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公开(公告)号：KR1020200127388A
公开(公告)日：2020-11-11
申请号：KR1020190051416
申请日：2019-05-02
Applicant: 재단법인대구경북과학기술원
Abstract: 생체 FMCW 레이더를위한생체심장박동파라미터추정장치및 그방법이개시된다. 심장박동파라미터추정방법은생체레이더가수신한생체수신신호의최적필터계수를검색하는단계; 상기최적필터계수와상기생체수신신호를결합하는단계; 및상기최적필터계수와결합된생체수신신호를이용하여사용자의심장박동파라미터를추정하는단계를포함할수 있다.
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公开(公告)号：KR102046061B1
公开(公告)日：2019-11-18
申请号：KR1020180038090
申请日：2018-04-02
Applicant: 재단법인대구경북과학기술원
IPC: G01S7/35 , G01S13/34 , G01S13/536
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公开(公告)号：KR1020160039132A
公开(公告)日：2016-04-08
申请号：KR1020140192585
申请日：2014-12-29
Applicant: 주식회사화신 , 재단법인대구경북과학기술원
IPC: G01S13/93 , G01S13/28 , G01S13/526
CPC classification number: G01S13/931 , G01S13/282 , G01S13/526 , G01S2013/9325
Abstract: 본발명은 RF 신호처리부로부터거리정보를포함한비트신호를입력받아필터링하는저역통과필터, 저역통과필터에의해필터링된비트신호의평균신호세기를측정하는평균신호세기측정부및 평균신호세기측정부에의해측정된평균신호세기를이용하여기 설정된설정거리이내에위치한타겟과의거리를추정하는제1거리추정기를포함하는것을특징으로한다.
Abstract translation: 为了精确地测量与目标的距离，根据本发明的装置包括：低通滤波器，其从RF信号处理部分接收包括距离信息的比特信号，并对比特信号进行滤波; 平均信号强度测量部分，其测量由低通滤波器滤波的比特信号的平均信号强度; 以及第一距离估计装置，其通过使用由平均信号强度测量部测量的平均信号强度来估计位于预定设定距离中的目标的距离。
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公开(公告)号：KR101603851B1
公开(公告)日：2016-03-15
申请号：KR1020140155162
申请日：2014-11-10
Applicant: 재단법인대구경북과학기술원
CPC classification number: H04B17/336 , G01S7/03 , H04B1/40
Abstract: 통신기능을가지는레이더장치및 방법이개시된다. 레이더장치를이용한통신방법은송신레이더신호및 통신신호에주파수대역을할당하는단계; 송신레이더신호의탐지영역에기초하여송신레이더신호의주파수대역및 통신신호의주파수대역을변경하는단계; 및변경된통신신호의주파수대역을이용하여통신을수행하는단계를포함할수 있다.
Abstract translation: 公开了具有通信功能的雷达装置和方法。 使用雷达装置的通信方法包括以下步骤：在发射雷达信号和通信信号中分配频带; 基于所述传输雷达信号的检测区域来改变所述传输雷达信号的频带和所述通信信号的频带; 以及通过使用改变的通信信号的频带来执行通信。
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公开(公告)号：KR1020140071201A
公开(公告)日：2014-06-11
申请号：KR1020120157542
申请日：2012-12-28
Applicant: 재단법인대구경북과학기술원
IPC: G01S13/08
Abstract: The present invention relates to a device and method for measuring a distance using a radar signal. The device for measuring a distance using a radar signal, according to an embodiment of the present invention, includes: a transmission signal generation unit for generating a radar transmission signal including a plurality of chirp signals; a reference signal generation unit for generating a reference signal by delaying the radar transmission signal in units of chirp signal; a signal combining unit for sequentially combining the radar transmission signal and the reference signal in units of chirp signal so as to generate a combined signal; a radar transmitting/receiving unit for radiating the combined signal to an object and for receiving a reflected laser reception signal; and a distance calculation unit for detecting a distance to the object using a frequency difference between the combined signal and the radar reception signal. The device for measuring a distance using radar, according to the embodiment of the present invention, uses the combined signal obtained by combining the radar transmission signal and the reference signal so that unnecessary external influences, i.e., influences of radar signals transmitted through other channels, can be minimized. Therefore, the distance to the object to be detected can be correctly measured.
