JPH01282470A - Method for measuring vertical surface directionality of antenna for automobile-borne communication equipment - Google Patents
Method for measuring vertical surface directionality of antenna for automobile-borne communication equipmentInfo
- Publication number
- JPH01282470A JPH01282470A JP11147888A JP11147888A JPH01282470A JP H01282470 A JPH01282470 A JP H01282470A JP 11147888 A JP11147888 A JP 11147888A JP 11147888 A JP11147888 A JP 11147888A JP H01282470 A JPH01282470 A JP H01282470A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- measuring
- automobile
- communication equipment
- elevation
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 3
- 239000005340 laminated glass Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、自動車搭載通信機器用アンテナの垂直面指向
性の測定方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for measuring the vertical directivity of an antenna for communication equipment mounted on a vehicle.
［従来の技術］
従来、自動車搭載通信機器用アンテナとしては、ボール
アンテナが一般的に知られている。[Prior Art] Conventionally, a ball antenna is generally known as an antenna for communication equipment mounted on a vehicle.
しかし、最近、ボールアンテナでは風切り音や、駐車中
のいたずらによる破損や、走行中に障害物への引っ掛か
りによる破損があるため、自動車用窓ガラスにアンテナ
を張設したガラスアンテナが採用されている。ガラスア
ンテナとしては、銀ペーストをガラス板面上にプリント
し、焼成したプリントガラスアンテナ、合わせガラスの
内部に極細ワイヤーを封入したワイヤーガラスアンテナ
笠が有り、最近では、透明電導膜をガラス板面上に積層
形成し合わせガラス内Ｒ（Ｓに封入した透明ガラスアン
テナも報告されている。However, recently, ball antennas can be damaged by wind noise, damage caused by mischief while parked, or damage caused by getting caught on obstacles while driving, so glass antennas, in which the antenna is attached to the car window glass, have been adopted. . Glass antennas include printed glass antennas that are made by printing silver paste on a glass plate and firing them, and wire glass antenna shades that have ultra-fine wires sealed inside laminated glass.Recently, transparent conductive films are printed on glass plates. A transparent glass antenna has also been reported in which the antenna is laminated onto a glass plate and sealed in a laminated glass R(S).
これら、ガラスアンテナタイプの自動用搭載通信機器用
アンテナの性能測定方法としては、送信アンテナの高さ
や向きを固定しておき、被測定アンテナを搭載した自動
車を旋回させるか又は一定地点で回転させることにより
３６０°の水平面内での指向特性を採集している。送
信電波は、水平端波、垂直偏波のどちらの偏波面に対し
ても測定している。To measure the performance of these glass antenna type antennas for automotive communication equipment, the height and direction of the transmitting antenna are fixed, and the vehicle equipped with the antenna to be measured is rotated or rotated at a fixed point. The directional characteristics are collected in a 360° horizontal plane. The transmitted radio waves are measured for both horizontal and vertical polarization planes.
［発明の解決しようとする課題］
本発明の目的は、従来の自動車搭載通信機器用アンテナ
技術が有していた前述の性能測定の方法とは違う新規の
測定方法を提供するもので、新規の評価を下せるように
することを目的とするものである。[Problems to be Solved by the Invention] An object of the present invention is to provide a new measurement method that is different from the above-mentioned performance measurement method of the conventional antenna technology for automotive communication equipment. The purpose is to enable evaluations to be made.
［課題を解決するだめの手段］
本発明は、前述の課題を解決すべくなされたものであり
、回転基台上に乗せられた自動車から眺めて、送信用ア
ンテナの仰角が０°〜９０゜の範囲で変化するように設
定し垂直面指向特性を測定し、更に、回転基台を回転さ
せることにより、水平面０°〜３６０°の指向特性をも
測定できるようにしたことを特徴とした自動車搭戒通信
機器用アンデナの垂直面指向特性の測定方法を提供する
ものである。[Means for Solving the Problems] The present invention has been made to solve the above-mentioned problems, and the present invention has been made in order to solve the above-mentioned problems. A vehicle characterized in that the vertical plane directional characteristics are measured by setting the directional characteristics to vary within a range of This invention provides a method for measuring the vertical directivity characteristics of antennas for military communication equipment.
以下、本発明の実施例を図面に従って説明する。Embodiments of the present invention will be described below with reference to the drawings.
第１図は、本発明の測定方法の基本的構成の概念図であ
る。FIG. 1 is a conceptual diagram of the basic configuration of the measuring method of the present invention.
