JPH0354046U - - Google Patents
Info
- Publication number
- JPH0354046U JPH0354046U JP11323089U JP11323089U JPH0354046U JP H0354046 U JPH0354046 U JP H0354046U JP 11323089 U JP11323089 U JP 11323089U JP 11323089 U JP11323089 U JP 11323089U JP H0354046 U JPH0354046 U JP H0354046U
- Authority
- JP
- Japan
- Prior art keywords
- input
- sampling period
- performs
- inputting
- pieces
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第1図は本考案の一実施例の構成ブロツク図、
第2図は減衰させようとするノルマルモードノイ
ズの周波数fnoが50Hzとした場合の、選択
スイツチ手段の各スイツチ(この例では4個のス
イツチで構成してあるものとする)のオンとなる
順番を示す図、第3図は主入力および従入力の意
味を説明するための図である。
1……センサ、2……入力選択スイツチ手段、
3……A/D変換器、4……演算手段、41……
第4の移動平均演算手段、42……第2の移動平
均演算手段、43……スイツチの制御手段。
FIG. 1 is a block diagram of an embodiment of the present invention.
Figure 2 shows the order in which the switches of the selection switch means (in this example, it is composed of four switches) are turned on when the frequency fno of the normal mode noise to be attenuated is 50 Hz. FIG. 3 is a diagram for explaining the meaning of the main input and the sub-input. 1...Sensor, 2...Input selection switch means,
3... A/D converter, 4... Arithmetic means, 41...
Fourth moving average calculation means, 42...Second moving average calculation means, 43...Switch control means.
Claims (1)
、従入力を第2のサンプリング周期T2で入力す
る入力選択スイツチ手段と、 この選択スイツチ手段で選択された各入力をそ
れぞれA/D変換するA/D変換器と、 A/D変換されたデイジタル信号を入力する演
算手段とを備え、 前記演算手段は、第1のサンプリング周期で入
力されたN個のデータの移動平均をとる演算を行
うと共に、第2のサンプリング周期で入力された
M個(N>M)のデータの移動平均をとる演算を
行うことを特徴とするアナログ信号入力装置。[Claims for Utility Model Registration] Input selection switch means for inputting a main input at a first sampling period T1 and inputting a sub-input at a second sampling period T2; Each includes an A/D converter that performs A/D conversion, and a calculation means that inputs the A/D converted digital signal, and the calculation means moves the N pieces of data input in the first sampling period. An analog signal input device characterized in that it performs an operation for taking an average and also performs an operation for taking a moving average of M pieces of data (N>M) input in a second sampling period.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989113230U JP2501814Y2 (en) | 1989-09-27 | 1989-09-27 | Analog signal input device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989113230U JP2501814Y2 (en) | 1989-09-27 | 1989-09-27 | Analog signal input device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0354046U true JPH0354046U (en) | 1991-05-24 |
JP2501814Y2 JP2501814Y2 (en) | 1996-06-19 |
Family
ID=31661649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989113230U Expired - Lifetime JP2501814Y2 (en) | 1989-09-27 | 1989-09-27 | Analog signal input device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2501814Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008274696A (en) * | 2007-05-02 | 2008-11-13 | Sekisui Chem Co Ltd | Habitable room with light control function |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104522A (en) * | 1981-12-16 | 1983-06-22 | Nippon Denso Co Ltd | Analog-to-digital conversion method |
-
1989
- 1989-09-27 JP JP1989113230U patent/JP2501814Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104522A (en) * | 1981-12-16 | 1983-06-22 | Nippon Denso Co Ltd | Analog-to-digital conversion method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008274696A (en) * | 2007-05-02 | 2008-11-13 | Sekisui Chem Co Ltd | Habitable room with light control function |
Also Published As
Publication number | Publication date |
---|---|
JP2501814Y2 (en) | 1996-06-19 |