- 更多网络例句与天线电路相关的网络例句 [注:此内容来源于网络,仅供参考]
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There are three parts in our design: first, the dual-band branch line coupler provides two equal-power signals with 90° or -90° phase difference in each operating band. Second, the wideband switching circuit controls the two output powers of branch line coupler to excite the antenna structure for producing linear polarization wave or circular polarization wave. Third, the L-shaped fed conventional planar patch antenna is provided to overcome the coupling effect.
整体架构包含三个部分:L形电容耦合馈入式平面天线是为了克服平面式微带天线窄频的缺点;双频枝干耦合器提供天线在操作的两个频率点上各输出两组相差正九十度与负九十度的讯号,最后宽频的切换电路是将枝干耦合器的两组讯号作分配用以激发不同方向的天线以产生线性极化模态或同时激发两个垂直的天线以产生圆形极化模态。
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The invention discloses an ultrahigh frequency portable reader which is based on a self-adaptive antenna array and comprises a da vinci chip. The da Vinci chip is externally connected with a USB interface, a Bluetooth interface, a liquid crystal display and at least an AD circuit which is connected with an RF circuit. The RF circuit is connected with the antenna array.
本发明公开了一种基于自适应天线阵列的超高频便携式读写器,包括达芬奇芯片,达芬奇芯片外接USB接口、蓝牙接口、液晶显示器和至少一个AD电路,AD电路上连接有RF电路,RF电路上连接有天线阵列。
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The antenna system includes a mechanism for electrically connecting the displaceable antenna to internal RF circuitry of the portable WCD when the displaceable antenna is in an extended position and for electrically isolating the displaceable antenna from the internal RF circuit when the displaceable antenna is in a retracted position within the casing.
该天线系统包括一个机构,用来在可移动天线处于拉伸位置时把可移动天线电连接至便携式WCD的内部RF电路,并在可移动天线处于外壳内的收缩位置时把可移动天线和便携式WCD的内部RF电路电隔离。
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From the view of antenna circuit point, this paper adopts the finite difference time domain to analyze the impact on the center frequency and the bandwidth, which introduces by the radome.
从天线电路特性的角度入手,采用时域有限差分方法分析了天线罩的引入对天线中心频率、带宽比的影响。
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Firstly, the antenna's equivalent circuit and quality factor will be calculated, then the capacitance value of matching circuit can be worked out.
匹配电路设计首先需测出天线的等效电路,再计算出天线的品质因子,然后得出匹配电路的电容值。
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This paper discusses some kinds of function circuits to receiver for moblie telephone,incuding antenna circuit、low noise amplifier circuit and mixing circuit,the emaphsis are put on their performance indexes、characteristics and applications.
本文讨论了移动电话接收机功能电路中常见的几种天线电路、低噪声放大电路及混频电路,重点放在它们的性能指标、特性及应用方面。
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To solve the problem, a concept of dynamic antenna is introduced, which comprises the antenna with wireless sensor, wheels, and vehicle body. A 3D electromagnetic simulation model for the dynamic antenna is built and a simulation is performed. The parameters of dynamic antenna obtained by the simulation are then used in the design of matching circuit of base antenna.
针对该问题提出将无线传感器天线、轮毂、车身看作一个动态天线,建立动态天线的三维电磁场仿真模型,并将仿真得到的动态天线参数用于无线传感器天线的匹配电路设计。
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The system comprises first and second antennas for receiving first and second RF signals of first and second frequencies, respectively; a mobile switch for measuring performance characteristics of the second antenna; and a switch circuit connected between the second antenna and the mobile switch for controlling flow of the first RF signal to the second antenna.
在移动通信终端内,一开关电路,用于根据工作模式控制CDMA天线的输入阻抗,该开关电路被连接在CDMA天线和移动开关之间,以便在GPS工作模式下维持CDMA天线的输入阻抗为高阻抗,来切断GPS信号的流入,以及在CDMA工作模式下维持CDMA天线的输入阻抗为低阻抗以接收CDMA信号。
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In this thesis, we utilize the bond wire for compensation on the input impedance matching of buried circuits. With proper design, the module has compact size, omni-directional radiation pattern, and low insertion loss of passive circuits. The proposed antenna switch module is suitable for applications of IEEE 802.11a WLAN.
本篇论文把此磅线的效应加以考虑并利用磅线近似电感的现象设计所有内埋的被动电路与天线,让此前端天线模组具有体积小、全向性辐射场型、以及被动电路特性良好之特色,频段适合於无线区域网路(IEEE 802.11a)的应用中。
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There are few equivalent circuit modeling methods for UWB antennas. This thesis compares the characteristic of some existing modeling methods and presents a general and precise modeling method for UWB antennas. Firstly, establish the narrowband model of the antenna, and compute the difference between input admittances of the antenna and its narrowband model. Secondly, implement rational approximation of the difference to build the macromodel, and convert it into SPICE equivalent circuits. Lastly, combine the narrowband model and the macromodel to form the ultimate equivalent circuit model of the antenna.
本论文针对目前UWB天线等效电路建模方法比较少的现状,结合现有的天线建模方法的一些特点,研究了一种系统通用、模型精度高的新建模方法:首先建立超宽带天线的窄带模型,计算天线及其窄带模型导纳的差值;接着对差值进行有理多项式拟合,得到相应的宏模型,并转化为SPICE等效电路;最后合并窄带模型与宏模型电路,得到天线等效电路模型。
- 更多网络解释与天线电路相关的网络解释 [注:此内容来源于网络,仅供参考]
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aperiodic circuit:非周期电路,非调谐电路,非周期振荡电路
"aperiodic antenna","非调谐天线" | "aperiodic circuit","非周期电路,非调谐电路,非周期振荡电路" | "aperiodic variations","非周期变化"
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back door interference:后门干扰(与电力线同方向进入天线电路之干扰噪声)
back discharge | 反向放电 | back door interference | 后门干扰(与电力线同方向进入天线电路之干扰噪声) | back door | 后门, 秘密途径
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mixer:混频器
的原理方框图如图 4-1 所示.它包括天线电路(ANT),低噪声放大器(LNA),混频器(Mixer), 中频放大器(IF Amplifier)和解调电路(Demodulator)等.摩托罗拉手机接收电路基本上都采 用以上电路.超外差一次变频接收机工作过程是 : 天线感应到的无线蜂窝信号 (GSM900 频段 935,
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antenna circuit:天线电路
antenna choke 天线扼力 | antenna circuit 天线电路 | antenna connection 天线接线
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antenna circuit:天线电路 架空线路
antenna choke || 天线扼流圈 | antenna circuit || 天线电路 架空线路 | antenna coincidence || 天线重合
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antenna circuit:天线电路KFz中国学习动力网
antenna choke 天线扼力KFz中国学习动力网 | antenna circuit 天线电路KFz中国学习动力网 | antenna connection 天线接线KFz中国学习动力网
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antenna circuit breaker:天线电路断路器
天线电路 antenna circuit | 天线电路断路器 antenna circuit breaker | 同轴天线 antenna coaxial
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aerial circuit; antenna circuit:天线电路
天线电容 aerial capacity | 天线电路 aerial circuit; antenna circuit | 天线线卷 aerial coil; antenna coil
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antenna input circuit:天线输入电路
antenna illumination || 天线照明 | antenna input circuit || 天线输入电路 | antenna input impedance || 天线输入阻抗
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antenna coupling circuit:天线耦合电路
antenna coupler || 天线耦合器 | antenna coupling circuit || 天线耦合电路 | antenna coupling condenser || 天线耦合电容器