[go: up one dir, main page]

DE19680108T1 - Funkausbreitungs-Simulationsverfahren, Wellen-Feldstärken-Ableitungsverfahren und dreidimensionales Verzögerungssteuerungs-Ableitungsverfahren - Google Patents

Funkausbreitungs-Simulationsverfahren, Wellen-Feldstärken-Ableitungsverfahren und dreidimensionales Verzögerungssteuerungs-Ableitungsverfahren

Info

Publication number
DE19680108T1
DE19680108T1 DE19680108T DE19680108T DE19680108T1 DE 19680108 T1 DE19680108 T1 DE 19680108T1 DE 19680108 T DE19680108 T DE 19680108T DE 19680108 T DE19680108 T DE 19680108T DE 19680108 T1 DE19680108 T1 DE 19680108T1
Authority
DE
Germany
Prior art keywords
derivation method
field strength
delay control
wave field
radio propagation
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.)
Ceased
Application number
DE19680108T
Other languages
English (en)
Inventor
Hitoshi Kitayoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advantest Corp
Original Assignee
Advantest Corp
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
Priority claimed from JP00849695A external-priority patent/JP3570571B2/ja
Priority claimed from JP00849795A external-priority patent/JP3570572B2/ja
Priority claimed from JP849595A external-priority patent/JPH08204590A/ja
Application filed by Advantest Corp filed Critical Advantest Corp
Publication of DE19680108T1 publication Critical patent/DE19680108T1/de
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
DE19680108T 1995-01-23 1996-01-23 Funkausbreitungs-Simulationsverfahren, Wellen-Feldstärken-Ableitungsverfahren und dreidimensionales Verzögerungssteuerungs-Ableitungsverfahren Ceased DE19680108T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP00849695A JP3570571B2 (ja) 1995-01-23 1995-01-23 波動場強度推定方法
JP00849795A JP3570572B2 (ja) 1995-01-23 1995-01-23 3次元遅延分散推定方法
JP849595A JPH08204590A (ja) 1995-01-23 1995-01-23 電波伝搬シミュレート方法
PCT/JP1996/000110 WO1996023363A1 (en) 1995-01-23 1996-01-23 Method for simulating radio wave propagation, method for estimating intensity of wave field, and method for estimating three-dimensional delay dispersion

Publications (1)

Publication Number Publication Date
DE19680108T1 true DE19680108T1 (de) 1997-05-22

Family

ID=27278047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19680108T Ceased DE19680108T1 (de) 1995-01-23 1996-01-23 Funkausbreitungs-Simulationsverfahren, Wellen-Feldstärken-Ableitungsverfahren und dreidimensionales Verzögerungssteuerungs-Ableitungsverfahren

Country Status (3)

Country Link
US (1) US5752167A (de)
DE (1) DE19680108T1 (de)
WO (1) WO1996023363A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907578A (en) * 1996-05-20 1999-05-25 Trimble Navigation Weighted carrier phase multipath reduction
JP3929152B2 (ja) * 1997-01-08 2007-06-13 株式会社ジオトップ 配列y(i)をコンピュータによる数値計算で計算する方法及びプログラムを記載した記録媒体
IL123364A (en) * 1997-02-20 2003-07-06 Advantest Corp Hologram observation method for three-dimensional wave source distribution, and stereoscopic directivity estimation method of antenna and wave distribution observation method based on hologram observation
AT412030B (de) * 2000-04-07 2004-08-26 Riegl Laser Measurement Sys Verfahren zur aufnahme eines objektraumes
JP4075663B2 (ja) * 2003-03-31 2008-04-16 日本電気株式会社 電波伝搬特性推定システム及びその方法並びにプログラム
US20050059355A1 (en) * 2003-09-17 2005-03-17 Accton Technology Corporation System and method for multi-path simulation
WO2005088868A1 (ja) * 2004-03-17 2005-09-22 Nec Corporation 電波伝搬特性推定システム及びその方法並びにプログラム
JP4726111B2 (ja) * 2005-03-31 2011-07-20 総務大臣 電波ホログラフィ電波源探査装置
JP4723916B2 (ja) * 2005-06-03 2011-07-13 株式会社東芝 電波発生源可視化装置及び電波発生源可視化方法
JP4805610B2 (ja) * 2005-06-03 2011-11-02 株式会社東芝 電波発生源可視化装置及び電波発生源可視化方法
JP2007212228A (ja) * 2006-02-08 2007-08-23 Ministry Of Public Management Home Affairs Posts & Telecommunications 電波発射源可視化装置及びその方法
JP4457222B2 (ja) * 2006-11-14 2010-04-28 独立行政法人情報通信研究機構 チャネル特性解析装置及び方法
DE102008018385A1 (de) * 2008-04-11 2009-10-15 Rohde & Schwarz Gmbh & Co. Kg Testgerät zum Testen der Übertragungsqualität eines Funkgeräts
WO2010067560A1 (ja) * 2008-12-09 2010-06-17 日本電気株式会社 電波環境データ補正システム、方法およびプログラム
US8165850B2 (en) * 2008-12-18 2012-04-24 Nokia Corporation Determining the direction of a signal source
CN102589676B (zh) * 2011-12-21 2015-08-12 中山大学 一种基于室内空间剖分的声线追踪方法
CN102590642A (zh) * 2012-02-29 2012-07-18 北京无线电计量测试研究所 瞬变电磁场的场均匀性的校准方法及系统
US10061880B2 (en) 2013-04-05 2018-08-28 The United States Of America, As Represented By The Secretary Of The Navy Multi agent radio frequency propagation simulator
US20150296386A1 (en) * 2014-04-15 2015-10-15 Eden Rock Communications, Llc System and method for spectrum sharing
US11360190B2 (en) * 2019-04-20 2022-06-14 The United States Of America, As Represented By The Secretary Of The Navy Hardware in the loop simulation and test system that includes a phased array antenna simulation system providing dynamic range and angle of arrival signals simulation for input into a device under test (DUT) that includes a phased array signal processing system along with related methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381444A (en) * 1991-10-31 1995-01-10 Fujitsu Limited Radio environment measuring system
JP3427940B2 (ja) * 1992-11-20 2003-07-22 株式会社アドバンテスト ホログラム観測装置
JPH07170225A (ja) * 1993-12-15 1995-07-04 Fujitsu Ltd 無線通信システム
EP0977052B1 (de) * 1994-01-12 2002-10-02 Advantest Corporation Berührungslose Beobachtungsvorrichtung von Wellensignalen
US5623429A (en) * 1994-04-06 1997-04-22 Lucent Technologies Inc. Techniques for expeditiously predicting electromagnetic wave propagation

