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equal observations
相关语句
  等精度
     DSP-based Method of Equal Observations Speed
     基于DSP的等精度测速方法
短句来源
     The Design of Frequency Meter for Equal Observations Based on CPLD and C Language
     基于CPLD及C语言的等精度频率计设计
短句来源
     meanwhile,on base of this principle,adopts Verilog HDL to design high speed integrated circuit for equal observations of frequency,and uses EDA development tool QUARTUSⅡ3.0 to program CPLD,realizes main logic function such as counter;
     同时在该原理基础上,采用了VerilogHDL语言设计了高速的等精度测频模块,并且利用EDA开发平台QUARTUSⅡ3.0对CPLD芯片进行写入,实现了计数等主要逻辑功能;
短句来源
     This paper mainly introduces the principle of equal observations for frequency,which has the merit of keeping high degree of accuracy for frequency measurement in entire test wave band;
     主要介绍了等精度频率测量原理,该原理具有在整个测试频段内保持高精度频率测量的优点;
短句来源
     and uses C language to design the main control program of the frequency meter for equal observations to make the meter more accurate.
     还使用C语言设计了该等精度频率计的主控程序以提高测量精度。
短句来源
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Conventional method of speed measuring be restricted by measuring method and implementati on procedure, so speed change brings accuracy change. This paper introduces the schematic and the method of equal observations speed, based on a practical application

传统的测速方法由于受测量方式手和实现手段的限制,使得测速精度随速度而变化。本文以一个实际应用为例,详细介绍等精度测速的原理及用DSP实现的方法和技巧。 

Unequal obsesvetions are changed into equal observations by weight factor. The grating constant as well as its uncertainty is obtained by least square method.

将光栅常数的不等精度测量通过加权转换为等精度测量,用最小二乘法计算出光栅常数及其不确定度.

This paper mainly introduces the principle of equal observations for frequency,which has the merit of keeping high degree of accuracy for frequency measurement in entire test wave band;meanwhile,on base of this principle,adopts Verilog HDL to design high speed integrated circuit for equal observations of frequency,and uses EDA development tool QUARTUSⅡ3.0 to program CPLD,realizes main logic function such as counter;and uses C language to design the main control program of the frequency meter for...

This paper mainly introduces the principle of equal observations for frequency,which has the merit of keeping high degree of accuracy for frequency measurement in entire test wave band;meanwhile,on base of this principle,adopts Verilog HDL to design high speed integrated circuit for equal observations of frequency,and uses EDA development tool QUARTUSⅡ3.0 to program CPLD,realizes main logic function such as counter;and uses C language to design the main control program of the frequency meter for equal observations to make the meter more accurate.The design has realized broad band measurement and can meet the request of high speed and high degree of accuracy.

主要介绍了等精度频率测量原理,该原理具有在整个测试频段内保持高精度频率测量的优点;同时在该原理基础上,采用了VerilogHDL语言设计了高速的等精度测频模块,并且利用EDA开发平台QUARTUSⅡ3.0对CPLD芯片进行写入,实现了计数等主要逻辑功能;还使用C语言设计了该等精度频率计的主控程序以提高测量精度。本设计实现了对频率变化范围较大的信号进行频率测量,能够满足高速度、高精度的测频要求。

 
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