JPS5837510B2 - Decca navigation receiver - Google Patents

Decca navigation receiver

Info

Publication number
JPS5837510B2
JPS5837510B2 JP50066854A JP6685475A JPS5837510B2 JP S5837510 B2 JPS5837510 B2 JP S5837510B2 JP 50066854 A JP50066854 A JP 50066854A JP 6685475 A JP6685475 A JP 6685475A JP S5837510 B2 JPS5837510 B2 JP S5837510B2
Authority
JP
Japan
Prior art keywords
lane
phase difference
display
meter
identification
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
Application number
JP50066854A
Other languages
Japanese (ja)
Other versions
JPS51142289A (en
Inventor
和久 岩村
浩 清野
一雄 塚田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP50066854A priority Critical patent/JPS5837510B2/en
Publication of JPS51142289A publication Critical patent/JPS51142289A/en
Publication of JPS5837510B2 publication Critical patent/JPS5837510B2/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Description

【発明の詳細な説明】 本発明はレーン値の自動設定機能を有するデツ力航法用
受信機に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power navigation receiver having an automatic lane value setting function.

電波による航法方式のうち、英国のデッカ( Decc
a )社により開発された、70〜130KHZ程度
の周波数を用いる位相差航法方式が現在最も著名である
Of the radio wave navigation systems, the British company Decca
Currently, the most famous phase difference navigation system developed by A.

この方式は開発した会社の名称を冠して「デツカ航法」
と呼ばれているので、本明細書においても以後この語を
用いることにする。
This method is named "Detsuka Navigation" after the company that developed it.
This term will be used hereafter in this specification as well.

上記デツカ航法方式は双曲線航法方式の一種であって、
送信側は主局を中心にして、3つの従局をほぼ正3角形
の各頂点に相当する箇所に配置している。
The above Detsuka navigation system is a type of hyperbolic navigation system,
On the transmitting side, three slave stations are arranged approximately at the vertices of a regular triangle, with the main station at the center.

この4局から互いに厳密に一定の位相関係を保った電波
を発射する。
These four stations emit radio waves that maintain a strictly constant phase relationship with each other.

発射電波の周波数はすべiる周波数fの整数倍になって
いて、主局は6f13つの従局はそれぞれ5f,8f,
9fの持続波を発射する。
The frequency of the emitted radio waves is an integral multiple of the sliding frequency f, and the main station is 6f, and the three slave stations are 5f, 8f, and 8f, respectively.
Emits a 9f continuous wave.

但しfは通常約14KHZに選ばれる。However, f is usually selected to be about 14 KHz.

送信周波数5fの局を紫従局、同じ<8fの局を赤従局
、9fの局を緑従局とそれぞれ称する。
A station with a transmission frequency of 5f is called a purple slave station, a station with the same <8f is called a red slave station, and a station with a transmission frequency of 9f is called a green slave station.

受信側は通常船舶であって、まず主局と或る1従局とか
ら来る電波の位相差を測定し、次に主局と他の1従局と
から来る電波の位相差を測定し、この両測定値に基づい
て受信位置即ち自船の航路を正確に知ることができるの
で、航海が容易となる。
The receiving side is usually a ship, which first measures the phase difference between the radio waves coming from the master station and one slave station, then measures the phase difference between the radio waves coming from the master station and another slave station, and then measures the phase difference between the radio waves coming from the master station and another slave station. Navigation becomes easier because the receiving position, that is, the route of the own ship can be accurately known based on the measured values.

さて、このデツカ航法に用いる受信機には、通常4種の
計器を具えている。
Now, the receiver used for this deck navigation is usually equipped with four types of instruments.

そのうち3種は測定された位相差に基づきゾーン符号及
びレーン番号を表示させるためのもので、一種の位相差
計であって、デコメータと通称される。
Three of them are for displaying zone codes and lane numbers based on the measured phase difference, and are a type of phase difference meter, commonly called a decometer.

他の1種の計器はレーンを識別し、その結果を表示させ
るためのもので、レーン識別計と呼ばれ、この識別計を
基として他の3種の計器を設定するのである。
The other type of meter is for identifying lanes and displaying the results, and is called a lane discrimination meter, and the other three types of meters are set based on this discrimination meter.

この計器の役割を以下に簡単に説明する。The role of this instrument will be briefly explained below.

デツカ航法用受信機を設備した船舶が航海中デツカ航法
の利用範囲内に入ったとき、または或る時間受信機を休
止させたのち再び動作を開始させるときは、自船がいず
れのゾーン中にあ,り、またゾーン中の伺番のレーンに
あるかをまず知って、3種の位相差計(デコメータ)を
直ちにそのゾーン符号並びにレーン番号に設定しなけれ
ばならない。
When a ship equipped with a DETSUKA navigation receiver enters the range of DETSUKA navigation during a voyage, or when the receiver is turned on again after being inactive for a certain period of time, if the ship is in any zone. Oh, and also, you first need to know if the vehicle is in the designated lane in the zone, and then immediately set the three types of phase difference meters (decometers) to that zone code and lane number.

