JPH0334340U - - Google Patents
Info
- Publication number
- JPH0334340U JPH0334340U JP9499889U JP9499889U JPH0334340U JP H0334340 U JPH0334340 U JP H0334340U JP 9499889 U JP9499889 U JP 9499889U JP 9499889 U JP9499889 U JP 9499889U JP H0334340 U JPH0334340 U JP H0334340U
- Authority
- JP
- Japan
- Prior art keywords
- equalizer
- detecting
- minimum value
- component
- modulation
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は本考案の一実施例に係る変復調装置の
要部概略構成図、第２図は実施例装置におけるタ
ツプ係数制御の概念を模式的に示す図である。
１……等化器、２……タツプ係数制御回路、３
……判定回路、４……減算器、５……ローパスフ
イルタ（ＬＰＦ）、６……発散判定回路、７……
比較器、８……最小値レジスタ、９……タツプ係
数メモリ。
FIG. 1 is a schematic diagram of the main parts of a modulation/demodulation device according to an embodiment of the present invention, and FIG. 2 is a diagram schematically showing the concept of tap coefficient control in the embodiment device. 1...Equalizer, 2...Tap coefficient control circuit, 3
... Judgment circuit, 4... Subtractor, 5... Low pass filter (LPF), 6... Divergence judgment circuit, 7...
Comparator, 8...minimum value register, 9...tap coefficient memory.
Claims (1)
成分を検出する手段と、検出された直流成分の最
小値を検出する最小値検出手段と、この最小値検
出時における前記等化器のタツプ係数を記憶する
手段とを具備したことを特徴とする変復調装置。 (2) 請求項(1)に記載の変復調装置において、等
化器の等化出力信号から検出される直流成分を監
視して前記等化器におけるタツプ係数の発散を検
出する手段と、このタツプ係数の発散検出時に前
記直流成分の最小値検出時に記憶されたタツプ係
数を前記等化器にセツトする手段とを具備したこ
とを特徴とする変復調装置。[Claims for Utility Model Registration] (1) Means for detecting the DC component of a signal equalized and output through an equalizer, minimum value detection means for detecting the minimum value of the detected DC component, and A modulation/demodulation device comprising means for storing tap coefficients of the equalizer at the time of detecting a minimum value. (2) The modulation/demodulation device according to claim (1), comprising: means for monitoring a DC component detected from an equalized output signal of an equalizer to detect divergence of a tap coefficient in the equalizer; 1. A modulation/demodulation apparatus, comprising means for setting a tap coefficient stored at the time of detecting the minimum value of the DC component in the equalizer at the time of coefficient divergence detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9499889U JPH0334340U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9499889U JPH0334340U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334340U true JPH0334340U (en) | 1991-04-04 |
Family
ID=31644276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9499889U Pending JPH0334340U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160112813A (en) * | 2015-03-20 | 2016-09-28 | (주)효성피엔지 | Tray device for supporting and depositing containers |
-
1989
- 1989-08-11 JP JP9499889U patent/JPH0334340U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160112813A (en) * | 2015-03-20 | 2016-09-28 | (주)효성피엔지 | Tray device for supporting and depositing containers |
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