| 1. | The design of multiple in system programmable digital testing system 多种在系统可编程器件数字测试系统 |
| 2. | With the development of vlsi and isp ( in system programmable ) technique , the way of design digital circuit has changed great 随着大规模集成电路的发展,尤其是在系统可编程逻辑器件的出现,数字电路的设计方法发生了很大的变化。 |
| 3. | Further more , the system is expandable and re - configurable because both cpld and aduc812 have in system programmable ( isp ) function 而且,由于复杂可编程逻辑器件和aduc812单片机具有在系统编程( isp )功能,使得本系统具有灵活的可扩展性和可重配置性。 |
| 4. | In this paper , the emphasis is how to use the in system programmable chip to improve the stability of microwave range finder and reduce the size of it 本文研究的重点是如何在微波测距仪中采用在系统可编程逻辑器件,以提高系统稳定性,同时减小系统体积和功耗。 |
| 5. | System ' s digital circuits are integrated into isplsi ( in system programmable large scale integrated chips ) 1032 so as to simplify design and to develop the stability and reliability of the system 用可编程大规模芯片isplsi1032对系统的数字电路进行了集成化设计,达到既简化电路设计又提高系统稳定性、可靠性的目的。 |
| 6. | First , delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result . second , according to the feature that width of receiving signal is wider than disturbing signal , width differentiation circuit is utilized to distinguish receiving signal and disturbing signal . third , most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system 关于提高系统的稳定性和可靠性问题:一是采用了延迟窗口接收技术,以尽可能减小干扰脉冲对测量结果的影响;二是根据接收信号脉宽比干扰信号脉宽要宽的特点,采用脉宽鉴别电路来鉴别接收信号;三是用可编程大规模芯片isplsi1032对系统大部分的数字电路进行了集成化设计,达到既简化电路设计、又提高系统稳定性可靠性的目的。 |
| 7. | Research and experiment verify that two - stage current mode edm power has more advantages than composite - structure current mode edm power . the engineering prototype of 20a peak current new - style edm power are built based on the two - stage current mode edm power . in system programmable large scale integration ( isplsi ) is applied to the engineering prototype 在原理样机基础上,采用两级式结构,将在系统可编程大规模集成器件( isplsi )应用于电源的控制电路中,研制出20a峰值电流新型edm电源工程样机,完成了电源样机工业化过程。 |