JPS6276623U - - Google Patents
Info
- Publication number
- JPS6276623U JPS6276623U JP16911685U JP16911685U JPS6276623U JP S6276623 U JPS6276623 U JP S6276623U JP 16911685 U JP16911685 U JP 16911685U JP 16911685 U JP16911685 U JP 16911685U JP S6276623 U JPS6276623 U JP S6276623U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- memory
- calculation device
- frequency
- vibration frequency
- 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
- 238000005070 sampling Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例を示す全体ブロツク
図、第２図ａ，ｂは各々センサの種類を示す説明
図、第３図ａ，ｂは各々センサの周波数特性図、
第４図はセンサ個有の周波数特性を補正するため
の従来の回路図である。
１…振動体、２，３，６…センサ、７０…増幅
器、７１…高速ＡＤ変換器、７２…高速演算装置
、７３，７４，７７…ＲＡＭ、７５…演算装置。
FIG. 1 is an overall block diagram showing an embodiment of the present invention, FIGS. 2 a and b are explanatory diagrams showing the types of sensors, and FIGS. 3 a and b are frequency characteristic diagrams of the sensors, respectively.
FIG. 4 is a conventional circuit diagram for correcting frequency characteristics specific to a sensor. DESCRIPTION OF SYMBOLS 1... Vibrating body, 2, 3, 6... Sensor, 70... Amplifier, 71... High speed AD converter, 72... High speed calculation device, 73, 74, 77... RAM, 75... Calculation device.
Claims (1)
センサの出力信号をデイジタル値に変換するＡＤ
変換器と、このＡＤ変換器の出力値を所定周期で
サンプリングする高速演算装置と、この高速演算
装置のサンプリング値を記憶する第１のメモリと
、前記センサの個有の周波数特性に関するデータ
を記憶した第２のメモリと、前記第１のメモリに
記憶した振動体の振動周波数に関するサンプリン
グ値から前記第２のメモリに記憶したセンサ個有
の周波数特性に関するデータを減算し、その減算
結果から振動体の振動周波数を解析する演算装置
とを備えた周波数解析装置。 A sensor that detects the vibration frequency of a vibrating body and an AD that converts the output signal of this sensor into a digital value
a converter, a high-speed calculation device that samples the output value of the AD converter at a predetermined period, a first memory that stores the sampling value of the high-speed calculation device, and stores data regarding the unique frequency characteristics of the sensor. subtract the data related to the frequency characteristics unique to the sensor stored in the second memory from the sampling values related to the vibration frequency of the vibrating body stored in the second memory and the first memory, and from the subtraction result, A frequency analysis device comprising a calculation device for analyzing the vibration frequency of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16911685U JPS6276623U (en) | 1985-11-01 | 1985-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16911685U JPS6276623U (en) | 1985-11-01 | 1985-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6276623U true JPS6276623U (en) | 1987-05-16 |
Family
ID=31102625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16911685U Pending JPS6276623U (en) | 1985-11-01 | 1985-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6276623U (en) |
-
1985
- 1985-11-01 JP JP16911685U patent/JPS6276623U/ja active Pending
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