| 1. | Double - way high impedence prepositive amplifier for electrochemical test
双路高阻抗电化学测试前置放大器
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| 2. | Technique based on surface element of prepositive disposal in predicting rcs of aircraft
预估计算前置处理的曲面元方法
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| 3. | Algorithm of trimmed surface triangulation of prepositive disposal in predicting rcs of aircraft
计算前置处理中裁剪曲面剖分算法
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| 4. | The application of prepositive acid fracture technique in the reform of carboniferous oil reservior
前置液酸压技术在石炭系油藏改造中的应用
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| 5. | It is required to research a 600w 28vdc / 360vdc converter as prepositive set of static inverter in a certain project
在某机载静止变流器项目中,需要研制一台600w28vdc / 360vdc直流变换器作为双buck型逆变器的前级。
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| 6. | Author thinks it is only law that can set up the prepositive procedure , and definite the provision excluding the procedure
作者认为只有法律才能设定行政复议前置程序，而且立法还应当明确规定排除运用复议前置程序的具体情形。
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| 7. | Each time slot of the uplink frame contains a byte overhead , whose guard time is used to keep slight phase shifts from impairing the signal . the prepositive bit pattern is used for synchronization capture
在上行帧的每个时隙里有字节开销，其防卫时间用于防止微小的相位漂移损害信号，前置比特图案则用于同步获取。
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| 8. | The measuring device cooperating with displacement sensors and prepositive device can monitor vibration signals including peek - peek value and average value etc . besides , it can auto - detect the distance that the sensor installed with and alarm if the interval exceeds the alarm value
该测量仪与位移传感器及前置器配合使用，能够在线监测包括振动峰峰值和平均值等振动信号量，同时测量仪可以自动检测传感器安装距离，在危险的情况下可以根据事先设定好的报警值进行报警。
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| 9. | In the part of detector , it mainly introduces the design of liquor tubes , heater , pressurize , and thermocouple ; in the part of controller , this design uses tms320lf2407 as the cpu . the design part mainly introduces controller circuit design which mainly contains data collection circuit , prepositive magnifying circuit , a / d convert circuit , failure self - diagnosis circuit , the tms320lf2407 interface circuit , temperature control circuit , display circuit , 4 ~ 20ma standard signal output circuit ; in the software part , it mainly introduces software chart of main program and partly linearization subprogram design
检测器部分重点介绍了导流管的设计、加热器的设计、密封技术的设计以及测温电路的设计;控制器部分以tms320lf2407为核心,重点介绍了控制器电路设计,主要包括数据选择电路、前置放大电路、 a / d转换电路、故障自诊断电路、 tms320lf2407接口电路、控温电路、显示电路、 4 20ma标准信号输出电路共八个部分;软件设计重点介绍了主程序软件设计及分段线性化子程序设计。
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| 10. | The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals , the signal adjust circuit consist of programmable - gain amplifier and filter , and digital signal processor tms320lf2407 for data acquisition and processing in turns . provide the measuring results on lcd module . and also can transfer data to the pc ’ s rs232 for farther analyse
采用前置电路将被测信号(电压或电流)变换为小电压信号，经过信号调理电路对信号进行程控放大和滤波后，通过tms320lf2407实现信号的数据采集、信息处理和计算，将测量结果通过液晶模块显示，还可经过rs232接口与计算机进行数据传输，做进一步的分析和应用。
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