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公开(公告)号：EP0186496A2
公开(公告)日：1986-07-02
申请号：EP85309418.3
申请日：1985-12-23
CPC分类号： H01Q25/001 , H01Q19/132
摘要： An antenna system comprises a reflector which is a part of a paraboloid of revolution or parabolic cylinder, a primary radiator for clockwise circulatory polarized wave, and a primary radiator for counterclockwise circularly polarized wave. The reflector is of geometrically asymmetrical shape to effect different reflection properties for clockwise and counterclockwise circular polarizations. The primary radiators are fixed at two different positions in the vicinity of the focus of the paraboloid reflector.
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2.发明授权Spread spectrum signal receiving method and apparatus for CDMA cellular communication 有权CDMA蜂窝通信的扩频信号接收方法和装置
公开(公告)号：EP1022864B1
公开(公告)日：2009-08-05
申请号：EP99126216.3
申请日：1999-12-30
发明人： Yamamoto, Hirohiko
CPC分类号： H04B1/7093
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公开(公告)号：EP0247612B1
公开(公告)日：1993-08-04
申请号：EP87107754.1
申请日：1987-05-27
CPC分类号： G01S13/765 , G01S13/78 , G01S13/825 , G06K7/0008 , G06K19/0723 , G07C3/00 , G07C9/00111
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4.发明公开Spread spectrum signal receiving method and apparatus for CDMA cellular communication 有权CDMA蜂窝通信的扩频信号接收方法和装置
公开(公告)号：EP1022864A3
公开(公告)日：2003-01-22
申请号：EP99126216.3
申请日：1999-12-30
发明人： Yamamoto, Hirohiko
CPC分类号： H04B1/7093
摘要： An improved filter for use in a CDMA receiver having an RF front end (12) for splitting a received signal (32) into I and Q components (36, 38), A/D converters (14a, 14b) for converting the I and Q components (36, 38) into I and Q digital components (36D, 38D), a control processor (26) for controlling the receiver, a system clock and a power supply, the improved filter including a matched filtering mechanism (60, 100, 120), wherein each filter includes: a separation mechanism to separate a digital I signal (36D) and a digital Q signal (38D) into MSB and LSB signal components (36DM, 36DL); a MSB sub-portion (62) having multiple MSB delay elements (66, 68, 70, 72, 74), a multiplier (76) associated with each delay element (66, 68, 70, 72, 74), and a MSB adder (78) for processing said MSB signal components; a LSB sub-portion (64) having multiple LSB delay elements (80, 82, 84, 86, 88), a multiplier (90) associated with each delay element (80, 82, 84, 86, 88), and a LSB adder (92) for processing said LSB signal components, wherein said LSB sub-portion (64) has fewer delay elements than said MSB sub-portion (62); a third adder (96) for adding said processed MSB and LSB signal components (36DM, 36DL) to provide a filter output; and a half clock generator (94) for supplying a half-clock signal to said LSB portion. A method of filtering a digital signal in a CDMA receiver includes dividing a digitized signal into MSB and LSB components; processing the MSB components with a first predetermined number of delay and multiplication operatives (76); and processing the LSB components with a second predetermined number of delay and multiplication operative (90), wherein the second predetermined number is less than the first predetermined number.