Abstract translation: 本发明涉及一种使用雷达信号测量距离的装置和方法。 根据本发明的实施例的使用雷达信号测量距离的装置包括：发送信号生成单元，用于生成包括多个线性调频信号的雷达发送信号; 参考信号生成单元，用于通过以啁啾信号为单位延迟雷达传输信号来产生参考信号; 信号组合单元，用于以啁啾信号为单位顺序地组合雷达传输信号和参考信号，以便产生组合信号; 雷达发射/接收单元，用于将组合的信号辐射到物体并用于接收反射的激光接收信号; 以及距离计算单元，用于使用组合信号和雷达接收信号之间的频率差来检测到对象的距离。 根据本发明的实施例，使用雷达测量距离的装置使用通过组合雷达传输信号和参考信号而获得的组合信号，使得不必要的外部影响，即通过其他信道传输的雷达信号的影响， 可以最小化。 因此，可以正确地测量到被检测物体的距离。
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Patent Agency Ranking
公开(公告)号：KR101360663B1
公开(公告)日：2014-02-10
申请号：KR1020120105742
申请日：2012-09-24
Applicant: 재단법인대구경북과학기술원
IPC: G01S13/53
Abstract: The present invention relates to a high precision pulse Doppler radar and a method for detecting a target using the same. According to the present invention, provided is a method for detecting a target using a high precision pulse Doppler radar, including the steps of: transmitting a narrow band pulse signal to a target, and receiving the narrow band pulse signal reflected from the target; searching a range cell having a Doppler power equal to or over a threshold among total range cells constituting the received narrow band pulse signal; transmitting an ultrawide band pulse signal to the target and receiving the ultrawide band pulse signal reflected from the target; setting partial range cells corresponding to the position of the searched range cell among total range cells constituting the received ultrawide band pulse signal as an interested range cell; and estimating a distance or a speed of the target by using at least one range cell among the interested range cells in the received ultrawide band pulse signal. According to the high precision pulse Doppler radar and the method for searching a target using the same, a limited memory can be used efficiently and distance precision can be increased, according as the approximate position of the determined range cell is set as an interested range cell by using the narrow band pulse signal. [Reference numerals] (AA) START; (BB) END; (S310) Transmit narrow band pulse signal to target and receive reflected narrow band pulse signal; (S320) Search range cell having Doppler power equal to or above threshold among total range cells constituting received narrow band pulse signal; (S330) Store searched position value of range cell in position memory; (S340) Transmit ultrawide band pulse signal to target and receive reflected ultrawide band pulse signal; (S350) Set partial range cells corresponding to position of range cell stored in position memory among total range cells constituting received ultrawide band pulse signal as interested range cell; (S360) Store only range cell having highest Doppler power among interested range cells in received ultrawide band pulse signal; (S370) Estimate distance or speed of target using range cell stored in data memory
Abstract translation: 高精度脉冲多普勒雷达技术领域本发明涉及一种高精度脉冲多普勒雷达及其使用方法。 根据本发明，提供一种使用高精度脉冲多普勒雷达来检测目标的方法，包括以下步骤：向目标发送窄带脉冲信号，并接收从目标反射的窄带脉冲信号; 在构成所接收的窄带脉冲信号的总范围单元中搜索具有等于或超过阈值的多普勒功率的范围单元; 向目标发送超宽带脉冲信号并接收从目标反射的超宽带脉冲信号; 将构成所接收的超宽带脉冲信号的总范围单元中的搜索范围单元的位置的部分范围单元设置为感兴趣区域单元; 以及通过使用所接收的超宽带脉冲信号中的感兴趣范围单元中的至少一个范围单元来估计目标的距离或速度。 根据高精度脉冲多普勒雷达和使用其的目标的搜索方法，可以有效地使用有限的存储器并且可以增加距离精度，因为根据确定的范围单元的大致位置被设置为感兴趣的距离单元 通过使用窄带脉冲信号。 （附图标记）（AA）START; （BB）END; （S310）将窄带脉冲信号发送到目标并接收反射窄带脉冲信号; （S320）构成接收窄带脉冲信号的全范围单元中具有等于或大于阈值的多普勒功率的搜索范围单元; （S330）将搜索到的距离单元的位置值存储在位置存储器中; （S340）将超宽带脉冲信号发送到目标并接收反射超宽带脉冲信号; （S350）将构成接收的超宽带脉冲信号的全范围单元中存储在位置存储器中的范围单元的位置的部分范围单元设置为感兴趣范围单元; （S360）仅在接收的超宽带脉冲信号中存储感兴趣的范围单元中具有最高多普勒功率的范围单元; （S370）使用存储在数据存储器中的范围单元估计目标的距离或速度
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公开(公告)号：KR101163074B1
公开(公告)日：2012-07-05
申请号：KR1020100104500
申请日：2010-10-26
Applicant: 재단법인대구경북과학기술원
IPC: G01S13/53
Abstract: 펄스 도플러 레이더를 이용하여 이동 물체의 거리 및 속도를 측정하기 위한 장치 및 방법이 제공된다. 본 발명에 의한 장치는, 거리 추출용 펄스 및 속도 추출용 펄스를 물체를 향하여 송신하고 물체에서 반사된 거리 추출용 펄스 및 속도 추출용 펄스를 수신하는 레이더 송수신부, 거리 추출용 펄스가 수신되면 활성화되어, 클러터(clutter)로부터 반사된 신호 및 이동 물체로부터 반사된 신호를 판별하여 이동 물체와 상응하는 거리 셀로부터 이동 물체의 거리를 검출하는 거리 검출부, 속도 추출용 펄스가 수신되면 활성화되어, 이동 물체에 상응하는 거리 셀을 각 펄스 반복 간격(pulse repetition interval, PRI)마다 저장한 결과를 행 방향으로 주파수 변환하여 이동 물체의 속도를 검출하는 속도 검출부, 및 수신되는 펄스의 종류에 따라서 거리 검출부 및 속도 검출부를 선택적으로 활성화시키는 스위치를 포함한다. 본 발명은 이동 물체에 관련된 셀들만 이용해서 타겟의 속도를 추출한다. 본 발명의 검출 성능은 93.5%이고, 본 발명은 종래 기술에 비하여 66.2%만큼 하드웨어 복잡도를 줄일 수 있다.
