is shared by a hybrid,
Only one detection circuit is required, and the number of directional couplers is also reduced.
以下、本発明の実施例を図について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例によるレーダ装置を
示す。図において、第２図と同一符号は同一部分
を示し、１７は送信用種信号の一部を取出すため
の方向性結合器、１８は送信出力及び受信出力を
位相及び電力の検出用に分配するためのハイブリ
ツドである。なお、方向性結合器１，１７は送信
種信号を送信出力の位相検出基準信号又は受信出
力の位相検出基準信号又は受信出力検出用基準信
号として取出す第１の方向性結合器であり、ま
た、方向性結合器１０は受信出力検出用基準信号
を受信機高周波部１２に入力する第２の方向性結
合器である。 FIG. 1 shows a radar device according to an embodiment of the present invention. In the figure, the same reference numerals as in FIG. 2 indicate the same parts, 17 is a directional coupler for extracting a part of the transmission seed signal, and 18 is a directional coupler for distributing the transmission output and reception output for phase and power detection. It is a hybrid for Note that the directional couplers 1 and 17 are first directional couplers that extract the transmission type signal as a phase detection reference signal of the transmission output, a phase detection reference signal of the reception output, or a reference signal for reception output detection, and The directional coupler 10 is a second directional coupler that inputs the received output detection reference signal to the receiver high frequency section 12.
次に動作について説明する。 Next, the operation will be explained.
送信時刻においては、送信種信号Ptは送信機
の高周波部２により増幅されたのち、方向性結合
器３及び送受切換器４を経て空中線５に供給され
る。 At the transmission time, the transmission type signal Pt is amplified by the high frequency section 2 of the transmitter and then supplied to the antenna 5 via the directional coupler 3 and the transmission/reception switch 4.
同時に方向性結合器１で取出された送信種信号
の一部Pt1は送信出力の位相検出用基準信号Ptrと
して用いられる。 At the same time, a part of the transmission type signal Pt 1 extracted by the directional coupler 1 is used as a reference signal Pt r for phase detection of the transmission output.
さらに方向性結合器３で取出された送信出力の
一部PT1はハイブリツド１８で分配され、一方は
送信出力の位相検出用信号PT2として位相検出回
路６に印加され、前述の基準信号Ptrと混合して
送信機の位相検出信号VT1が得られる。 Furthermore, a part of the transmission output P T1 taken out by the directional coupler 3 is distributed by the hybrid 18, and one part is applied to the phase detection circuit 6 as the phase detection signal P T2 of the transmission output, and the above-mentioned reference signal P T r The phase detection signal V T1 of the transmitter is obtained by mixing with the phase detection signal V T1 of the transmitter.
もう一方は、送信出力の電力検出用信号PT3と
して電力検出回路８に印加され、送信機の電力検
出信号VT2が得られる。 The other signal is applied to the power detection circuit 8 as a power detection signal P T3 of the transmission output, and a power detection signal V T2 of the transmitter is obtained.
なお、送信時刻においては、スイツチ１１は図
示しない切替入力手段により開となり、受信機の
高周波部１２へ送信出力が漏洩して受信機の高周
波部１２が過入力等により特性劣化しないように
動作する。 Note that at the transmission time, the switch 11 is opened by a switching input means (not shown), and operates to prevent transmission output from leaking to the high-frequency section 12 of the receiver, thereby preventing characteristic deterioration of the high-frequency section 12 of the receiver due to excessive input or the like. .
次に受信機の高周波部１２の受信出力検出方法
について述べる。受信機の高周波部１２は通常は
空中線５に入射した受信波を増幅する機能を有す
るが、受信出力の検出のために送信種信号Ptの
一部Pt1を受けて増幅させる。 Next, a method for detecting the reception output of the high frequency section 12 of the receiver will be described. The high frequency section 12 of the receiver normally has a function of amplifying the received wave incident on the antenna 5, but in order to detect the received output, it receives and amplifies a part Pt1 of the transmission type signal Pt.
このために送信時刻と受信時刻の間隙又は任意
の時間帯においては、図示しない切替入力手段に
より、送信機の高周波部２を非動作状態とし、受
信機の高周波部１２のみを動作状態とさせるよう
にする。 For this purpose, during the gap between the transmission time and the reception time or at any time zone, the high frequency section 2 of the transmitter is set to be inactive and only the high frequency section 12 of the receiver is set to be active using a switching input means (not shown). Make it.
送信種信号Ptの一部Pt1は方向性結合器１７で
取出されて受信出力の位相検出用基準信号Ptr及
び受信機の高周波部１２の注入信号Prとして扱
われる。方向性結合器１０に注入された送信用種
信号Pr1は閉となつているスイツチ１１を経て受
信機の高周波部１２で増幅される。この増幅され
た信号の一部PR1は方向性結合器１３で取出され、
ハイブリツド１８で分配され、前述の送信出力の
検出回路に印加され、受信出力の位相検出信号
VR1及び電力検出信号VR2が得られる。 A part Pt 1 of the transmission type signal Pt is taken out by the directional coupler 17 and treated as a phase detection reference signal Pt r of the reception output and an injection signal Pr of the high frequency section 12 of the receiver. The transmission seed signal Pr 1 injected into the directional coupler 10 passes through the closed switch 11 and is amplified by the high frequency section 12 of the receiver. A part of this amplified signal P R1 is taken out by the directional coupler 13,
The signal is distributed by the hybrid 18, applied to the above-mentioned transmission output detection circuit, and sent to the reception output phase detection signal.