摘要翻译： 一种改进的滤波器，用于具有用于将接收信号（32）分成I和Q分量（36,38）的RF前端（12）的CDMA接收机，A / D转换器（14a，14b） Q组件（36,38）分成I和Q数字组件（36D，38D），用于控制接收器的控制处理器（26），系统时钟和电源，改进的滤波器包括匹配滤波机构（60,100 ，120），其中每个滤波器包括：将数字I信号（36D）和数字Q信号（38D）分离为MSB和LSB信号分量（36DM，36DL）的分离机构; 具有多个MSB延迟元件（66,68,70,72,74）的MSB子部分（62），与每个延迟元件（66,68,70,72,74）相关联的乘法器（76）以及MSB 加法器（78），用于处理所述MSB信号分量; 具有多个LSB延迟元件（80,82,84,86,88）的LSB子部分（64），与每个延迟元件（80,82,84,86,88）相关联的乘法器（90）以及LSB 加法器（92），用于处理所述LSB信号分量，其中所述LSB子部分（64）具有比所述MSB子部分（62）更少的延迟元件; 第三加法器（96），用于将所述经处理的MSB和LSB信号分量（36DM，36DL）相加以提供滤波器输出; 和半时钟发生器（94），用于向所述LSB部分提供半时钟信号。 一种在CDMA接收机中滤波数字信号的方法包括将数字化信号分成MSB和LSB分量; 用第一预定数量的延迟和乘法操作符（76）处理MSB分量; 和用第二预定数量的延迟和乘法处理LSB分量（90），其中第二预定数量小于第一预定数量。
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公开(公告)号：EP0989687A3
公开(公告)日：2000-11-08
申请号：EP99118633.9
申请日：1999-09-21
CPC分类号： H04B1/7115 , H04B1/7117
摘要： A wideband receiver automatic frequency control (AFC) system which combines multipath or diverse antenna signals, before the carrier frequency error is determined, is provided herein. Rather than independently calculating the frequency error of each transmission path, frequency error is calculated after the multipath signals are summed together. Thus, only a single frequency detector circuit is required. The resulting automatic frequency control system has the accuracy of a system which combines the independently calculated frequency errors, with fewer steps of computation required. A method for combining multipath signals to calculate an average AFC frequency error is also provided.
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公开(公告)号：EP0247612A2
公开(公告)日：1987-12-02
申请号：EP87107754.1
申请日：1987-05-27
CPC分类号： G01S13/765 , G01S13/78 , G01S13/825 , G06K7/0008 , G06K19/0723 , G07C3/00 , G07C9/00111
摘要： A microwave data transmission apparatus adapted to transmit and receive information by microwaves, which the identification tag is made smaller in size and lighter in weight to considerably improve the convenience in setting operation for use in many applications, can be applied for the production control within the factory or the control for entering and leaving the room by a person having an identification |tag.
摘要翻译： 一种具有询问器的微波数据传输装置，具有用于发送具有调制周期和非调制周期的微波信号的发送装置和接收微波信号的接收装置，以及具有检测微波的发送装置的识别标签 从询问器发送的信号，用于在微波信号的非调制周期期间基于存储器部分的数据相对于载波的调制，以便相对于询问器在调制之后传送微波信号。
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公开(公告)号：EP0989687A2
公开(公告)日：2000-03-29
申请号：EP99118633.9
申请日：1999-09-21
CPC分类号： H04B1/7115 , H04B1/7117
摘要： A wideband receiver automatic frequency control (AFC) system which combines multipath or diverse antenna signals, before the carrier frequency error is determined, is provided herein. Rather than independently calculating the frequency error of each transmission path, frequency error is calculated after the multipath signals are summed together. Thus, only a single frequency detector circuit is required. The resulting automatic frequency control system has the accuracy of a system which combines the independently calculated frequency errors, with fewer steps of computation required. A method for combining multipath signals to calculate an average AFC frequency error is also provided.
摘要翻译： 本文提供了在确定载波频率误差之前组合多路径或多种天线信号的宽带接收机自动频率控制（AFC）系统。 不是独立地计算每个传输路径的频率误差，而是在将多路径信号相加在一起之后计算出频率误差。 因此，仅需要单个频率检测器电路。 所产生的自动频率控制系统具有将独立计算的频率误差组合的系统的精度，需要较少的计算步骤。 还提供了组合多径信号以计算平均AFC频率误差的方法。
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公开(公告)号：EP0383597B1
公开(公告)日：1995-05-10
申请号：EP90301627.7
申请日：1990-02-15
CPC分类号： H01Q21/0081 , H01Q21/065
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公开(公告)号：EP0521511A3
公开(公告)日：1994-04-20
申请号：EP92111263.7
申请日：1992-07-03
IPC分类号： H01Q11/08
CPC分类号： H01Q11/08
摘要： A first radiation member (165) includes radiation conductors (166) and (167), an arm (168) and a lower connection piece (169) all integrally formed by blanking. A stub (170) is likewise integrally formed on radiation conductor (166). A second radiation member (171) includes radiation conductors (172) and (173), an arm (174) and a lower connection piece (175) all integrally formed by blanking. A stub (176) is likewise integrally formed on radiation conductor (173). A first loop comprised of radiation conductors (167) and (172), arms (168) and (174) and lower connection pieces (169) and (175) exhibits capacitive impedance at a wavelength for use. The overall length of a second loop comprised of radiation conductors (166) and (173), arms (168) and (174) and lower connection pieces (169) and (175) is set equal to that of the first loop. The second loop, however, exhibits inductive impedance at the wavelength for use by adjustment of the length of stubs (170) and (176). Adjusting stubs (170) and (176) enable control of a phase of a current flowing through the second loop.
摘要翻译： 第一辐射构件（165）包括全部通过冲切一体形成的辐射导体（166）和（167），臂（168）和下连接件（169）。 短线（170）同样整体形成在辐射导体（166）上。 第二辐射构件（171）包括全部通过冲切一体形成的辐射导体（172）和（173），臂（174）和下连接件（175）。 短棒（176）同样整体形成在辐射导体（173）上。 由辐射导体（167）和（172），臂（168）和（174）以及下部连接件（169）和（175）组成的第一回路在使用的波长处呈现电容性阻抗。 由辐射导体（166）和（173），臂（168）和（174）以及下连接件（169）和（175）组成的第二回路的总长度被设定为等于第一回路的总长度。 然而，第二回路通过调整短截线（170）和（176）的长度在波长处呈现出电感阻抗。 调整短线（170）和（176）使得能够控制流过第二回路的电流的相位。
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公开(公告)号：EP0521511A2
公开(公告)日：1993-01-07
申请号：EP92111263.7
申请日：1992-07-03
IPC分类号： H01Q11/08
CPC分类号： H01Q11/08
摘要： A first radiation member (165) includes radiation conductors (166) and (167), an arm (168) and a lower connection piece (169) all integrally formed by blanking. A stub (170) is likewise integrally formed on radiation conductor (166). A second radiation member (171) includes radiation conductors (172) and (173), an arm (174) and a lower connection piece (175) all integrally formed by blanking. A stub (176) is likewise integrally formed on radiation conductor (173). A first loop comprised of radiation conductors (167) and (172), arms (168) and (174) and lower connection pieces (169) and (175) exhibits capacitive impedance at a wavelength for use. The overall length of a second loop comprised of radiation conductors (166) and (173), arms (168) and (174) and lower connection pieces (169) and (175) is set equal to that of the first loop. The second loop, however, exhibits inductive impedance at the wavelength for use by adjustment of the length of stubs (170) and (176). Adjusting stubs (170) and (176) enable control of a phase of a current flowing through the second loop.
摘要翻译： 第一辐射构件165包括全部通过消隐整体形成的辐射导体166和167，臂168和下连接件169。 短轴170同样地一体地形成在辐射导体166上。第二辐射构件171包括辐射导体172和173，臂174和下连接件175，其全部通过消隐而形成。 短截线176同样整体地形成在辐射导体173上。由辐射导体167和172，臂168和174以及下连接件169和175组成的第一回路在使用的波长处表现出电容性阻抗。 由辐射导体166和173，臂168和174以及下连接件169和175构成的第二回路的总长度被设定为等于第一回路的总长度。 然而，第二回路在通过调整短截线170和176的长度的波长上表现出感应阻抗。调节短线170和176使得能够控制流过第二回路的电流的相位。
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