等精度测量

给出了去噪电路、控制电路和等精度测量电路的VHDL代码。

A noise removal circuit , control circuit and the VHDL codes of the circuits are presented .

选用FPGA芯片通过VHDL编程实现，提高了测频系统的稳定性，可实现频率、周期、脉宽和占空比的等精度测量。

This design uses FPGA chip and VHDL program to improve the stability of frequency detecting system and realize equal precision measurement of frequency , period , pulse width and duty ratio .

本气压高度测量系统中的前端传感器频率信号5k到10kHz，修改相应寄存器参数字长就可以应用于不同频率范围的等精度测量。

The frequency from the front sensor is within 5k to 10k Hz in the air pressure altitude measurement in the paper . So it is convenient to implement the different frequency measurement by updating the length of the corresponding registers .

中低频信号的等精度测量

Equal - Accuracy Measurement Method for Medium Frequency Or Low Frequency

非等精度测量条件下的一元线性回归

The one - variable linear regression in non - weighted measurement

另一种方法是采用等精度测量系统。

Another is applyed " Equal precision measuring system " .

等精度测量均方根偏差计算方法的探讨

Study on Calculation Method about RMS Deviation of Equal Precision

电池电动势和内阻的非等精度测量

Unequal Precision Measurement of EMF and Internal Resistance of Cell with Potentiometer

相比传统的测频法和测周法，多周期同步测频法可以实现整个测量频段的等精度测量。

With synchronous multi-cycle frequency measurement , equal precision measurement can be realized at whole .

对于不等精度测量，只需要转化为等精度测量即可。

In the unequal accuracy measurement , the data can be converted into equal accuracy data .

利用等精度测量原理实现了频率的测量。

A digital frequency meter designed by using equal precision measurement , have realized the frequency measurement .

文章还对某些测量技术著作中介绍的等精度测量数据处理提出了异议。

It also raises some questions about the data processing of the precision measurement introduced in some books on measurement technology .

本装置采用专用芯片，实现多种电压等级全范围等精度测量，同时输入阻抗高，不影响原车的绝缘状况；

It use special chip to realize full-range and equal observations for different voltage rate , without additional insulation faults for high input impedance .

给出了非等精度测量条件下的一无线性回归方程中回归系数的确定方法和相应方差的分析关系。

Giving a method to decide the regression coefficients of one - variable linear regression in non - weighted measurement , and the relation of their variances .

利用CPLD设计高速等精度频率测量仪

Design of high speed and equal precision cymometer through CPLD

基于CPLD和VHDL的等精度频率测量

Frequency measurement with constant-precision based on CPLD and VHDL

根据等精度频率测量原理，分析了测量精度与频率测量闸门时间的关系，设计了基于CPLD和VHDL的频率测量模块，给出了MUX+PLUSⅡ软件仿真结果。

The relationships between frequency measurement gate-time and precision are analyzed according to the principle of constant-precision frequency measurement . The module of frequency measurement based on CPLD and VHDL is designed . And the simulating results using MUX + PLUS II are given .

自适应等精度频率测量方法与实现

New Measurement of Digital Frequency Based on Auto-Adapted and Equal-Precision Technique

热连轧机中的等精度转速测量系统

The Rotation Speed Measuring System of Equal Precision in Tandem Hot Mill

基于PC机的等精度频率测量仪器的设计

The Design of Computer-Based Frequency Counter Using the Method of Equally Accurate Measurement

等精度频率测量技术在单片机系统中的应用

Application of Equal Precision Frequency Measurement in the System of Computer on Slice

并介绍了一种进行等精度数字测量频率的硬件实现方案。

It introduces the hardware construction method of equal precision digital measurement frequency .

等精度频率测量方法

The Equal-precision Frequency Measuring

等精度的测量方法不但具有较高的测量精度，而且在整个频率区域保持恒定的测试精度。

The equal-accuracy measurement not only has higher measuring precision , but also can keep invariable measuring precision in whole area of frequency .

以汽轮机内蒸汽湿度的准确测量为目的，设计了基于微波谐振腔微扰法的蒸汽湿度测量系统：自动频率跟踪系统和等精度频率测量系统。

A wetness measurement system based on cavity perturbation method is designed for precise measuring , including automatic frequency tracing system and equal precision frequency measurement system .

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；

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 ;

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。

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.

通过FPGA和单片机构成的双片系统，实现相位等精度恒误差测量。

Dual-chip system from FPGA and single-chip computer fulfils the phase measurement with equivalent accuracy and constant error .

基于同步周期扩展的宽范围等精度快速频率测量方法的研究

Research on Wide Range Equal Accurate High-speed Measuring Frequency Based on Synchronization Cycle Expansion

星体标校系统是实现跟踪测量设备外场精度标校和误差调整的方法之一，广泛应用于光电经纬仪、雷达等高精度跟踪测量设备中。

The star calibration system , which is one of methods to calibrate precision and adjust tolerance of tracing and measuring devices in fields , has been widely applied to high precision tracing and measuring devices such as photoelectric theodolites , radars , etc.