| 1. | A method of fault diagnosis for mixed analog digital electronic circuits
一种大规模数模混合电路故障诊断方法 |
| 2. | Analog digital output option
模拟数字输出aio选件 |
| 3. | Analog digital control system
模拟数字控制系统 |
| 4. | Transducers , analog digital
模拟数字转换器 |
| 5. | Transducers , analog digital
模拟数字转换器 |
| 6. | Analog digital converter
模拟数字转化器 |
| 7. | Wide dynamic range technology is the feasible scheme to resolve the dynamic gap between the dynamic range of radio front end and the dynamic range of high speed analog digital converter ( adc )
大动态接收技术是解决宽带数字接收机中射频前端与现有高速adc动态范围之间匹配的瓶颈问题的可行方案。 |
| 8. | Our product line includes brakes , clutches , load cells , tension indicators , analog digital tension controllers , ultrasonic tension controllers , safety chucks and web guiding equipment
我们的产品主要包括张力控制用气动制动器离合器，张力检测器，张力表及模拟式数字式张力控制器，超声波张力控制器，安全卡盘和纠偏控制系统。 |
| 9. | It provided not only some control signals that measure circuit need but also counters used for analog digital conversion . the calculation of data is accomplished by means of the application software
在硬件电路方面，本课题采用专用接口芯片pci9054实现测量板与计算机pci总线的接口，采用cpld芯片isp2128实现测量仪的数字控制部分功能。 |
| 10. | Secondly , basing on single channel if sr receiver mathematic model , this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram , and explained the system working principle . furthermore , this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640 , ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department , digital down conversion department and high speed digital signal processing department . thirdly , the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem , which including ad6620 ' s inner parameter software setup , tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization
其次，基于单通道中频软件无线电接收机数学模型，本文设计了中频( if ， intermediatefrequency )软件无线电接收机子系统，给出了中频软件无线电接收机子系统的设计方案和系统电路原理图，说明了系统工作原理，并分别对应系统中的高速模数转换部分、数字下变频部分、基带数字硕士学位论文软件无线电理论研究及中频软件无线电接收机子系统设计信号处理部分，介绍了高速adcad664o ，数字下变频器( ddc ， digitaldownconverter ) ad6620 ，高速数字信号处理器( dsp ， digitalsignalproeessor ) tms320c6713的工作原理，以及它们在中频软件无线电接收机子系统中的应用。 |
