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    • 1. 发明公开
    • Compact waveguide filter
    • Kompakter Wellenleiterfilter
    • EP1443588A1
    • 2004-08-04
    • EP04100112.4
    • 2004-01-15
    • Thomson Licensing S.A.
    • Lo Hine Tong, DominiqueGuguen, CharlineBaron, François
    • H01P1/208
    • H01P1/2088
    • The invention provides a particularly compact waveguidefilter that can be easily adapted to a microstrip circuit. The waveguide filter comprises at least three mutually coupled resonant cavities 14 to 19. The filter is coupled to a microstrip circuit placed on a substrate 10. At least one cavity 14, 15, 18 and 19 lies on one side of the substrate 10 and at least one other cavity 16, 17 lies on the other side of the substrate 10. The cavities distributed on either side of the substrate have the effect of greatly reducing the size of the filter. The invention also relates to an outdoor transmission unit that includes the said filter.
    • 本发明提供了一种特别紧凑的波导滤波器,其可以容易地适应于微带电路。 波导滤波器包括至少三个相互耦合的谐振腔14至19.滤波器耦合到放置在基板10上的微带电路。至少一个空腔14,15,18和19位于基板10的一侧上,并且位于 至少一个其它空腔16,17位于基板10的另一侧。分布在基板的任一侧上的空腔具有大大减小过滤器尺寸的效果。 本发明还涉及一种包括所述过滤器的室外传动单元。
    • 4. 发明公开
    • Compact slot antenna
    • Kompakte Schlitzantenne
    • EP2725658A1
    • 2014-04-30
    • EP13187726.8
    • 2013-10-08
    • Thomson Licensing
    • Lo Hine Tong, DominiqueNadaud, KevinMinard, PhilippeBaron, François
    • H01Q13/16H01Q21/28
    • H01Q13/106H01Q13/16H01Q21/28
    • The present invention relates to a compact slot antenna formed, in a multilayer substrate comprising, in order, at least one first conductive layer, a first dielectric layer, a second conductive layer, a second dielectric layer and a third conductive layer, of a first slot-line (30) realised in the second conductive layer, said first slot-line being connected to the supply (A) of the antenna, of a second and a third slot-lines realised respectively in the first and in the third conductive layers, the second and third slot-lines (31, 32) each being delimited by two conductive strips of which a first extremity, supply side, is interconnected by a via passing through a window realised in the second conductive layer and a second extremity connected to the second conductive layer, both conductive strips on the side of the second extremity being, either in open circuit, or in short circuit, the electrical length of the first, second and third slot-lines being a function of the wavelength at the operating frequency of the antenna.
    • 本发明涉及一种紧凑型缝隙天线,其形成在多层衬底中,依次包括至少一个第一导电层,第一介电层,第二导电层,第二介电层和第三导电层,第一导电层 在第二导电层中实现的槽线(30),所述第一槽线连接到天线的电源(A),分别在第一和第三导电层中实现的第二和第三槽线 ,第二和第三槽线(31,32)分别由两个导电带限定,第一末端供应侧通过穿过第二导电层中实现的窗口的通孔互连,第二末端连接到 第二导电层,在第二末端侧的两个导电条都处于开路或短路中,第一,第二和第三槽线的电长度是波长在 天线的工作频率。
    • 6. 发明公开
    • Process and device for modulation of a carrier with amplitude and phase error compensation
    • 用于调制载波振幅和相位误差的补偿方法和设备
    • EP1396973A1
    • 2004-03-10
    • EP03102538.0
    • 2003-08-14
    • Thomson Licensing S.A.
    • Le Naour, Jean-YvesRobert, Jean-LucBaron, François
    • H04L27/36
    • H04L27/364H04L2027/0016H04L2027/0018
    • The invention relates to processes and devices which make it possible to directly modulate an RF carrier with a quadrature signal. It consists in filtering (504) this quadrature signal around zero so as to introduce alternately (507, 508) on each of the channels a low-frequency subcarrier that will serve as reference. Each of these channels is alternately demodulated in a synchronous manner (519) cosine-wise and sine-wise. The demodulation signal is filtered (523) so as to recover the subcarrier marred by modulation errors. The measurement of these errors (524) allows feedback correction (503) of the quadrature signal. It makes it possible to perform the major part of the operations in the digital processor (501) and enables direct vector modulation to be made possible at millimetre frequencies.
    • 本发明涉及一种方法和装置,其使得能够直接调制到RF载波与正交信号。 它besteht在滤波(504)围绕零该正交信号,以便在每一个信道的低频副载波thatwill用作参考的引入可替换地(507,508)。 合成信道的每一个以同步的方式(519)余弦明智和正弦明智交替地解调。 解调信号进行滤波(523),以便恢复由调制误差破坏了子载波。 合成错误(524)的测量允许正交信号的反馈校正(503)。 它使得能够在数字处理器(501)执行的操作的主要部分,并且启用在毫米波频率成为可能直接矢量调制。