JPH0228935B2 - - Google Patents
Info
- Publication number
- JPH0228935B2 JPH0228935B2 JP60078756A JP7875685A JPH0228935B2 JP H0228935 B2 JPH0228935 B2 JP H0228935B2 JP 60078756 A JP60078756 A JP 60078756A JP 7875685 A JP7875685 A JP 7875685A JP H0228935 B2 JPH0228935 B2 JP H0228935B2
- Authority
- JP
- Japan
- Prior art keywords
- channel
- frequency
- phase
- signal
- phase difference
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 30
- 238000012937 correction Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
- Filters And Equalizers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60078756A JPS61237537A (ja) | 1985-04-13 | 1985-04-13 | 位相測定用受信装置 |
US07/002,692 US4710702A (en) | 1985-04-13 | 1986-04-14 | Heterodyne type signal-measuring method and a measuring apparatus including automatic detuning correction means |
DE8686902488T DE3687559T2 (de) | 1985-04-13 | 1986-04-14 | Vorrichtung und geraet zur signalmessung nach der frequenzueberlagerungsmethode mit mitteln zur automatischen korrektur der verstimmung. |
PCT/JP1986/000183 WO1986006174A1 (en) | 1985-04-13 | 1986-04-14 | Heterodyne-type method and apparatus for measuring signals, having means for automatically correcting the detuning |
EP86902488A EP0217967B1 (de) | 1985-04-13 | 1986-04-14 | Vorrichtung und gerät zur signalmessung nach der frequenzüberlagerungsmethode mit mitteln zur automatischen korrektur der verstimmung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60078756A JPS61237537A (ja) | 1985-04-13 | 1985-04-13 | 位相測定用受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61237537A JPS61237537A (ja) | 1986-10-22 |
JPH0228935B2 true JPH0228935B2 (de) | 1990-06-27 |
Family
ID=13670741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60078756A Granted JPS61237537A (ja) | 1985-04-13 | 1985-04-13 | 位相測定用受信装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61237537A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2009081780A1 (ja) * | 2007-12-20 | 2011-05-06 | 株式会社アドバンテスト | 周波数特性測定装置 |
JP5538200B2 (ja) * | 2010-12-13 | 2014-07-02 | 三菱電機株式会社 | フィルタ装置および通過帯域特性調整方法 |
-
1985
- 1985-04-13 JP JP60078756A patent/JPS61237537A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61237537A (ja) | 1986-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5361407A (en) | Double superheterodyne receiver with independent frequency calibration of two local oscillators | |
US7868607B2 (en) | Test method for frequency converters with embedded local oscillators | |
WO1992008990A1 (en) | Inexpensive portable rf spectrum analyzer with calibration features | |
US11041884B2 (en) | Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing | |
JPH0476434B2 (de) | ||
JPH02305025A (ja) | 電圧制御発振器の出力周波数を直線化するための制御回路および方法 | |
US4138645A (en) | Wideband signal calibration system | |
US20030038618A1 (en) | Network analyzer using time sequenced measurements | |
US4710702A (en) | Heterodyne type signal-measuring method and a measuring apparatus including automatic detuning correction means | |
US4864218A (en) | Method of compensating for frequency errors in noise power meters | |
JPH0228935B2 (de) | ||
US2777953A (en) | System for calibrating oscillators | |
JPH0228934B2 (de) | ||
JP3078305B2 (ja) | 高調波次数決定方法 | |
US4138646A (en) | Wideband absolute calibration system | |
JP3323293B2 (ja) | スペクトラムアナライザのトラッキングエラー自動補正回路 | |
JPH0493775A (ja) | 受信周波数測定装置 | |
JP2849787B2 (ja) | 受信装置及びその自動校正方法。 | |
SU1661682A1 (ru) | Устройство дл измерени амплитудно-частотных и фазочастотных характеристик четырехполюсников с преобразователем частоты | |
JP2896401B2 (ja) | 広帯域電力計 | |
GB2236026A (en) | Swept frequency signal generating circuit | |
JPH0611481Y2 (ja) | スペクトラムアナライザ | |
JPS62195576A (ja) | インピ−ダンス・メ−タの較正方法 | |
JPH0145185Y2 (de) | ||
SU1725180A2 (ru) | Измеритель группового времени запаздывани |