JPH0225875U - - Google Patents
Info
- Publication number
- JPH0225875U JPH0225875U JP10555888U JP10555888U JPH0225875U JP H0225875 U JPH0225875 U JP H0225875U JP 10555888 U JP10555888 U JP 10555888U JP 10555888 U JP10555888 U JP 10555888U JP H0225875 U JPH0225875 U JP H0225875U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- low
- measures
- filter extracts
- counter
- 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
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
Description
第１図ａ，ｂ，ｃはこの考案の一実施例による
周波数分析装置を示すブロツク図及び波形図であ
る。第２図ａ、第３図ａ及び第２図ｂ、第３図ｂ
は従来の周波数分析装置を示すブロツク図及び波
形図。
図中、１は分波器、２は周波数判別回路、３は
周波数掃引型フイルタ、４は周波数制御回路、５
は周波数識別回路、６は低域通過フイルタ、７は
低周波カウンタ、８は高域帯域通過フイルタ、９
は高周波カウンタ、１０は加減算回路を示す。な
お、図中、同一符号は同一、又は相当部分を示す
。
FIGS. 1A, 1B, and 1C are a block diagram and a waveform diagram showing a frequency analyzer according to an embodiment of this invention. Figure 2a, Figure 3a and Figure 2b, Figure 3b
1 is a block diagram and waveform diagram showing a conventional frequency analyzer. In the figure, 1 is a duplexer, 2 is a frequency discrimination circuit, 3 is a frequency sweep filter, 4 is a frequency control circuit, and 5
is a frequency identification circuit, 6 is a low pass filter, 7 is a low frequency counter, 8 is a high pass band filter, 9
1 is a high frequency counter, and 10 is an addition/subtraction circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
波数分析において低周波成分を抽出する低域通過
フイルタとその周波数を計測する低周波カウンタ
と、高周波成分を抽出する高域帯域通過フイルタ
とその周波数を計測する高周波カウンタと、上記
の２つのカウンタ出力を加減演算する加減演算回
路とを備えたことを特徴とする周波数分析装置。 In frequency analysis of input signals whose frequencies are close and overlapped in time, a low-pass filter extracts the low-frequency component, a low-frequency counter measures the frequency, and a high-pass bandpass filter extracts the high-frequency component and measures the frequency. A frequency analysis device comprising: a high frequency counter for measuring; and an addition/subtraction calculation circuit for adding/subtracting the outputs of the two counters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10555888U JPH0225875U (en) | 1988-08-09 | 1988-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10555888U JPH0225875U (en) | 1988-08-09 | 1988-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225875U true JPH0225875U (en) | 1990-02-20 |
Family
ID=31338281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10555888U Pending JPH0225875U (en) | 1988-08-09 | 1988-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225875U (en) |
-
1988
- 1988-08-09 JP JP10555888U patent/JPH0225875U/ja active Pending
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