JPS639625B2 - - Google Patents
Info
- Publication number
- JPS639625B2 JPS639625B2 JP5121981A JP5121981A JPS639625B2 JP S639625 B2 JPS639625 B2 JP S639625B2 JP 5121981 A JP5121981 A JP 5121981A JP 5121981 A JP5121981 A JP 5121981A JP S639625 B2 JPS639625 B2 JP S639625B2
- Authority
- JP
- Japan
- Prior art keywords
- sweep
- signal
- frequency
- local oscillator
- output
- 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
- 238000012360 testing method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/173—Wobbulating devices similar to swept panoramic receivers
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5121981A JPS57166564A (en) | 1981-04-07 | 1981-04-07 | Waveform analyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5121981A JPS57166564A (en) | 1981-04-07 | 1981-04-07 | Waveform analyzer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57166564A JPS57166564A (en) | 1982-10-14 |
JPS639625B2 true JPS639625B2 (enrdf_load_stackoverflow) | 1988-03-01 |
Family
ID=12880809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5121981A Granted JPS57166564A (en) | 1981-04-07 | 1981-04-07 | Waveform analyzer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57166564A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6488376A (en) * | 1987-09-30 | 1989-04-03 | Hewlett Packard Yokogawa | Sweep measuring instrument |
JP2887394B2 (ja) * | 1989-06-30 | 1999-04-26 | アンリツ株式会社 | ネットワークアナライザ |
JP5555208B2 (ja) * | 2011-07-15 | 2014-07-23 | 日本電信電話株式会社 | 受信システム |
-
1981
- 1981-04-07 JP JP5121981A patent/JPS57166564A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57166564A (en) | 1982-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0439157B1 (en) | Waveform analyzer having function of simultaneously displaying wide- and narrow-band spectra of transmission characteristics | |
EP0664459B1 (en) | Waveform display apparatus for easily realizing high-definition waveform observation | |
US4122488A (en) | Sync signal generator with memorization of phase detection output | |
US3968427A (en) | Group delay measurement apparatus and method | |
JPH05196684A (ja) | 周波数領域リフレクトメトリ測定器 | |
WO2007132660A1 (ja) | 周波数成分測定装置 | |
US6608475B2 (en) | Network analyzer using time sequenced measurements | |
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 | |
JPS639625B2 (enrdf_load_stackoverflow) | ||
US4138645A (en) | Wideband signal calibration system | |
JPH04249776A (ja) | 計器の中間周波数応答特性を得る方法 | |
US6445327B1 (en) | Signal analyzing apparatus | |
US4721997A (en) | Signal to noise ratio measurement by sampling noise outside carrier frequency | |
JPH08233875A (ja) | イメージ周波数除去装置及びこれを用いたスペクトラムアナライザ | |
EP0293883B1 (en) | Group delay time measurement apparatus with automatic aperture value setting function | |
EP0217967B1 (en) | Heterodyne-type method and apparatus for measuring signals, having means for automatically correcting the detuning | |
JPH07209352A (ja) | スペクトラム・アナライザ | |
JP2849787B2 (ja) | 受信装置及びその自動校正方法。 | |
US4924300A (en) | Method of and device for tuning a resonant circuit coupled to a frequency discriminator | |
JP3127017B2 (ja) | 周波数分析装置 | |
US3965424A (en) | Method and apparatus for tracking an incrementally sweeping generator by a frequency selective receiver | |
JP2909688B2 (ja) | 波形解析装置 | |
JPS6358172A (ja) | 培養された菌株による農作物へのうどん粉病の蔓延・感染の制御方法 | |
KR100497437B1 (ko) | 스펙트럼 분석장치 | |
SU640452A1 (ru) | Устройство дл приема дополнительной информации передаваемой совместно с телевизионным сигналом |