第２図は、本発明の具体例の一実施例を示すものである
。図において、ｌは３６０°回転する回転基台２２は測
定するアンテナが装着されている自動車であり、回転基
台２の回転により自動車も同じく回転する。３は送信用
アンテナである。送信アンテナを設置する土台としては
、第２図の様に、クレーン車４を用いてもよいし、アー
ヂ型に、送信アンテナを移動できるような建造物を用い
てもよい。また、送信アンテナと被測定アンテナ（車＋
Ｔｉりとの距離は、５ｍ以上、好ましくはｌ０ｍ以上と
することが電波の定在波の安定の関係から望ましい。更
に、送信アンテナの方向は、回転基台２の中心上１．３
ｍ高の地点（はぼ車載アンテナの取付は高さ）を向ける
ことがアンテナのビームの方向の面から好ましい。FIG. 2 shows a specific embodiment of the present invention. In the figure, a rotary base 22 that rotates 360° is a car on which a measuring antenna is attached, and as the rotary base 2 rotates, the car also rotates. 3 is a transmitting antenna. As the base on which the transmitting antenna is installed, a crane truck 4 may be used as shown in FIG. 2, or an arch-type building on which the transmitting antenna can be moved may be used. In addition, the transmitting antenna and the antenna under test (car +
It is desirable that the distance from Ti is 5 m or more, preferably 10 m or more, from the standpoint of stability of standing waves of radio waves. Furthermore, the direction of the transmitting antenna is 1.3 points above the center of the rotating base 2.
In terms of the direction of the antenna beam, it is preferable to point at a point at a height of m (this is the height at which the in-vehicle antenna is mounted).
第３図は、本発明における装置類の構成の基本的−例を
示す。FIG. 3 shows a basic example of the configuration of devices in the present invention.
また、第４図には、フィールド電界強度（ＦＳデータ）
を測定するための受信側ダイポールアンテナの取付は装
置と、その使用状態の一例を示している。この時、アン
テナの方向は、送信アンテナの到来方向に一致させるこ
とが測定の正確性の面からみて望ましい。In addition, Fig. 4 shows the field electric field strength (FS data).
The installation of the receiving dipole antenna for measuring the 200°C shows an example of the device and its usage. At this time, it is desirable to match the direction of the antenna with the arrival direction of the transmitting antenna from the viewpoint of measurement accuracy.
［実施例］ 以下、図面に基づいて本発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail based on the drawings.
本発明の基本的な構成は、第１図に示す様になっている
。送信用アンテナが仰角Ｏ°〜９０゜まで変化していく
時に、送信用アンテナの描く軌跡は、第２図に示す様に
クレーン車或いはアーチ状の建造物を用いて、円弧を描
くように移動させる。この時、仰角の任意の角度におい
て回転基台を回転させ、その仰角における水平面指向特
性のデータを採集することができる。The basic configuration of the present invention is as shown in FIG. When the transmitting antenna changes its elevation angle from 0° to 90°, the locus drawn by the transmitting antenna is moved in an arc using a crane truck or an arch-shaped structure, as shown in Figure 2. let At this time, it is possible to rotate the rotary base at any angle of elevation and collect data on the horizontal plane directivity characteristics at that angle of elevation.
第３図には、計測装置の簡単な構成を示している。測定
の対象となるアンテナ７は、第３図の様なガラスアンテ
ナや、ホイップアンテナ等車裁可能なアンテナであれば
良い。FIG. 3 shows a simple configuration of the measuring device. The antenna 7 to be measured may be a glass antenna as shown in FIG. 3 or an antenna that can be used on a vehicle, such as a whip antenna.
第６図に示したのは、従来のアンテナ感度測定方法であ
る。従来は、図の様に送信アンテナを固定しておき、（
１）の様に車を旋回させたり、（２）の様に回転基台上
において回転させたりして、水平３６０°の指向特性を
得ていたゆ第５図は本発明の測定の目的とするところの
モデルを３次元的に表したものであり、２０は送信用ア
ンテナの仰角の軌跡、２１は送信用アンテナの方位（回
転角度）の軌跡である。What is shown in FIG. 6 is a conventional method for measuring antenna sensitivity. Conventionally, the transmitting antenna was fixed as shown in the figure.
The directional characteristics of 360° horizontally were obtained by turning the car as shown in 1) or rotating it on a rotating base as shown in (2). 20 is a three-dimensional representation of the model in which the transmission antenna is located, and 20 is the locus of the elevation angle of the transmitting antenna, and 21 is the locus of the azimuth (rotation angle) of the transmitting antenna.
［発明の効果］
本発明は、自動車搭載通信機器用アンテナの性能を、従
来の二次元的だけによる評価方法から、三次元的な評価
方法とすることにより、令名気付かなかった視点から評
価でき、アンテナの性能測定の総合的評価に役立つもの
である。[Effects of the Invention] The present invention makes it possible to evaluate the performance of antennas for automotive communication equipment from a previously unnoticed perspective by using a three-dimensional evaluation method instead of the conventional two-dimensional evaluation method. , which is useful for comprehensive evaluation of antenna performance measurements.