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
KITAYOSHI, H. et al. "Two-tone CW Complex Holographic Radar Imaging" in IEEE AP-S International Symposium Digest, Band 3, Juni 1993, S. 1914-1917 *
KITAYOSHI, H., "Imaging of Indoor Multipath Radio Propagation for 18-Ghz Band Wireless LAN-Systems: Applied Radio Holography" in IEEE VTC Proceedings, Band 2, Juni 1994, S. 896-900 *
MCKOWN, John W., HAMILTON Jr., R. Lee, "Ray Tracing as a Design Tool for Radio Networks" in: IEEE Network Magazine, Nov. 1991, S. 27-30 *
TITUS Lo, John Letiva, Henry Leung, "A New Approach for Estimating Indoor Radio Propagation Characterictics" in IEEE Transactions on Antennas and Propagation, Vol. 42, No. 10, Oct. 1994, S. 1369-1376 *

Also Published As

Publication number Publication date
US5752167A (en) 1998-05-12
WO1996023363A1 (en) 1996-08-01

Similar Documents

Publication Publication Date Title
DE19680108T1 (de) Funkausbreitungs-Simulationsverfahren, Wellen-Feldstärken-Ableitungsverfahren und dreidimensionales Verzögerungssteuerungs-Ableitungsverfahren
KR19980703407A (ko) 발포 중합체 및 이를 제조하는 방법
NL194776B (nl) Plantenvermeerderingsinrichting en werkwijze.
FI953902A7 (fi) Menetelmä lähetystehon säätämiseksi yhteydenmuodostuksen aikana sekä solukkoradiojärjestelmä
ID27614A (id) Metode dan radas untuk terapi gelombang
DE69832002D1 (de) Übertragungssystem und Übertragungsverfahren,Empfangssystem und Empfangsverfahren
AU7956498A (en) Infant simulation device and method therefor
AU2513195A (en) Superabsorbent foams, and method for producing the same
FI960276L (fi) Menetelmä lähetystehon säätämiseksi sekä radiojärjestelmä
IS4940A (is) Erýtrómýsín og aðferð við að framleiða þau
AU2002257178A1 (en) Simulation system and method
EP0609555A3 (de) Frequenzselektives Verfahren und Vorrichtung.
IT1296867B1 (it) Metodo ed apparato per fornire ritardi variabili dinamicamente per formatore di fasci di ultrasuoni
AU5175600A (en) An improved simulation method and apparatus
DE69607164D1 (de) Schalldämpfungsverfahren und schalldämmelement dafür
AU2002307790A1 (en) Combat simulation system and method
AU6762998A (en) Combat simulation method and system
DE69621429D1 (de) Mikrowellenofen und steuerungsverfahren dafür
DE69529434D1 (de) Funkgerät und entsprechendes Übertragungsverfahren
GB9510910D0 (en) Clipping processing device, three-dimensional simulator device, and clipping processing method
DE69936019D1 (de) CDMA-Funkübertragungssystem und -verfahren
DE68921228D1 (de) Mobiles Kommunikationssystem und dessen Steuerungsverfahren.
FI921446L (fi) Radiokanavan häipymissimulaattori ja menetelmä häipymisen simuloimiseksi
FI944395L (fi) Menetelmä lähetystehon säätämiseksi ja solukkoradiojärjestelmä
DE69942517D1 (de) Übertragungssystem, -verfahren und Übertragungs-/Empfangssystem

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8607 Notification of search results after publication
8172 Supplementary division/partition in:

Ref document number: 19655270

Country of ref document: DE

Kind code of ref document: P

Q171 Divided out to:

Ref document number: 19655270

Country of ref document: DE

Kind code of ref document: P

8131 Rejection