DE767356C - Method for checking a device for measuring distances - Google Patents

Method for checking a device for measuring distances

Info

Publication number
DE767356C
DE767356C DEL90291D DEL0090291D DE767356C DE 767356 C DE767356 C DE 767356C DE L90291 D DEL90291 D DE L90291D DE L0090291 D DEL0090291 D DE L0090291D DE 767356 C DE767356 C DE 767356C
Authority
DE
Germany
Prior art keywords
dipole
checking
measuring distances
hand
switching device
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
DEL90291D
Other languages
German (de)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Priority to DEL90291D priority Critical patent/DE767356C/en
Application granted granted Critical
Publication of DE767356C publication Critical patent/DE767356C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Geophysics And Detection Of Objects (AREA)

Description

Es ist bekannt, zur Messung der Entfernung von Gegenständen die Reflexion elektromagnetischer Wellen, insbesondere von Ultrakurzwellen, zu verwenden. Eine Möglichkeit, dieses Verfahren durchzuführen, besteht darin, einen Schwingungserzeuger dauernd schwingen zu lassen und die Änderung des Schwingungszustandes durch die vom entfernten Körper reflektierten Wellen zur Messung auszunutzen. It is known to measure the distance of objects the reflection electromagnetic waves, especially ultra-short waves. One One way of performing this procedure is to use a vibrator to let them vibrate continuously and the change in the vibrational state through the to use waves reflected by the distant body for measurement.

Dieses Verfahren kommt insbesondere dann in Betracht, wenn es sich um die Messung der Höhe von Flugzeugen über dem Erdboden handlet. Ein Nachteil des Verfahrens besteht jedoch darin, daß es gegen Schwankungen der Betriebsspeisespannungen außerordentlich empfindlich ist, denn die Speisespannungsschwankungen machen sich in einer Änderung der Anzeigeempfindlichkeit und damit in gleicher Weise wie Abstandsänderungen bemerkbar. Die Erfindung schlägt vor, zur Prüfung des ordnungsgemäßen Arbeitens eine Einrichtung vorzusehen, durch welche eine konstante künstliche Feldveränderung vorgenommen werden kann.This method is particularly suitable if it is handles the measurement of the altitude of aircraft above the ground. A disadvantage of the However, the method consists in that it is against fluctuations in the operating supply voltages is extremely sensitive, because the supply voltage fluctuations make themselves in a change in the display sensitivity and thus in the same way as changes in distance noticeable. The invention proposes to check that it is working properly to provide a device by which a constant artificial field change can be made.

In der Abbildung ist ein Ausführungsbeispiel zur Durchführung des Erfindungsgedankens gezeigt. Unterhalb der Tragdecke T des Flugzeuges ist ein windschnittiger Körper K in Form eines Isoliermaterialrohres angebracht. In diesem Rohr sitzt zweckmäßigerweise, wie gestrichelt angedeutet, gleich der Sender, der einen #/2 Dipol D1 speist. Der Sender kann in einer der bekannten Schaltungen arbeiten. Die Einrichtungen zur Anzeige der Änderung des Schwingungszustandes durch die reflektierten Wellen sind in der Abbildung nicht dargestellt, da sie für den Erfindungsgedanken unwesentlich sind; sie sitzen an geeigneter Stelle innerhalb des Flugzeuges. Der Dipol D1 ist dann an seinem Ende durch ein Isoliermaterialrohr R gehalten. The figure shows an exemplary embodiment for carrying out the Inventive concept shown. Below the wing T of the aircraft is a streamlined one Body K attached in the form of an insulating material pipe. In this tube sits conveniently, as indicated by dashed lines, the same as the transmitter that feeds a # / 2 dipole D1. Of the The transmitter can work in one of the known circuits. The facilities for display the change in the oscillation state due to the reflected waves are in the Figure not shown because they are not essential to the concept of the invention; they sit in a suitable place within the aircraft. The dipole is then D1 held at its end by an insulating material pipe R.

Claims (1)

Dieses Isoliermaterialrohr, das zweckmäßigerweise ebenfalls windschnittigen Querschnitt besitzt, dient einerseits dazu, das Ende des Dipols zu halten, so daß mechanisme Schwingungen desselben vermieden werden, andererseits zur Aufnahme der erfindungsgemäßen Einrichtung. Zu letzterem Zweck befindet sich im Innern des Rohres R ein Metallstift M, der an dem dem Dipol abgewendeten Ende mit einer Schalteinrichtung S versehen ist. Durch Schließen der Schalteinrichtung kann das Ende des Metallstiftes mit dem Tragdeck T verbunden werden. Es ist angenommen, daß das tragen wird, das gleichzeitig das Ende der Antenne hält.This insulating material pipe, which is also expediently streamlined Has cross section, serves on the one hand to hold the end of the dipole, so that mechanistic vibrations of the same are avoided, on the other hand to accommodate the device according to the invention. For the latter purpose is located inside the tube R a metal pin M, the end facing away from the dipole with a switching device S is provided. By closing the switching device, the end of the metal pin be connected to the supporting deck T. It is believed that this will carry that at the same time holding the end of the antenna.
DEL90291D 1936-05-03 1936-05-03 Method for checking a device for measuring distances Expired DE767356C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL90291D DE767356C (en) 1936-05-03 1936-05-03 Method for checking a device for measuring distances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL90291D DE767356C (en) 1936-05-03 1936-05-03 Method for checking a device for measuring distances

Publications (1)

Publication Number Publication Date
DE767356C true DE767356C (en) 1952-07-10

Family

ID=7287023

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL90291D Expired DE767356C (en) 1936-05-03 1936-05-03 Method for checking a device for measuring distances

Country Status (1)

Country Link
DE (1) DE767356C (en)

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