第１図は、本発明に実施例の概念を示す説明図であり、
第２図は、測定の状態を示す説明図を示す。第３図は、
本発明を構成する装置ｎの接続状態の説明図を示す。第
４図は、基準となる電界強度を測定する方法の説明図を
示す。第５図には、本発明による測定によって得た情報
による評価方法の概念のモデル図を示す。第６図に、従
来の測定方法の説明図を示す。
図において、
１は被測定車
２は回転基台
３は送信用アンテナ
４はクレーン車
５はクレーン車のブーム
６は自動車リヤガラス
７は被測定アンテナ（ガラスアンテナ）８は電界強度計
９は周波数発信器
１０は仰角変位用ローチーター
１１は基準ダイポールアンテナ（受信用）１２は測定フ
ィールド
を示している。
第５０
第６図
ゝＺFIG. 1 is an explanatory diagram showing the concept of an embodiment of the present invention,
FIG. 2 shows an explanatory diagram showing the state of measurement. Figure 3 shows
An explanatory diagram of a connection state of a device n constituting the present invention is shown. FIG. 4 shows an explanatory diagram of a method for measuring a reference electric field strength. FIG. 5 shows a conceptual model diagram of an evaluation method using information obtained by measurement according to the present invention. FIG. 6 shows an explanatory diagram of a conventional measurement method. In the figure, 1 is the vehicle to be measured 2 is the rotating base 3 is the transmitting antenna 4 is the crane truck 5 is the boom of the crane truck 6 is the automobile rear window 7 is the antenna to be measured (glass antenna) 8 is the electric field strength meter 9 is the frequency transmitter A low cheater 11 for elevation angle displacement is a reference dipole antenna (for reception) 12 is a measurement field. 50 Figure 6 Z
Claims (3)
用アンテナの仰角が０°〜９０°の範囲で変化するよう
に設定して垂直面指向特性を測定し、更に、回転基台を
回転させることにより、水平面０°〜３６０°の水平面
指向特性をも測定できるようにしたことを特徴とする自
動車搭載通信機器用アンテナの垂直面指向特性の測定方
法。(1) Vertical directivity characteristics were measured by setting the elevation angle of the transmitting antenna to vary in the range of 0° to 90° as seen from the car mounted on the rotating base, and 1. A method for measuring vertical directional characteristics of an antenna for an automobile-mounted communication device, characterized in that horizontal directional characteristics in a horizontal plane of 0° to 360° can also be measured by rotating the antenna.
化するときに、測定用の送信用アンテナの方向を回転基
台の中心に向けて用いることを特徴とする請求項（１）
記載の自動車搭載通信機器用アンテナの垂直面指向性の
測定方法。(2) Claim (1) characterized in that when the elevation angle of the transmitting antenna changes in the range of 0° to 90°, the direction of the transmitting antenna for measurement is directed toward the center of the rotating base.
A method for measuring the vertical directivity of the antenna for automotive communication equipment described above.
測定する場合の基準となるフィールド電界強度を測定す
る時、送信用アンテナの仰角が０°〜９０°の範囲で変
化するときに、受信測定用のダイポールアンテナの方向
を送信用アンテナの方向に向けて測定し決定することを
特徴とする請求項（１）記載の自動車搭載通信機器用ア
ンテナの垂直面指向性の測定方法。(3) When measuring the field electric field strength, which is the standard for measuring the vertical directionality of antennas for automotive communication equipment, when the elevation angle of the transmitting antenna changes within the range of 0° to 90°, the receiving 2. The method for measuring vertical directivity of an antenna for an automobile-mounted communication device according to claim 1, characterized in that the direction of the measuring dipole antenna is measured and determined in the direction of the transmitting antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11147888A JPH01282470A (en) | 1988-05-10 | 1988-05-10 | Method for measuring vertical surface directionality of antenna for automobile-borne communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11147888A JPH01282470A (en) | 1988-05-10 | 1988-05-10 | Method for measuring vertical surface directionality of antenna for automobile-borne communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01282470A true JPH01282470A (en) | 1989-11-14 |
Family
ID=14562272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11147888A Pending JPH01282470A (en) | 1988-05-10 | 1988-05-10 | Method for measuring vertical surface directionality of antenna for automobile-borne communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01282470A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028664A (en) * | 1998-07-07 | 2000-01-28 | Shimizu Corp | Broadcast electronic wave propagation analysis system |
| JPWO2020110483A1 (en) * | 2018-11-27 | 2021-02-15 | 森田テック 株式会社 | Test equipment |
-
1988
- 1988-05-10 JP JP11147888A patent/JPH01282470A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028664A (en) * | 1998-07-07 | 2000-01-28 | Shimizu Corp | Broadcast electronic wave propagation analysis system |
| JPWO2020110483A1 (en) * | 2018-11-27 | 2021-02-15 | 森田テック 株式会社 | Test equipment |
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