| 1. | The summary of the fear conditioning circuit in the brain
条件性恐惧的大脑回路研究概述 |
| 2. | As fcg ' s performance depends on the load greatly , the power conditioning circuit should take both fcg and the load into account
由于fcg的输出与负载密切相关，调制电路模型需要与fcg和负载结合起来考虑。 |
| 3. | When signal - conditioning circuit is in consideration , attention is paid to design safeguard circuit and magnify circuit . a proper parameter data acquisition card is selected according to the signal - conditioning circuit
在硬件电路的实现上，合理设计了保护电路和前置放大电路；结合前置电路选择了参数合适的数据采集卡。 |
| 4. | Of a two - condition circuit ; carrying whatever voltage the system designer has designated as " true " ; in many systems , it is + 5v . typically , " true " enables and " false " is neutral or inhibits
一个电路的两种状态之一。系统设计者可指定任一电压代表“真” 。在许多系统里，通常为5v 。一般说来， “真”代表允许，而“假”表示禁止或中性。 |
| 5. | My main work in this thesis is designing and making emitting - receiving equipment , which consists of three parts , ( 1 ) signal pre - amplifying and conditioning circuit is used to filtering noise and amplifying the micro - leaking - signals
无线采集系统体积小、重量轻，使用方便，可以进行实时采集和监控。有线存储系统体积小，可靠性高，存储量大，可存储8m位的数据。 |
| 6. | At last , an orthogonal test designing method is proposed to study the influences of various fcg and power conditioning circuit parameters on the system performance , to find out those most influential factors and to make them optimized
最后文中提出应用了正交试验设计方法对影响fcg和脉冲功率调制电路性能的参数进行研究，以此来确定影响系统运行的主要因素和优化参数的努力方向。 |
| 7. | The hardware of system is used sensor and signal conditioning circuit to collect the signal and communication with the computer using the pci2013 . for the undulation of temperature and driven current will influence the testing result , they need to be invariableness during testing
系统硬件以传感器和相应的信号调理电路作为前向通道拾取被测信号,利用基于pci高速总线的pci2013数据采集卡和串口模块实现与计算机的数据传输和命令通讯。 |
| 8. | The module is composed of the vxibus interface , data acquisition and storage circuit , analog conditioning circuit and trigger control circuit . measurements such as period , frequency , voltage , pulse width are supported by the acquisition and storage of the input signals
该模块主要由vxi接口电路,数据采集及存储电路,信号调理电路和触发控制电路等各部分组成,可以完成信号的采集、存储,支持信号的周期,频率,幅度,脉宽等参数的测量。 |
| 9. | The hardware mainly consists of three parts : signal pre - amplifying and conditioning circuit is used to amplifying the microseismic signals which have detected , signal processing and target identifying circuit based on singlechip is used to convert the analog signals which have been amplified to digital signals and go through signal analysis , processing to identify the moving target , the sending and receiving setting is used to send the identifying result to the decision - making and he can take relevant action according to the result
硬件主要由三部分组成：信号调理电路对检测到的微弱地震动信号进行放大；基于单片机的信号分析与目标识别电路将放大后的模拟信号进行a d转换，进一步将得出的数字信号分析、处理，实现目标识别；识别结果发射与接收装置将识别结果发射给决策者，由其根据接收结果采取相应的措施。 |
| 10. | The paper introduces these technologies as fellows : ( 1 ) the overview of virtual instrument ( 2 ) pci bus protocols and specifications ( 3 ) hardware section analogue signal conditioning circuit high speed a / d conversion circuit fpga circuit pci bus interfacing circuit ( 4 ) software section visual c + + programing hardware driver programing vhdl programing ( 5 ) the method and result of system test
论文从以下几个方面进行了阐述： ( 1 )虚拟仪器概述( 2 ) pci的协议规范( 3 )硬件电路设计模拟信号调理电路设计高速a d转换电路设计fpga电路设计pci接口设计( 4 )软件设计visualc + +编程设计底层驱动软件编写设计vhdl编程设计( 5 )系统调试方法和结果 |