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公开(公告)号：KR1020120043281A
公开(公告)日：2012-05-04
申请号：KR1020100104500
申请日：2010-10-26
Applicant: 재단법인대구경북과학기술원
IPC: G01S13/53
Abstract: PURPOSE: An apparatus and method for measuring the distance and velocity of a moving object are provided to reduce the size of a necessary memory. CONSTITUTION: An apparatus for measuring the distance and velocity of a moving object comprises a radar transceiver(210), a distance detector(230), a speed detector(250), and a switch(270). The radar transceiver transmits a pulse for distance extraction and a pulse for speed extraction toward an object and receives the pulse for distance extraction and pulse for speed extraction reflected from the object. The distance detector detects the distance of the moving object. The speed detector detects the speed of the moving object. According to the kind of the pulse, the switch selectively activates the distance detector and speed detector.
Abstract translation: 目的：提供一种用于测量移动物体的距离和速度的装置和方法，以减小所需存储器的尺寸。 构成：用于测量移动物体的距离和速度的装置包括雷达收发器（210），距离检测器（230），速度检测器（250）和开关（270）。 雷达收发器发送用于距离提取的脉冲和用于朝向对象的速度提取的脉冲，并且接收用于距离提取的脉冲和用于从对象反射的速度提取的脉冲。 距离检测器检测移动物体的距离。 速度检测器检测移动物体的速度。 根据脉冲的种类，开关选择性地激活距离检测器和速度检测器。
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公开(公告)号：KR101010522B1
公开(公告)日：2011-01-24
申请号：KR1020090068826
申请日：2009-07-28
Applicant: 재단법인대구경북과학기술원
CPC classification number: H04B1/707 , G01S13/04 , G01S13/931
Abstract: PURPOSE: A communication/radar integration method and an apparatus thereof for reducing a manufacturing cost of a system are provided to integrate a radar function and a communication function. CONSTITUTION: A communication management unit(120) generates diffusion transmission data by diffusing transmission data. A radar management unit(130) receives information about whether to use the radar function. The radar management unit multiplies one code in a second code group with the radar signal. The radar management unit generates a diffusion radar signal after diffusing a radar signal. A transmission unit(140) transmits the diffusion transmission data or the diffusion radar signal.
Abstract translation: 目的：提供一种用于降低系统制造成本的通信/雷达集成方法及其装置，用于集成雷达功能和通信功能。 构成：通信管理单元（120）通过扩散发送数据来生成扩散发送数据。 雷达管理单元（130）接收关于是否使用雷达功能的信息。 雷达管理单元将第二代码组中的一个代码与雷达信号相乘。 雷达管理单元在扩散雷达信号后产生扩散雷达信号。 发送单元（140）发送扩散发送数据或扩散雷达信号。
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公开(公告)号：KR1020090067990A
公开(公告)日：2009-06-25
申请号：KR1020070135835
申请日：2007-12-21
Applicant: 재단법인대구경북과학기술원
IPC: G01S13/08
Abstract: A method for driving an ultra broadband radar system for a vehicle and the ultra broadband radar system for the vehicle are provided to transmit a radar transmission pulse to each object without the collision of the pulse in a multiple user mode by generating a unique radar transmission pulse of a moving object by applying an orthogonal code based a code length allocated in the moving object. A unique radar transmission pulse of a moving object is generated based on a code length allocated to the moving object(S710). The generated radar transmission pulse is outputted to an external object(S720). The radar reflection pulse corresponding to the radar transmission pulse outputted from the object is received(S730). The separation distance between the moving body and the object is calculated in consideration of the average change of the received radar reflection pulse(S740).
Abstract translation: 提供一种用于驾驶用于车辆的超宽带雷达系统和用于车辆的超宽带雷达系统的方法，用于通过生成唯一的雷达传输脉冲将雷达传输脉冲发送到每个物体，而不会以多用户模式的脉冲发生冲突 通过基于分配在移动对象中的代码长度应用正交码来生成移动对象。 基于分配给运动对象的代码长度来生成运动对象的唯一的雷达传输脉冲（S710）。 产生的雷达传输脉冲被输出到外部物体（S720）。 接收对应于从物体输出的雷达传输脉冲的雷达反射脉冲（S730）。 考虑到接收到的雷达反射脉冲的平均变化来计算移动体和物体之间的分离距离（S740）。
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