このうちゾーン符号は送信局の送信信号を用いずども知
り得るが、レーンを知るには各送信局から発射されるレ
]ン識別信号に用いなければならない。
Of these, the zone code can be known without using the transmission signal of the transmitting station, but in order to know the lane, it must be used in the lane identification signal emitted from each transmitting station.

レーン識別計は上記レーン識別信号に基づいて自船のレ
ーン番号とレーン間端数の第1位までを測定して表示し
、初期レーン設定の補助手段として船舶の乗組員がこの
レーン識別計の表示の通りに3個の位相差計をそれぞれ
設定するのである。
The lane identification meter measures and displays the own ship's lane number and the first fraction of the number of lanes based on the above lane identification signal, and the ship's crew can use the display on this lane identification meter as an auxiliary means for initial lane setting. The three phase difference meters are set up as shown below.

従来、位相差計の設定は上述の如く船舶乗組員が手動に
より行なっていたため、面倒で且つ時間を要するのみな
らず、レーン識別計の読み誤り、位相差計の設定誤り等
が起こり易いという問題があった。
Conventionally, the setting of the phase difference meter has been done manually by the ship's crew as described above, which is not only troublesome and time-consuming, but also prone to misreading of the lane discrimination meter, wrong setting of the phase difference meter, etc. was there.

このような誤りは当然自船の位置誤認、ひいては予定航
路からの外れを生ずるおそれがある。
Such an error naturally poses a risk of misrecognizing the ship's position and possibly causing it to deviate from the planned route.

本発明は各位相差計のレーン値設定を、電子回路により
自動的に行なうようにして前述の問題点を根本的に解決
したものであって、以下図面を用いて詳細に説明する。
The present invention fundamentally solves the above-mentioned problems by automatically setting the lane value of each phase difference meter using an electronic circuit, and will be described in detail below with reference to the drawings.

即ち図は本発明に係るデツカ航法用受信機の一実施例の
回路系統図を示したもので、本実施例はレーン識別信号
がマルチパルス方式即ち周枝数5f,6f,8f,9f
のすべてを各送信局が順次に短時間発射する方司こよる
チェーンにおいて使用するものとし、且つ各位相差計は
↓レーンの1/100(センチレーン)を除き、各数字
及び符号はすべて数字表示素子によってデジタル表示を
なすように構成されている。
That is, the figure shows a circuit system diagram of one embodiment of the DETSUKA navigation receiver according to the present invention. In this embodiment, the lane identification signal is of a multi-pulse type, that is, the number of frequency branches is 5f, 6f, 8f, 9f.
shall be used in a chain in which each transmitting station sequentially transmits for a short period of time, and each phase difference meter has all numbers and symbols displayed except for 1/100 (centilane) of the ↓ lane. The elements are configured to provide digital display.

なお、簡単のために位相差計及びその駆動回路系は「紫
」チャンネルのみを示したが、「赤」チャンネル及び「
緑」チャンネルにおいても回路構或は全く1同じである
For simplicity, only the "purple" channel of the phase difference meter and its drive circuit system are shown, but the "red" channel and the "red" channel are also shown.
The circuit structure for the green channel is also exactly the same.

図においてレーン識別回路系1は、アンテナを有する受
信部10によって受信したマルチパルスから得た周波数
fの信号と、主局の送信信号を受・信して得た周波数6
fの信号とに基づいてレーン識別動作を行ない、その結
果をレーン間端数第1位までのデジタル信号として出力
する。
In the figure, a lane identification circuit system 1 receives a signal at a frequency f obtained from a multi-pulse received by a receiving section 10 having an antenna, and a signal at a frequency 6 obtained by receiving a transmission signal from the main station.
A lane identification operation is performed based on the signal f, and the result is output as a digital signal up to the first fraction between lanes.

マルチパルスは主局及び各個の従局から、2.5sec
ずつの間隔を置いて順次に発射させるので、本実施例に
おいては上記デジタル信号を単一の線路から受信信号に
準ずる時系列として送出している。
Multi-pulses are sent from the main station and each slave station for 2.5 seconds.
In this embodiment, the digital signals are sent out in a time series similar to the received signal from a single line.

この時系列信号は分岐されて、片方はデコーダ2を介し
てレーン識別計3を駆動し、例えば「5m.IJのごと
く端数レーン第1位までレーン番号表示をなさしめる。
This time-series signal is branched, and one side drives a lane discriminator 3 via a decoder 2, and displays lane numbers up to the first fractional lane, such as ``5m.IJ.''

