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frequency measurement circuit
相关语句
  测频电路
     Application of AVR MCU and CPLD in Frequency Measurement Circuit
     AVR单片机+CPLD体系在测频电路中的应用
短句来源
     The method of frequency measurement this paper mentioned is supported by theresearch capital of national dei'ence. This method is the bestconclusion of my work intime and frequency measurement with direction of my mentor. It isa new-type methodwhich aim at the frequency measurement circuit of the missile'sacceleration .
     本文研究的高精度定闸门频率测量方法得到了国防科研预研资金的资助,是我在导师的指导下,在时间和频率测量方面所做工作的最好总结,它是针对导弹振梁式加速度计用测频电路提出的新型测频方法,这种方法可以用较少的硬件资源完成高精度的频率测量,因而大大降低了研制成本。
短句来源
     An independent work mode was used in the system MCU and CPLD hardware interface in a frequency measurement circuit.
     在测频电路中,其系统单片机与CPLD硬件接口采用独立工作方式。
短句来源
  频率测量
     The method of frequency measurement this paper mentioned is supported by theresearch capital of national dei'ence. This method is the bestconclusion of my work intime and frequency measurement with direction of my mentor. It isa new-type methodwhich aim at the frequency measurement circuit of the missile'sacceleration .
     本文研究的高精度定闸门频率测量方法得到了国防科研预研资金的资助,是我在导师的指导下,在时间和频率测量方面所做工作的最好总结,它是针对导弹振梁式加速度计用测频电路提出的新型测频方法,这种方法可以用较少的硬件资源完成高精度的频率测量,因而大大降低了研制成本。
短句来源
     5.Design,make and adjust the other parts of the system,including the conversion of voltage, namely voltage-frequency circuit, the equal-precision frequency measurement circuit, data collection and processing of PC.
     4.进行了系统其它部分的设计、制作和调试,包括电压信号的转换,即电压-频率转换电路、等精度频率测量电路、上位机控制数据采集、处理。
短句来源
     The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
     在某相位编码毫米波雷达系统中 ,要求很高的目标速度测量精度 ,因而目标多普勒频率测量电路的设计比较重要。
短句来源
     The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
     在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。
短句来源
  频率测量电路的
     The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
     在某相位编码毫米波雷达系统中 ,要求很高的目标速度测量精度 ,因而目标多普勒频率测量电路的设计比较重要。
短句来源
     The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
     在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。
短句来源
  “frequency measurement circuit”译为未确定词的双语例句
     The method of integrated simulation PCB design for frequency measurement circuit with Protel99 is proposed,with which schematic circuit is firstly designed,then optimized by simulation,and then routed automatically.
     文中提出用最新的 Prote1 99实现测频电路的原理图 -仿真 -PCB一体化设计 ,先绘制电路原理图 ,再通过仿真软件进行修改、优化 ,然后直接用该原理图通过自动布线技术完成 PCB设计 .
短句来源
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  frequency measurement circuit
With ASSP, a frequency measurement circuit is used to detect the input signal period set as the synchronous source.
      


A complicated circuit is usually designed with a simulation software or on the basis of experiments,and its printed circuit board is drawn with a CAD software.The schematic circuit for the simulation should be redrawn for the PCB design because of the compatibility of the two tools.The method of integrated simulation PCB design for frequency measurement circuit with Protel99 is proposed,with which schematic circuit is firstly designed,then optimized by simulation,and then routed automatically.The...

A complicated circuit is usually designed with a simulation software or on the basis of experiments,and its printed circuit board is drawn with a CAD software.The schematic circuit for the simulation should be redrawn for the PCB design because of the compatibility of the two tools.The method of integrated simulation PCB design for frequency measurement circuit with Protel99 is proposed,with which schematic circuit is firstly designed,then optimized by simulation,and then routed automatically.The seamlessly integrated design technique cuts the cost of design and improves the efficiency of development.It can also be applied to other designs of complicated mixed analog digital circuits.

复杂的电路通常借助于仿真软件或电路实验进行方案设计 ,用电子 CAD软件绘制印刷电路板 .由于两种软件由不同公司开发 ,用于仿真的原理图无法直接用于 PCB的生成 ,从而降低了效率 .文中提出用最新的 Prote1 99实现测频电路的原理图 -仿真 -PCB一体化设计 ,先绘制电路原理图 ,再通过仿真软件进行修改、优化 ,然后直接用该原理图通过自动布线技术完成 PCB设计 .由于三者基于同一平台 ,无缝集成 ,降低了设计成本 ,提高了开发效率 .该方法特别适用于复杂的数字 -模拟混合电路设计

This paper introduces a digital phase VA meter with two current sensor that can measure AC voltage/current? frequency and phaes between voltang to valtage? current to current and voltang to current. The principle of phase/frequency measurement circuit and DC to DC converter are analyzed in details. The application is introduced.

介绍一种能够测量交流电压、交流电流、工频频率以及电压与电压之间、电流与电流之间、电压与电流之间的相位的数字式钳型仪表。较详细地分析了相位测量电路、频率测量电路和直流—直流电源变换电路的工作原理 ,并对仪器的实际应用作了具体介绍

The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed. As a new method, synchronous multi cycle frequency measurement is more and more widely used. In this paper, it is introduced in detail that with the use of this method and MAX7000 series CPLD, the high precision measurement of target doppler frequency can be obtained. It is shown that the designed...

The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed. As a new method, synchronous multi cycle frequency measurement is more and more widely used. In this paper, it is introduced in detail that with the use of this method and MAX7000 series CPLD, the high precision measurement of target doppler frequency can be obtained. It is shown that the designed system is accurate, highly integrated and reliable.

在某相位编码毫米波雷达系统中 ,要求很高的目标速度测量精度 ,因而目标多普勒频率测量电路的设计比较重要。多周期同步测量方法作为在直接测频基础上发展起来的新方法 ,在测频系统中得到越来越广泛的应用。文中介绍了利用复杂可编程逻辑器件 (CPLD)以及多周期同步测频方法实现目标多普勒频率的测量。实际使用表明 ,该设计具有系统集成度高、精度高、可靠等优点

 
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