JPH0319508B2 - - Google Patents
Info
- Publication number
- JPH0319508B2 JPH0319508B2 JP643784A JP643784A JPH0319508B2 JP H0319508 B2 JPH0319508 B2 JP H0319508B2 JP 643784 A JP643784 A JP 643784A JP 643784 A JP643784 A JP 643784A JP H0319508 B2 JPH0319508 B2 JP H0319508B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- phase
- output
- slave station
- 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.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000010354 integration Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/306—Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP643784A JPS60149981A (ja) | 1984-01-17 | 1984-01-17 | デツカ航法受信機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP643784A JPS60149981A (ja) | 1984-01-17 | 1984-01-17 | デツカ航法受信機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149981A JPS60149981A (ja) | 1985-08-07 |
| JPH0319508B2 true JPH0319508B2 (enrdf_load_html_response) | 1991-03-15 |
Family
ID=11638372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP643784A Granted JPS60149981A (ja) | 1984-01-17 | 1984-01-17 | デツカ航法受信機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149981A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5208408B2 (ja) * | 2006-12-15 | 2013-06-12 | 三菱電機株式会社 | 相対位置推定システム |
-
1984
- 1984-01-17 JP JP643784A patent/JPS60149981A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60149981A (ja) | 1985-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6232595B1 (en) | Position detecting apparatus | |
| GB1575148A (en) | Electrical energy meters | |
| US4368470A (en) | Radio direction finder | |
| JPH0319508B2 (enrdf_load_html_response) | ||
| JPH11211762A (ja) | 双方向電力量計量方法および装置 | |
| JP2001272447A (ja) | 無線方位測定装置 | |
| US3831010A (en) | Area navigation computer | |
| EP0471307A2 (en) | Advanced clock measurement system | |
| US6590377B2 (en) | Narrow band frequency detection circuit | |
| JPH0137705B2 (enrdf_load_html_response) | ||
| JPS63256881A (ja) | 音響測位装置の送受信装置 | |
| JPH04232477A (ja) | 小さい位相差の測定のための方法および回路装置 | |
| JPH0526150B2 (enrdf_load_html_response) | ||
| SU1709233A1 (ru) | Цифровой фазометр среднего сдвига фаз между сигналами с известным частотным сдвигом | |
| RU1768979C (ru) | Радиоинтерферометрическое устройство дл определени относительных координат космических аппаратов | |
| US3573636A (en) | Multiplicative processing phase detector | |
| SU1081564A1 (ru) | Калибратор фазовых сдвигов | |
| JPH0117545B2 (enrdf_load_html_response) | ||
| SU840815A2 (ru) | Устройство дл измерени амплитудныхи фАзОВыХ чАСТОТНыХ ХАРАКТЕРиСТиКСиСТЕМ АВТОМАТичЕСКОгО упРАВлЕНи | |
| JPH0349075B2 (enrdf_load_html_response) | ||
| SU1675785A1 (ru) | Измеритель среднего направлени течени | |
| JP2002243779A (ja) | ディジタルｉｆｍ装置 | |
| SU808967A1 (ru) | Цифровой автокомпенсационныйфАзОМЕТР | |
| JPS631255Y2 (enrdf_load_html_response) | ||
| SU855532A1 (ru) | Цифровой фазометр |