分岐されち時系列信号の他方は、レーン識別信号切換回
路4に入れられる。
The other of the branched time-series signals is input to the lane identification signal switching circuit 4.

該切換回路4は、時系列として送られてくるレーン識別
信号を、該当する各位相差計へ振り分ける役割をなす。
The switching circuit 4 serves to distribute lane identification signals sent in time series to the corresponding phase difference meters.

即ち本発明によれば、受信機の初期動作に伴ないレーン
番号設定時にレーン識別回路系の出力に基づいて各個の
位相差計に表示値を設定するのであるから、同一線路上
を時系列として送られて来るレーン識別信号を、レーン
識別信号切換回路4によって該当する位相差計に付属す
る駆動回路系へそれぞれ切換えて供給することが必要で
、該切換回路4は3系統の回路を切換えるロータリース
イッチと同等の作用をなす。
That is, according to the present invention, since the display value is set in each phase difference meter based on the output of the lane identification circuit system when the lane number is set during the initial operation of the receiver, the values on the same track are chronologically set. It is necessary to switch and supply the sent lane identification signal to the drive circuit system attached to the corresponding phase difference meter by the lane identification signal switching circuit 4, and the switching circuit 4 is a rotary circuit that switches between three circuits. It has the same effect as a switch.

但しその切換えタイミングが、所定位相差計に所要の信
号を送り得るように設定されていなければならないのは
勿論である。
However, it goes without saying that the switching timing must be set so that the required signal can be sent to the predetermined phase difference meter.

図においてPは「紫」位相差計へ、Rは「赤」位相差計
へ、Gは「緑」位相差計へ、それぞれ信号を送るための
線路である。
In the figure, P is a line for sending signals to the "purple" phase difference meter, R to the "red" phase difference meter, and G to the "green" phase difference meter, respectively.

線路Pを通った信号は、カウンタ制御回路5を通ってレ
ーン番号用カウンタ6に入り、デコーダ7を介して位相
差計のデジタル表示部8を駆動し、例えば「51」のよ
うにレーン番号の表示をなさしめる。
The signal passing through the line P passes through the counter control circuit 5, enters the lane number counter 6, drives the digital display section 8 of the phase difference meter via the decoder 7, and displays the lane number, for example "51". display.

このようにして受信機の動作開始時にレン識別計3の指
示値の整数部がレーン番号表示部8に自動的に移し代え
られて初期設定が完了する。
In this way, when the receiver starts operating, the integer part of the indicated value of the lane discriminator 3 is automatically transferred to the lane number display section 8, and the initial setting is completed.

以後表示部8の表示は、レーン間端数を含まないレーン
番号、即ちレーン番号の小数点以上の部分のみを表示し
、レーン間端数は回転式の計器9(以下端数計と言う)
によって行なわれる。
From now on, the display section 8 will display only the lane number that does not include the fraction between lanes, that is, the part above the decimal point of the lane number, and the fraction between lanes will be displayed on a rotary meter 9 (hereinafter referred to as fraction meter).
It is carried out by

すなわち上記のようにしてレーン番号を自動設定された
後は、受信部10で測定した主局及び紫従局の信号間の
位相差に応ずる信号が従来と同様に端数計9の互いに直
交する一対のコイルに対する駆動電流として与えられ、
当該端数計9はセンチレーン即ち1/100レーン単位
でレーン間端数を表示する。
That is, after the lane numbers are automatically set as described above, the signals corresponding to the phase difference between the signals of the main station and the purple slave station measured by the receiving unit 10 are divided into a pair of mutually orthogonal fractions of 9, as in the conventional case. given as the drive current to the coil,
The fractional total 9 displays the fractional number between lanes in units of centilane, that is, 1/100 lane.

そして該端数計が1回転するごとに前記デジタル表示部
8のレーン番号を示す数字が1つずつ積算されるように
なっている。
Each time the fraction counter rotates once, the number indicating the lane number on the digital display section 8 is added up one by one.

以上の動作は「赤」及び「緑」位相差計についても全く
同じであるので、両位相差計に関連する部分は図示を省
略した。
The above operation is exactly the same for the "red" and "green" phase difference meters, so parts related to both phase difference meters are omitted from illustration.

但し当,然ながら各位相差計に係るレーン数に対応して
、図示の「紫」位相差計のカウンタ6は30進であり、
図示しない「赤」及び「緑」位相差計付属カウンタはそ
れぞれ24進及び18進である。
However, of course, corresponding to the number of lanes related to each phase difference meter, the counter 6 of the "purple" phase difference meter shown in the figure is in 30 decimal,
The counters attached to the "red" and "green" phase difference meters (not shown) are 24-base and 18-base, respectively.

