| 1. | Research on distortionless transmission of digital baseband signal of mine monitoring system
矿用监控系统数字基带信号无失真传输的研究 |
| 2. | In this process , it is costas that transforms medium signal loaded with data information to baseband signal deprived of carrier
其中，将带有数据信息的中频信号变为除去载波的基带信号由科思塔斯环（ costas ）完成。 |
| 3. | In order to insure the real - time data , the thesis employs the plan using the high - speed fpga circuit to mainly control and process the baseband signal
为了保证数据实时性,系统使用了高速的fpga器件来进行主控与基带信息处理的技术实现方案。 |
| 4. | There are different ways to make the bit synchronization , for example : the technique of the pilot frequency , the technique of some change about the baseband signal
为了保证在同步传输系统中的位同步,有导频及对基带信号信号直接变换的方式,直接变换的方式中,使用线路编码是比较常见的。 |
| 5. | 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
文中详细阐述了主控与基带处理单元中fpga模块设计与时序设计,研制了主控与基带信息处理单元硬件,编写了部分调试软件。 |
| 6. | Finally , the author has carried on software and hardware design of the similar clutter baseband signal production based on the tms320c6414dsp processor . and confirmed the design feasibility through the simulation experiment
文章最后,基于tms320c6414dsp处理器进行了对类杂波基带信号生成的软硬件设计,通过仿真实验验证了设计的可行性。 |
| 7. | The signals of multi - channel sensor at measuring spot were processed and translated by signal encoding technology to fuse into a baseband signal and then the signal was transmitted directly or in frequency - hand mode
该方法利用信号编码技术对测控现场的多路传感器信号进行处理和变换，使其融合为一路基带信号后，或直接以基带传输或以频带传输。 |
| 8. | Its basic function is to pick up the narrowband signals from the broadband & high speed digital signals , and transform it to the baseband . then the low speed baseband signals are sent to the following dsps for processing
其基本功能是从输入的宽带高速的数字信号中提取所需的窄带信号,将其下变频为数字基带信号,并转换成较低的数据率,以供后续的dsp作进一步的处理。 |
| 9. | The output of hdlc data package was coded by nrzi , then conducts the modulation of gmsk baseband signal through dsp . the message was correctly analyzed by sabb receiver , which proved the interconnection and intercommunication between apparatus
产生的hdlc数据包通过nrzi编码后,再通过dsp进行gmsk基带信号的调制,此消息被sabb接收机正确解析,证明了设备的互连互通。 |
| 10. | Direct modulator converts baseband signal to rf signal without upconvertion . the system design is relatively simple compared to upconversion . so direct modulator provides adventages of compact size , low cost and low spurious response
直接调制将基带信号直接转换为射频信号,不需要二次频率变换,与上变频方式相比系统结构简单,降低了对滤波器的要求,具有体积小,重量轻,成本低等明显的优点。 |
