JPS6076269U - Frequency analysis device - Google Patents
Frequency analysis deviceInfo
- Publication number
- JPS6076269U JPS6076269U JP16844883U JP16844883U JPS6076269U JP S6076269 U JPS6076269 U JP S6076269U JP 16844883 U JP16844883 U JP 16844883U JP 16844883 U JP16844883 U JP 16844883U JP S6076269 U JPS6076269 U JP S6076269U
- Authority
- JP
- Japan
- Prior art keywords
- analysis device
- frequency analysis
- frequency
- sum
- output
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の１実施例の構成を示すブロック図、第
２図はＦＦＴ周波数解析装置の出力スペクトラムと、ス
ペクトラム線の中間に存在する出力レベル最大の周波数
を示す図である。
１・・・ＦＦＴ周波数解析装置、２・・・周波数指定装
置、３・・・乗算器、４，５・・・加算器、６・・・除
算器、７・・・信号入力端子、８・・・出力端子。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a diagram showing an output spectrum of an FFT frequency analyzer and a frequency with a maximum output level existing in the middle of the spectrum line. DESCRIPTION OF SYMBOLS 1... FFT frequency analysis device, 2... Frequency specification device, 3... Multiplier, 4, 5... Adder, 6... Divider, 7... Signal input terminal, 8... ...Output terminal.
Claims (1)
る周波数解析装置であって、高速フーリエ変換周波数解
析装置と、該装置の指定された出力線周波数と該周波数
における出力レベルとの積の和を前記出力レベルの和で
除する演算回路とから成ることを特徴とする周波数解析
装置。A frequency analysis device used for a wind direction wind speed or current direction current velocity measurement device using sound waves, which calculates the sum of the products of a fast Fourier transform frequency analysis device, a specified output line frequency of the device, and an output level at the frequency. A frequency analysis device comprising: an arithmetic circuit that divides by the sum of output levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16844883U JPS6076269U (en) | 1983-11-01 | 1983-11-01 | Frequency analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16844883U JPS6076269U (en) | 1983-11-01 | 1983-11-01 | Frequency analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6076269U true JPS6076269U (en) | 1985-05-28 |
Family
ID=30368254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16844883U Pending JPS6076269U (en) | 1983-11-01 | 1983-11-01 | Frequency analysis device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076269U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53129079A (en) * | 1977-04-18 | 1978-11-10 | Hitachi Ltd | Spectrum change monitoring system |
-
1983
- 1983-11-01 JP JP16844883U patent/JPS6076269U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53129079A (en) * | 1977-04-18 | 1978-11-10 | Hitachi Ltd | Spectrum change monitoring system |
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