JPS59189176U - signal detection circuit - Google Patents
signal detection circuitInfo
- Publication number
- JPS59189176U JPS59189176U JP8338183U JP8338183U JPS59189176U JP S59189176 U JPS59189176 U JP S59189176U JP 8338183 U JP8338183 U JP 8338183U JP 8338183 U JP8338183 U JP 8338183U JP S59189176 U JPS59189176 U JP S59189176U
- Authority
- JP
- Japan
- Prior art keywords
- output
- detection circuit
- signal detection
- signal
- frequency discriminator
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Noise Elimination (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図は従来の信号検出回路の構成を示すブ冶ツク回路
図、第2図は第1図に示すものの各部の波形を示す図、
第3図はこの考案による信号検出回路の構成を示すブロ
ック構成図、第4図は第3図に示すものの各部の波形を
示す図であり、1は電圧制御発振器、2は混合器、3は
中間周波増幅・器、4は検波器、5は信号判定回路、6
は周波数弁別器、7は積分器、8はフィルタである。な
お、図中同一あるいは相当部分には同一符号を付して示
めしである。Fig. 1 is a block circuit diagram showing the configuration of a conventional signal detection circuit, Fig. 2 is a diagram showing waveforms of various parts of the circuit shown in Fig. 1,
FIG. 3 is a block diagram showing the configuration of the signal detection circuit according to this invention, and FIG. 4 is a diagram showing the waveforms of each part of the circuit shown in FIG. intermediate frequency amplifier/device, 4 is a detector, 5 is a signal judgment circuit, 6
is a frequency discriminator, 7 is an integrator, and 8 is a filter. Note that the same or corresponding parts in the figures are indicated by the same reference numerals.
Claims (1)
、上記混合器による混合出力を増幅する増幅器と、上記
増幅器の出力を周波数弁別する周波数弁別器と、上記周
波数弁別器の出力を積分する積分器と、上記積分器の出
力をフィルタリングするフィルタと、上記フィルタにつ
ながり信号の有無を判定する信号判定回路とからなる信
号検出回路。a mixer for mixing the input signal and the output of the voltage controlled oscillator; an amplifier for amplifying the mixed output of the mixer; a frequency discriminator for frequency discriminating the output of the amplifier; and a frequency discriminator for integrating the output of the frequency discriminator. A signal detection circuit comprising an integrator, a filter that filters the output of the integrator, and a signal determination circuit connected to the filter and determining the presence or absence of a signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8338183U JPS59189176U (en) | 1983-06-01 | 1983-06-01 | signal detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8338183U JPS59189176U (en) | 1983-06-01 | 1983-06-01 | signal detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59189176U true JPS59189176U (en) | 1984-12-15 |
Family
ID=30213340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8338183U Pending JPS59189176U (en) | 1983-06-01 | 1983-06-01 | signal detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59189176U (en) |
-
1983
- 1983-06-01 JP JP8338183U patent/JPS59189176U/en active Pending
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