JPS5744811A - Detecting method of areal center position of peak waveform - Google Patents

Detecting method of areal center position of peak waveform

Info

Publication number
JPS5744811A
JPS5744811A JP11949580A JP11949580A JPS5744811A JP S5744811 A JPS5744811 A JP S5744811A JP 11949580 A JP11949580 A JP 11949580A JP 11949580 A JP11949580 A JP 11949580A JP S5744811 A JPS5744811 A JP S5744811A
Authority
JP
Japan
Prior art keywords
peak waveform
comparator
memory
center position
data
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
Application number
JP11949580A
Other languages
Japanese (ja)
Inventor
Hideo Yoshida
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP11949580A priority Critical patent/JPS5744811A/en
Publication of JPS5744811A publication Critical patent/JPS5744811A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To determine the areal center position correctly and quickly by means of a simple constitution by a method wherein calculating a peak waveform from the starting end and the finishing end of a series of data of the peak wave form and detecting the position of data where the results of calculation of both sides coincide. CONSTITUTION:Data including n values from S1 to Sn representing a peak waveform is stored in a memory 5. The values S1 and Sn are read out from the memory 5 and are sent to the calculators 15 and 16 respectively. A comparator 17 compares S1 and Sn and when S1>Sn, the comparator 17 provides a selection signal 18 to send a value Sn-1 to the calculator 16, therefore, the calculator 16 provides an output D of Sn+Sn-1. Then the comparator 17 compares Sn+Sn-1 and S1 and when (Sn+Sn-1)>S1, the comparator 17 provides a selection signal 18 to send a value S2 to the calculator 15 from the memory 5. Thus the data is calculated from the starting end and the finishing end of the memory and the position of No.r or No. (r+1), where the respective outputs of the calculators 15 and 16 are substantially equal to each other, is determined to be the areal center position of the peak waveform equally dividing the area of the peak waveform.
JP11949580A 1980-08-29 1980-08-29 Detecting method of areal center position of peak waveform Pending JPS5744811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11949580A JPS5744811A (en) 1980-08-29 1980-08-29 Detecting method of areal center position of peak waveform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11949580A JPS5744811A (en) 1980-08-29 1980-08-29 Detecting method of areal center position of peak waveform

Publications (1)

Publication Number Publication Date
JPS5744811A true JPS5744811A (en) 1982-03-13

Family

ID=14762672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11949580A Pending JPS5744811A (en) 1980-08-29 1980-08-29 Detecting method of areal center position of peak waveform

Country Status (1)

Country Link
JP (1) JPS5744811A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5961773A (en) * 1982-09-30 1984-04-09 Shimadzu Corp Precise measurement of mass
JPS60203809A (en) * 1984-03-29 1985-10-15 Jeol Ltd System for setting threshold of spectrum data

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5961773A (en) * 1982-09-30 1984-04-09 Shimadzu Corp Precise measurement of mass
JPS60203809A (en) * 1984-03-29 1985-10-15 Jeol Ltd System for setting threshold of spectrum data

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