本文提出了一个应用于软件无线电的四阶可重构模拟基带滤波器。
This paper presents a 4th-order reconfigurable analog baseband filter for software-defined radios.
发射和接收单元(5)将来自网络的接收波信号转换为接收模拟基带信号。
The transmitting and receiving unit (5) converts a reception wave signal from a network into a reception analog baseband signal.
发射和接收单元(5)将发射模拟基带信号转换为发射调制波信号，以输出到网络。
The transmitting and receiving unit (5) converts the transmission analog baseband signal into a transmission modulation wave signal to output to the network.
发射和接收单元(5)与时钟同步地将发射数字基带信号转换为发射模拟基带信号。
The transmitting and receiving unit (5) converts the transmission digital baseband signal into a transmission analog baseband signal in synchronization with the clock.
发射和接收单元(5)与时钟同步地将接收模拟基带信号转换为接收数字基带信号。
The transmitting and receiving unit (5) converts the reception analog baseband signal into a reception digital baseband signal in synchronization with a clock.
现在GMRC正在构建一个模拟蜂窝网络，用于测试移动射频设备、基带及IP数据流。
Now GMRC is creating a cellular network emulator for testing mobile RF device, baseband and IP data traffic flows.
SAR目标回波基带信号产生模块是SAR目标回波模拟器的关键单元之一，其设计影响到模拟器系统的性能。
SAR echo base-band signal produce module is the key unit of the SAR echo signal simulator, its design affects the performance of the SAR echo signal simulator.
基带接口240可以是数字接口，模拟接口或数字和模拟接口的组合，这要根据本发明的特定实施例确定。
Baseband interface 240 May be a digital interface, an analog interface or a combination of a digital and an analog interface, depending on the particular embodiment of the invention.
用该种方法生成的杂波基带调制数据已成功地用于某型雷达杂波模拟器。
Clutter base-band modulating data with this method is applied into a radar clutter simulator successfully.
软件无线屯的设计思想之一是将A／D转换器尽可能靠近天线，即把A／D从基带移到中频甚至射频，把接收到的模拟信号尽早数字化。
One of the important conceptions of Software Radio is to make A/D converter close to antenna, we should convert IF analog signal even RF analog signal into digital signal.
在射频频段进行信道模拟的真实性较高但较复杂，在基带进行的信道模拟在复杂度降低的同时，影响了真实性。
According to the well developed Radion Frequency (rf) simulation, the complexity of Base Band (BB) simulation degrades, but unfortunately, the performance degrades too.
注明模具的形象，该xc 3028的单芯片模拟和数字电视调谐器显示完全集成的射频到基带功能块。
Annotated die image of the XC3028 single-chip analog and digital TV tuner showing the fully integrated RF-to-baseband functional blocks.
注明模具的形象，该xc 3028的单芯片模拟和数字电视调谐器显示完全集成的射频到基带功能块。
Annotated die image of the XC3028 single-chip analog and digital TV tuner showing the fully integrated RF-to-baseband functional blocks.
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