V R1 and power detection signal V R2 are obtained.
なお、送信出力と受信出力はハイブリツド１８
に入力される段階で同一レベルとなるように方向
性結合器３と１３の結合量を調整してある。 In addition, the transmission output and reception output are hybrid 18
The coupling amounts of the directional couplers 3 and 13 are adjusted so that the signals are at the same level when they are input to the directional couplers 3 and 13.
以上のような本実施例の装置では、送信出力又
は受信出力をハイブリツドにより位相検出回路及
び電力検出回路に分配し、又送信用種信号から受
信出力検出用基準信号及び位相検出基準信号を取
出すようにしたので、検出回路が１系統で済み、
方向性結合器の数も削減でき、その結果装置の小
型化及び簡素化を達成でき、又低コスト化をも実
現できる。 In the device of this embodiment as described above, the transmission output or the reception output is distributed to the phase detection circuit and the power detection circuit by a hybrid, and the reception output detection reference signal and the phase detection reference signal are extracted from the transmission seed signal. , only one detection circuit is required.
The number of directional couplers can also be reduced, and as a result, the device can be made smaller and simpler, and cost reduction can also be achieved.
以上のように、この発明によれば、ハイブリツ
ドを用いて送信出力と受信出力の検出回路を共通
化し、時分割で使用するようにしたので、検出回
路が簡単になり、安価に構成できる効果がある。
As described above, according to the present invention, the detection circuit for the transmission output and the reception output is made common by using a hybrid and used in a time-sharing manner, which simplifies the detection circuit and has the effect of being able to be configured at low cost. be.
第１図はこの発明の一実施例によるレーダ装置
の構成図、第２図は従来のレーダ装置の構成図で
ある。
１，１０，１７……方向性結合器、２……送信
機高周波部、６……位相検出回路、８……電力検
出回路、１２……受信高周波部、１８……ハイブ
リツド。なお図中同一符号は同一又は相当部分を
示す。
FIG. 1 is a configuration diagram of a radar device according to an embodiment of the present invention, and FIG. 2 is a configuration diagram of a conventional radar device. 1, 10, 17... Directional coupler, 2... Transmitter high frequency section, 6... Phase detection circuit, 8... Power detection circuit, 12... Receiving high frequency section, 18... Hybrid. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
又は受信出力の位相検出用基準信号及び受信出力
検出用基準信号として取出す第１の方向性結合器
と、 上記受信出力検出用基準信号を上記受信機高周
波部に入力する第２の方向性結合器と、 上記送信出力の位相検出用基準信号又は受信出
力の位相検出用基準信号を用いて上記送信機高周
波部からの送信出力又は上記受信機高周波部から
の受信出力の透過位相を検出する位相検出回路
と、 上記送信機高周波部からの送信出力又は上記受
信機高周波部からの受信出力の出力電力を検出す
る電力検出回路と、 上記送信機高周波部からの送信出力又は上記受
信機高周波部からの受信出力を上記位相検出回路
と上記電力検出回路とに分配して与えるハイブリ
ツドと、 送信時刻において上記送信用種信号を上記送信
機高周波部に入力するとともに受信時刻において
上記受信出力検出用基準信号を上記受信機高周波
部に入力する切替入力手段とを備えたことを特徴
とするレーダ装置。[Scope of Claims] 1. A transmitter high frequency section that amplifies a transmission seed signal, a receiver high frequency section that amplifies a reception signal, and a reference signal for detecting the phase of the transmission output or the phase detection of the reception output. a first directional coupler for inputting the received output detection reference signal to the high frequency section of the receiver; a second directional coupler for inputting the received output detection reference signal to the receiver high frequency section; a phase detection circuit that detects the transmitted phase of the transmission output from the transmitter high frequency section or the reception output from the receiver high frequency section using a phase detection reference signal or a phase detection reference signal of the reception output; a power detection circuit for detecting the output power of the transmission output from the high frequency section or the reception output from the receiver high frequency section; and the phase detection circuit for detecting the transmission output from the transmitter high frequency section or the reception output from the receiver high frequency section. a hybrid circuit and the power detection circuit, which inputs the transmission seed signal to the transmitter high frequency section at the transmission time, and inputs the received output detection reference signal to the receiver high frequency section at the reception time. A radar device comprising a switching input means for inputting input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60171346A JPS6232379A (en) | 1985-08-02 | 1985-08-02 | Radar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60171346A JPS6232379A (en) | 1985-08-02 | 1985-08-02 | Radar device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6232379A JPS6232379A (en) | 1987-02-12 |
| JPH0349395B2 true JPH0349395B2 (en) | 1991-07-29 |
Family
ID=15921504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60171346A Granted JPS6232379A (en) | 1985-08-02 | 1985-08-02 | Radar device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232379A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9097791B2 (en) | 2010-07-16 | 2015-08-04 | Panasonic Intellectual Property Management Co., Ltd. | Radar device |
-
1985
- 1985-08-02 JP JP60171346A patent/JPS6232379A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6232379A (en) | 1987-02-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |