会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明申请
    • CONVERTISSEUR NUMÉRIQUE DE FRÉQUENCE ET PROCÉDÉ DE TRAITEMENT DANS UN CONVERTISSEUR NUMÉRIQUE DE FRÉQUENCE
    • 数字频率转换器和数字频率转换器中的处理方法
    • WO2016016409A1
    • 2016-02-04
    • PCT/EP2015/067605
    • 2015-07-30
    • THALES
    • JOLEC, FrançoisDOUMENJOU, Anthony
    • H03D3/00H03D7/00H03H17/02H03H17/06
    • H03D7/165H03D2200/0062H03H17/0276H03H17/0664H03H2017/0247
    • Convertisseur numérique de fréquence et procédé de traitement dans un convertisseur numérique de fréquence Convertisseur de fréquences comprenant un bloc de transposition en fréquence d'échantillons (11 Q_1 , 11 Q_3 ), un bloc de filtrage (12 Q_1 , 12 Q 3 ), les échantillons filtrés y(n) vérifiant y(n) =c(0).x(n) + c(1).x(n-1) + c(2).x(n-2)+... +c(p-1).x(n-p+1) + c(p).x(n-p) + c(p-1).x(n-p-1)+...+...+c(1).x(n-2.p+1) + c(0).x(n-2.p), où x() sont les échantillons transposés et c(0),...c(p) sont les coefficients réels du filtre; et étant adapté pour, lors d'un cycle de détermination de la valeur de l'échantillon filtré y(n) : - calculer des premiers termes c(0).x(n), c(1).x(n-1), c(2).x(n-2),..., c(p).x(n-p) en multipliant les coefficients et échantillons transposés respectifs, et mémoriser desdits premiers termes calculés; - lire des seconds termes c(p-1).x(n-p-1),..., c(1).x(n-2.p+1), c(0).x(n-2.p), calculés et mémorisés lors de cycles précédents de détermination de la valeur d'échantillons filtrés y(n-m); et - déterminer y(n) par sommation des premiers et seconds termes.
    • 数字频率转换器和数字频率转换器中的处理方法包括用于样本(11Q_1,11Q_3)频率转置的块,滤波块(12Q_1,12Q3)的频率转换器,满足y(n)的滤波样本y(n) = c(0).x(n)+ c(1).x(n-1)+ c(2).x(n-2)+ ... + c(p-1) p + 1)+ c(p).x(np)+ c(p-1).x(np-1)+ ... + ... + c(1) 1)+ c(0).x(n-2.p),其中x()是转置样本,c(0),... c(p)是滤波器的实际系数; 并且适于在确定滤波后的样本y(n)的值的周期期间: - 计算第一项c(0).x(n),c(1).x(n-1) c(2).x(n-2),...,c(p).x(np)通过乘以系数和各个转置样本,并存储所述第一计算项; - 读第二项c(p-1).x(np-1),...,c(1).x(n-2.p + 1),c(0) ),在确定过滤样品的值y(nm)的前一循环期间计算和存储; 并且通过对第一和第二项求和来确定y(n)。
    • 4. 发明申请
    • LINEAR SAMPLER
    • 线性采样器
    • WO2015160430A1
    • 2015-10-22
    • PCT/US2015/017240
    • 2015-02-24
    • RAYTHEON COMPANY
    • MORTON, Matthew, A.COMEAU, Jonathan, P.KOPA, Anthony
    • G11C27/02
    • H04B1/28H03D7/165H04B1/16
    • A frequency conversion circuit having a plurality of N signal channels, each signal channel includes a column III-V semiconductor sampler coupled the input signal and being responsive to sampling signals and a column IV semiconductor controllable time delay for producing the train of sampling signals in response to a train of pulses produced on the column IV semiconductor, the time delay imparting a time delay to the pulses in accordance with a time delay command signal fed to the time delay and wherein each one of the sampling signals is produced by the time delay in each one of the channels with a period T and a duty cycle T/N with the sampling signals in one of the trains of the sampling signals being delayed with respect to the sampling signals in another one of the trains.
    • 具有多个N个信号通道的频率转换电路,每个信号通道包括耦合输入信号并响应于采样信号的列III-V半导体采样器和响应于第IV列半导体可控时间延迟,用于响应于产生采样信号串 到在IV列半导体上产生的一串脉冲,时间延迟根据馈送到时间延迟的时间延迟命令信号向脉冲施加时间延迟,并且其中每个采样信号由时间延迟产生 每个具有周期T的通道和占空比T / N,其中采样信号的一列中的采样信号相对于另一列中的采样信号被延迟。
    • 7. 发明申请
    • DIGITAL DATA PROCESSING APPARATUS AND METHOD
    • 数字数据处理设备和方法
    • WO2014006395A1
    • 2014-01-09
    • PCT/GB2013/051751
    • 2013-07-02
    • GLOBAL INVACOM LTDSTAFFORD, Gary
    • STAFFORD, Gary
    • H04H40/90H04H20/63
    • H04N21/4383H03D7/163H03D7/165H04H20/63H04H40/90
    • There is provided in accordance with the invention apparatus and a method for the receipt and processing of data signals carried in a plurality of predefined frequency bands, and allowing a frequency band which is required at an instant of time to be selected from the said predefined frequency bands and from which data is to be retrieved and passing the data signals from the wanted band to a transmitter and/or receiver including first and second mixing means to process the data signals, typically using in-phase and quadrative data feeds to create a predefined representation of the wanted frequency band, to provide an output for receipt by at least one broadcast data receiver and at least the transmitter and/or receiver is provided as part of an integrated circuit rather than as separate connected components.
    • 根据本发明的装置和用于接收和处理在多个预定义频带中携带的数据信号并且允许从时间点所需的频带从所述预定频率中选择的方法, 频带,并从中检索数据并将数据信号从有用频带传送到包括第一和第二混合装置的发射机和/或接收机,以处理数据信号,通常使用同相和二次数据馈送来创建预定义的 提供所需频带的表示,以提供用于由至少一个广播数据接收器和至少发射机和/或接收机接收的输出作为集成电路的一部分,而不是作为单独的连接分量。
    • 8. 发明申请
    • MIXER UNIT
    • 混合器单元
    • WO2013043106A2
    • 2013-03-28
    • PCT/SE2012/050972
    • 2012-09-14
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)SJÖLAND, HenrikSUNDSTRÖM, LarsANDERSON, MartinSVENSSON, Jim
    • SJÖLAND, HenrikSUNDSTRÖM, LarsANDERSON, MartinSVENSSON, Jim
    • H04B1/04
    • H04B1/405H03D7/1458H03D7/1466H03D7/165H03D7/18H04L27/12
    • A mixer unit (30) for frequency translating, based on an LO signal, an input signal having one or more input signal components is disclosed. The mixer unit has a signal processing path (50a-d, 60a-d) from each Input terminal (32+, 32-) to each output terminal (34_I+, 34_ I-, 34_Q+,34_Q—) of the mixer unit (30), The LO signal has an associated LO signal component (LO_Ia-d, LO_Qa-d) for each signal processing path. The mixer unit (30) comprises a plurality of mixer switches (70a- N ) and a control unit (90). The control unit (90) is adapted to, for each signal processing path (50a-d, 60a-d), dynamically select an associated subset, in the following denoted active switch subset, of the plurality of mixer switches (70a- N ) for operation in the signal processing path (50a-d, 60a~d) such that which of the plurality of mixer switches (70a-N) belong to said active switch subset varies in time. At any instant in time, the union of all the active switch subsets is a strict subset, denoted combined active subset, of the plurality of mixer switches (70a- N ). The control unit (90) is further adapted to activate only the mixer switches (70a- N ) in said combined active subset by, for each mixer switch (70a- N ) in the combined active subset, supplying the corresponding LO signal component to the mixer switch. A related radio receiver circuit (10), a related radio communication apparatus (1, 2), and a related method are also disclosed.
    • 公开了一种用于基于LO信号频率转换具有一个或多个输入信号分量的输入信号的混频器单元(30)。 混合器单元具有从每个输入端子(32+,32-)到混频器单元(30)的每个输出端子(34_I +,34_I,34_Q +,34_Q-)的信号处理路径(50a-d,60a-d) ),LO信号对于每个信号处理路径具有相关联的LO信号分量(LO_Ia-d,LO_Qa-d)。 混频器单元(30)包括多个混频器开关(70a-N)和控制单元(90)。 控制单元(90)适于对于每个信号处理路径(50a-d,60a-d),动态地选择多个混频器开关(70a-N)中的以下表示的有源开关子集中的相关联的子集, 用于在信号处理路径(50a-d,60a〜d)中操作,使得属于所述有源开关子集的多个混频器开关(70a-N)中的哪一个在时间上变化。 在任何时刻,所有有源开关子集的并集是多个混频器开关(70a-N)中标明为组合有源子集的严格子集。 控制单元(90)还适于仅通过组合有源子集中的每个混合器开关(70a-N)激活所述组合有效子集中的混频器开关(70a-N),将相应的LO信号分量提供给 搅拌机开关 还公开了一种相关无线电接收机电路(10),相关无线电通信装置(1,2)及相关方法。
    • 10. 发明申请
    • VARIABLE-GAIN MIXER FOR A WIRELESS RECEIVER WITH CURRENT COMPENSATION
    • 具有电流补偿的无线接收器的可变增益混频器
    • WO2012089755A1
    • 2012-07-05
    • PCT/EP2011/074130
    • 2011-12-28
    • ACCENT S.p.A.SOUTO DIEZ, Anabel
    • SOUTO DIEZ, Anabel
    • H03D7/14H03D7/18
    • H04B1/16H03D7/1441H03D7/1458H03D7/1491H03D7/165H03D7/18H03D2200/0025H03D2200/0043H03D2200/0084H03D2200/0088
    • A variable-gain mixer (210) for down-converting a modulated input signal (S RF ) into a modulated output signal (S IF ) in a wireless receiver (120) is proposed. The mixer includes means (310) for selecting a mixer gain (Gv) according to a power level of the input signal, amplifying means (305) for amplifying the input signal into a modulated intermediate current (I RF + ,I RF - ) in response to a control signal indicative of the selected mixer gain, the intermediate current having an intermediate component, consisting of a direct current, varying according to the selected mixer gain, means (315,320) for generating the output signal from the intermediate current, the output signal having an output component, consisting of a direct current or voltage, depending on the intermediate component; in the solution according to an embodiment of the invention, the mixer further includes means (415 i ,Sj i ) for setting a compensation current in response to the control signal for compensating the variation of the intermediate component, and means (Mj i + ,Mj i - ) for adding the compensation current to the intermediate current.
    • 提出了一种用于在无线接收机(120)中将调制输入信号(SRF)下变频为调制输出信号(SIF)的可变增益混频器(210)。 混频器包括用于根据输入信号的功率电平选择混频器增益(Gv)的装置(310),用于响应于所述调制中间电流(IRF +,IRF-)将输入信号放大为调制中间电流 指示所选择的混频器增益的控制信号,所述中间电流具有由根据所选择的混频器增益而变化的直流电的中间分量,用于从中间电流产生输出信号的装置(315,320),所述输出信号具有 输出分量,由直流或电压组成,取决于中间分量; 在根据本发明的实施例的解决方案中,混频器还包括用于响应于用于补偿中间分量的变化的控制信号设置补偿电流的装置(415i,Sji),以及装置(Mji +,Mji-) 用于将补偿电流加到中间电流。