JPS6442457U - - Google Patents
Info
- Publication number
- JPS6442457U JPS6442457U JP13683787U JP13683787U JPS6442457U JP S6442457 U JPS6442457 U JP S6442457U JP 13683787 U JP13683787 U JP 13683787U JP 13683787 U JP13683787 U JP 13683787U JP S6442457 U JPS6442457 U JP S6442457U
- Authority
- JP
- Japan
- Prior art keywords
- optical detection
- detection means
- correlation
- input
- speedometer
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 claims 3
- 238000012634 optical imaging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図は本案の一実施例を説明する構成図、第
２図は第１図におけるデイテクタの構成図、第３
図は第２図のデイテクタの空間周波数特性図、第
４図は従来の方式による時間波形と相関特性を説
明する図、第５図は本案を適用した場合の時間波
形と相関特性を説明する図、第６図は単一のデイ
テクタの周波数特性を説明する図、第７図は位同
期ループ型相関器回路図、第８図は演算処理型の
回路構成図、第９図はフローチヤートである。
５……相関器、２０，２１……レンズ、３０，
３１……デイテクタ、４０，４１……差動増幅器
。
Fig. 1 is a block diagram explaining one embodiment of the present invention, Fig. 2 is a block diagram of the detector in Fig. 1, and Fig. 3 is a block diagram explaining an embodiment of the present invention.
The figure is a spatial frequency characteristic diagram of the detector shown in Figure 2, Figure 4 is a diagram explaining the time waveform and correlation characteristics according to the conventional method, and Figure 5 is a diagram explaining the time waveform and correlation characteristics when the present method is applied. , Fig. 6 is a diagram explaining the frequency characteristics of a single detector, Fig. 7 is a phase-locked loop type correlator circuit diagram, Fig. 8 is an arithmetic processing type circuit configuration diagram, and Fig. 9 is a flowchart. . 5... Correlator, 20, 21... Lens, 30,
31...Detector, 40, 41...Differential amplifier.
Claims (1)
知手段と、単数もしくは複数の光学的結像手段と
前記光学検知手段出力の相関の計算手段と、前記
相関計算手段から求められる２点間の統計的遅延
時間と距離から相度を計算する手段とから成る速
度計において、前記、光学的検知手段において、
各々速度ベクトル方向に複数の検知器を配し、差
動増幅器に入力することを特徴とする相関式速度
計。 two systems of optical detection means arranged in the direction of the velocity vector; means for calculating the correlation between one or more optical imaging means and the output of the optical detection means; and statistics between the two points determined from the correlation calculation means. In the speedometer, the optical detection means comprises:
A correlation type speedometer characterized in that a plurality of detectors are arranged in each direction of the speed vector, and input is input to a differential amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13683787U JPS6442457U (en) | 1987-09-09 | 1987-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13683787U JPS6442457U (en) | 1987-09-09 | 1987-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442457U true JPS6442457U (en) | 1989-03-14 |
Family
ID=31397718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13683787U Pending JPS6442457U (en) | 1987-09-09 | 1987-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009117834A (en) * | 2007-11-08 | 2009-05-28 | Robert Bosch Gmbh | Piezoactuator with protecting layer system, and piezoactuator module |
| JP2012112794A (en) * | 2010-11-25 | 2012-06-14 | Mitsubishi Electric Corp | Speed measuring device |
| JP2012112793A (en) * | 2010-11-25 | 2012-06-14 | Mitsubishi Electric Corp | Speed measuring device |
-
1987
- 1987-09-09 JP JP13683787U patent/JPS6442457U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009117834A (en) * | 2007-11-08 | 2009-05-28 | Robert Bosch Gmbh | Piezoactuator with protecting layer system, and piezoactuator module |
| JP2012112794A (en) * | 2010-11-25 | 2012-06-14 | Mitsubishi Electric Corp | Speed measuring device |
| JP2012112793A (en) * | 2010-11-25 | 2012-06-14 | Mitsubishi Electric Corp | Speed measuring device |
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