JPS6284775U - - Google Patents

Info

Publication number
JPS6284775U
JPS6284775U JP17611185U JP17611185U JPS6284775U JP S6284775 U JPS6284775 U JP S6284775U JP 17611185 U JP17611185 U JP 17611185U JP 17611185 U JP17611185 U JP 17611185U JP S6284775 U JPS6284775 U JP S6284775U
Authority
JP
Japan
Prior art keywords
synchronization state
receiver
synchronization
state
utility
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
JP17611185U
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 JP17611185U priority Critical patent/JPS6284775U/ja
Publication of JPS6284775U publication Critical patent/JPS6284775U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Position Fixing By Use Of Radio Waves (AREA)

Description

【図面の簡単な説明】
第１図はＧＰＳ受信機の全体構成図、第２図は
同期復調回路の構成図、第３図は擬似距離取得の
処理フロー図、第４図は受信機の同期状態とカウ
ンタ値の関係を示す図である。 １……アンテナ、２……高周波アンプ、３〜６
……同期復調回路、７……マイコン、８……表示
部、９……キーボード、２００……同期復調回路
、２０……帯域通過フイルタ、２１……ＢＰＳＫ
復調回路、２２……ＶＣＯ、２３……ＰＮ符号同
期回路、２４……ＰＮ符号発生回路、２５……擬
似距離計測回路、２６……同期信号出力回路、２
８，２９……変調器。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ ＧＰＳ衛生信号受信手段と１つ以上の受信信
    号同期復調手段と制御及び演算処理手段と表示手
    段と入力手段より成るＧＰＳ受信機において、前
    記受信機の同期状態を一定間隔で観測し所定の時
    間だけ少なくとも３つ以上の衛星信号の同期状態
    が維持された場合を安定同期状態とみなし前記安
    定同期状態における擬似距離を測定し前記擬似距
    離を用いて測位計算を行うことを特徴とするＧＰ
    Ｓ受信機。 ２ 実用新案登録請求の範囲第１項において、受
    信機の同期状態が安定同期状態になつた場合同期
    状態の観測に同期して擬似距離を測定し測位計算
    を行うことを特徴とするＧＰＳ受信機。 ３ 実用新案登録請求の範囲第１項又は第２項に
    おいて、前記受信機が同期状態以外は測位計算を
    行わないことを特徴とするＧＰＳ受信機。
JP17611185U 1985-11-18 1985-11-18 Pending JPS6284775U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17611185U JPS6284775U (ja) 1985-11-18 1985-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17611185U JPS6284775U (ja) 1985-11-18 1985-11-18

Publications (1)

Publication Number Publication Date
JPS6284775U true JPS6284775U (ja) 1987-05-29

Family

ID=31116046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17611185U Pending JPS6284775U (ja) 1985-11-18 1985-11-18

Country Status (1)

Country Link
JP (1) JPS6284775U (ja)

Similar Documents

Publication Publication Date Title
Ershov Stable methods of estimating parameters/Survey
JPS6284775U (ja)
JPS5217754A (en) Multivibrator
FR2399038A1 (fr) Perfectionnement apporte a un systeme de navigation tacan pour en faire un instrument d'atterrissage de precision
JPS62148973U (ja)
JPS57119271A (en) Decca receiving device
JPS55131787A (en) Ultrasonic distance measuring system
JPS5937738Y2 (ja) 衛星航法装置
JPS5249541A (en) Alarm or indication system for vehicles
JPS53148393A (en) Positioning method
JPS535901A (en) Driving device of tuning indication meter
JPS52141551A (en) Fm demodulator of phase-shift multiplication type
JPS5386245A (en) Alarm clock
HERBERT OMEGA navigation system- A very low frequency radio aid to navigation
Thompson Small area population estimation using land use data derived from high altitude aircraft photography
JPS6410186A (en) Gps receiver control system
JPS5327341A (en) Cubing circuit
JPS53148313A (en) Demodulation system of auxiliary line in direct repeating radio unit
JPS53139902A (en) Tuning indication circuit
VOILEEV et al. Obtaining solutions to nonlinear difference equations near a fixed point
JPS5322779A (en) Measuring apparatus for sweating
JPS5313965A (en) Synchronism indicator
BARR An analysis of Loran and wind-measuring accuracies for application to field army use[Research and Development Technical Report]
JPS5370651A (en) Measuring unit for modulation degree
JPS52131767A (en) Frequency detector