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.
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.
硬件部分包含了射频单元、基带控制器、链路管理器、HCI和USB固件。
The hardware is composed of radio unit, baseband controller, link manager, and USB and HCI firmware.
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.
OFDM可以使接收机中的基带处理单元大大简化，并且可以提高数据速率。
OFDM can simplify the base-band processing unit of the receiver greatly and can increase the data rate.
一种基于数字波束的智能天线实现装置，包括：阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
OFDM可以使接收机中的基带处理单元大大简化，并且可以提高数据传输速率。
OFDM can greatly simplify the baseband processing units at receiver and improve the data rate.
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.
本人参加了上述第一个项目软件无线电系统的整体设计，完成了主控与基带信息处理模块的硬件设计、部分软件设计调试，以及第二个项目的主控与基带处理单元模块的调试、最终完成整机调试和指标测试。
The thesis expounds the cell design and timing design of the FPGA circuit in main controlling and baseband signal processing module, and develops the hardware of it, and programs part of the software.
本人参加了上述第一个项目软件无线电系统的整体设计，完成了主控与基带信息处理模块的硬件设计、部分软件设计调试，以及第二个项目的主控与基带处理单元模块的调试、最终完成整机调试和指标测试。
The thesis expounds the cell design and timing design of the FPGA circuit in main controlling and baseband signal processing module, and develops the hardware of it, and programs part of the software.
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