以上でレーン設定はなされたわけであって、これまでの
説明から明らかなように、設定に当って人手による計器
の調整を要せず、単に簡単なスイッチによる帰零操作と
設定終了後位相差計がマルチパルス以外の受信信号間の
位相差によって駆動されるようにする切換え操作とを行
なう必要があるにすぎない。
The lane setting has been completed above, and as is clear from the explanations so far, the setting does not require manual adjustment of the instrument; it is simply a simple switch to return to zero, and after the setting is completed, the phase difference meter It is only necessary to perform a switching operation such that the signal is driven by the phase difference between the received signals other than the multipulse.

以上説明した本発明に係る受信機は、レーン値設定を完
全に自動的に行なうことができるので、手動設定の手数
と時間とを省くことができ、操作や読み取り上の過誤も
生じないという優れた利点がある。
The receiver according to the present invention described above has the advantage of being able to completely automatically set lane values, thereby eliminating the trouble and time of manual setting, and eliminating errors in operation and reading. There are advantages.

さらに、レーン値の自動設定と相俟って受信機の取扱い
が格段に簡易化されるので、未熟練者が受信機を操作し
ても殆ど問題を生ずることがない。
Furthermore, since the handling of the receiver is greatly simplified in combination with the automatic setting of lane values, there is almost no problem in operating the receiver even if an unskilled person operates the receiver.

ゆえに本発明はとくに小型船舶に設置するデツカ航法用
受信機に適用してきわめて有利である。
Therefore, the present invention is extremely advantageous especially when applied to a deck navigation receiver installed in a small ship.

【図面の簡単な説明】[Brief explanation of drawings]

図は本発明による双曲線航法用受信機の要部構或を示す
系統図である。 1:レーン識別回路、2:デコーダ、3:レーン識別計
、4:レーン織別信号切換回路、52カウンタ制御回路
、6:レーン番号用カウンタ、7:デコーダ、8:デジ
タル表示部、9:端数計、10:受信部。
The figure is a system diagram showing the main structure of a hyperbolic navigation receiver according to the present invention. 1: Lane identification circuit, 2: Decoder, 3: Lane identification meter, 4: Lane classification signal switching circuit, 52 counter control circuit, 6: Lane number counter, 7: Decoder, 8: Digital display section, 9: Fractional number Total, 10: Receiving section.

Claims (1)

【特許請求の範囲】[Claims] 1 受信した主局および従局からのレーン識別信号に基
づき受信位置のレーンを識別するとともに、識別された
レーン番号を表示するためのレーン識別計をそなえたレ
ーン識別回路系と、受信した主局および従局からの持続
波の位相差に対応してレーン番号を積算表示するレーン
番号表示部と、該表示部に表示すべきレーン番号に対応
した信号を与えるためのカウンタをそなえた表示部駆動
回路系とを具え、さらに上記レーン番号表示部の初期表
示値設定時において、上記レーン識別計へノ識別信号出
力を上記表示部駆動回路系のカウンタに入力せしめる回
路を設けて、上記レーン識別計の表示値を上記レーン番
号表示部の初期表示値として自動設定するようにしたこ
とを特徴とするデッ力航法用受信機。
1 A lane identification circuit system equipped with a lane identification meter for identifying the lane at the receiving position based on the received lane identification signals from the main station and the slave station and displaying the identified lane number; A display drive circuit system equipped with a lane number display unit that integrates and displays lane numbers in response to the phase difference of continuous waves from the slave station, and a counter that provides a signal corresponding to the lane number to be displayed on the display unit. Further, when setting the initial display value of the lane number display section, a circuit is provided for inputting an identification signal output to the lane discriminator into a counter of the display section drive circuit system, and the display of the lane number display section is further provided. A receiver for deep power navigation, characterized in that the value is automatically set as the initial display value of the lane number display section.
JP50066854A 1975-06-02 1975-06-02 Decca navigation receiver Expired JPS5837510B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50066854A JPS5837510B2 (en) 1975-06-02 1975-06-02 Decca navigation receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50066854A JPS5837510B2 (en) 1975-06-02 1975-06-02 Decca navigation receiver

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4827482A Division JPS5916223B2 (en) 1982-03-25 1982-03-25 How to set lane numbers for Decca navigation receiver

Publications (2)

Publication Number Publication Date
JPS51142289A JPS51142289A (en) 1976-12-07
JPS5837510B2 true JPS5837510B2 (en) 1983-08-16

Family

ID=13327842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50066854A Expired JPS5837510B2 (en) 1975-06-02 1975-06-02 Decca navigation receiver

Country Status (1)

Country Link
JP (1) JPS5837510B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542306Y2 (en) * 1975-05-06 1980-10-03

Also Published As

Publication number Publication date
JPS51142289A (en) 1976-12-07

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