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1. (WO2018105216) SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM
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Pub. No.: WO/2018/105216 International Application No.: PCT/JP2017/036104
Publication Date: 14.06.2018 International Filing Date: 04.10.2017
IPC:
G01S 13/08 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
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
13
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06
Systems determining position data of a target
08
Systems for measuring distance only
Applicants:
日本電気株式会社 NEC CORPORATION [JP/JP]; 東京都港区芝五丁目7番1号 7-1, Shiba 5-chome, Minato-ku, Tokyo 1088001, JP
Inventors:
宝珠山 治 HOSHUYAMA Osamu; JP
工藤 健太郎 KUDOU Kentarou; JP
池田 昇平 IKEDA Shohei; JP
Agent:
加藤 卓士 KATO Takashi; JP
Priority Data:
2016-23824308.12.2016JP
2017-06824430.03.2017JP
Title (EN) SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM
(FR) DISPOSITIF DE TRAITEMENT DE SIGNAL, PROCÉDÉ DE TRAITEMENT DE SIGNAL ET PROGRAMME DE TRAITEMENT DE SIGNAL
(JA) 信号処理装置、信号処理方法および信号処理プログラム
Abstract:
(EN) The present invention relates to a signal processing device for accurately detecting a moving object without being influenced by the speed of the moving object. This signal processing device is provided with: at least two cross-correlation calculation units for calculating cross-correlation functions for the waveform of a reflection signal obtained through the reflection, by an object, of a transmission signal having a varying frequency and different correlation waveforms generated from the waveform of the transmission signal; a combination unit for combining the at least two cross-correlation functions from the at least two cross-correlation calculation units so as not to be separated in the frequency shift direction; and a detection unit for detecting the object on the basis of the cross-correlation function resulting from the combination.
(FR) La présente invention concerne un dispositif de traitement de signal permettant de détecter avec précision un objet mobile sans être influencé par la vitesse de l'objet mobile. Ledit dispositif de traitement de signal comprend : au moins deux unités de calcul de corrélation croisée permettant de calculer des fonctions de corrélation croisée pour la forme d'onde d'un signal de réflexion obtenu par la réflexion, par un objet, d'un signal d'émission possédant une fréquence variable et différentes formes d'onde de corrélation générées à partir de la forme d'onde du signal d'émission ; une unité de combinaison permettant de combiner lesdites fonctions de corrélation croisée à partir desdites unités de calcul de corrélation croisée de façon à ne pas être séparées dans la direction de décalage de fréquence ; et une unité de détection permettant de détecter l'objet en fonction de la fonction de corrélation croisée résultant de la combinaison.
(JA) 本発明は、移動物体の速度に影響されず、正確に移動物体を検出する信号処理装置に関するものである。本信号処理装置は、周波数が変化する送信信号が対象物体で反射されたことにより得られる反射信号の波形と、送信信号の波形から生成した異なる相関波形との相互相関関数をそれぞれ計算する、少なくとも2つの相互相関計算部と、少なくとも2つの相互相関計算部からの少なくとも2つの相互相関関数を、周波数偏移方向に離間しないように合成する合成部と、合成結果の相互相関関数に基づいて、前記対象物体を検出する検出部と、を備える。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)