JPS6399440U - - Google Patents

Info

Publication number
JPS6399440U
JPS6399440U JP1986194343U JP19434386U JPS6399440U JP S6399440 U JPS6399440 U JP S6399440U JP 1986194343 U JP1986194343 U JP 1986194343U JP 19434386 U JP19434386 U JP 19434386U JP S6399440 U JPS6399440 U JP S6399440U
Authority
JP
Japan
Prior art keywords
code
gain control
synchronization
control circuit
automatic gain
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
JP1986194343U
Other languages
English (en)
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 filed Critical
Priority to JP1986194343U priority Critical patent/JPS6399440U/ja
Publication of JPS6399440U publication Critical patent/JPS6399440U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Synchronisation In Digital Transmission Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Description

【図面の簡単な説明】
第1図は本実施例に係るGPS用受信機のブロ
ツク図、第2図は逆拡散回路部の一部を構成する
同期検出手段を示すブロツク図である。 20……逆拡散回路部、24,26……増幅器
、28……切り換えスイツチ、36……コンパレ
ータ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 送信側PN符号を受信し逆拡散回路部での捕捉
    により送信側PN符号と受信機から発生する受信
    側PN符号との同期をとつて送信点と受信点間の
    距離を測定することが可能なスペクトル拡散受信
    機であつて、前記送信側PN符号及び受信側PN
    符号の同期がとられたことを検出する符号同期検
    出手段と、前記逆拡散回路部からの出力信号に応
    じて自動的に逆拡散回路部への入力信号の強度を
    一定に保持するように利得の制御をする自動利得
    制御回路と、前記符号同期検出手段で同期がとら
    れたことを検出していない場合に前記自動利得制
    御回路をローレベルの利得制御とし同期がとられ
    たことを検出した場合に前記自動利得制御回路を
    ハイレベルの利得制御とする切り換え手段と、を
    有するスペクトル拡散受信機。
JP1986194343U 1986-12-17 1986-12-17 Pending JPS6399440U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986194343U JPS6399440U (ja) 1986-12-17 1986-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986194343U JPS6399440U (ja) 1986-12-17 1986-12-17

Publications (1)

Publication Number Publication Date
JPS6399440U true JPS6399440U (ja) 1988-06-28

Family

ID=31151229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986194343U Pending JPS6399440U (ja) 1986-12-17 1986-12-17

Country Status (1)

Country Link
JP (1) JPS6399440U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03241931A (ja) * 1990-02-20 1991-10-29 Sanyo Electric Co Ltd 無線装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03241931A (ja) * 1990-02-20 1991-10-29 Sanyo Electric Co Ltd 無線装置

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