端点精度由片内失调与增益校准来保证,此校准程序可使器件的零电平与满量程误差降至最小。
Endpoint accuracy is ensured by on-chip calibration of offset and gain. This calibration procedure minimizes the part's zero-scale and full-scale errors.
所以,为了尽量降低误差,最好使用尽可能低的电压源量程。
Therefore, it's best to use the lowest possible voltage source range in order to minimize error.
研究了应变仪在使用过程中需要扩大量程时常用的几种方法,同时分析了几种方法的误差。
Some methods are developed to extend the measure bound of the strait gauges in use. And the errors of these methods are analyzed.
在有这种动态误差的情况下,可通过降低试验速度,或通过提高输出装置的满量程读数,来降低加速度和速度。
In a case, with the dynamic error can be reduce the test speed, or by raising the output device of a full scale reading, to reduce the acceleration and speed.
预期使用要求包括:量程、分辨率、最大允许误差等。
The requirements for the intended use include such considerations as range, resolution, maximum permissible errors, etc.
门控积分器与示波器测量对比,最大误差小于门控积分器满量程的5%。
The maximum error between the integral results of the gated integrator and of oscilloscope is less than 5% of the scale range of the gated integrator.
如果使用双相位锁相放大器测量交变的被测量,误差将减小到全量程的0.4%以内。
By using a double phase lock in amplifier to measure the AC strain, the measurement error can be decreased to 0.4% of the total measurement range.
通过误差分析提出电路元器件的选取,讨论了量程扩展的方法。
Bring forward how to choose of circuit element through error analysis and the method of patulous measure rule was discussed.
采用电荷耦合、提高放大倍数、降低量程等误差修正技术,提高了系统抗干扰能力和温度、压力测量数据的精度;
The robustness of system, the precise of temperature and pressure are observably improved as charge coupled, increase the amplification constant, decrease measure scope, etc.
目前广泛采用的人工插杆目测误差大、不便于连续监测且不利于自动化测量程度的提高。
Currently widely used artificial plunger visual error, it is not convenient for continuous monitoring and not conducive to the improvement of automated measurement of the degree.
引入微机使得测量程序编写由原来复杂的手工编写转变为微机交互界面操作,并使复杂的综合误差补偿成为可能。
With the computer, the complex manual programming is replaced by computer interface and automatic generation measuring program, the complex computation becomes possib…
引入微机使得测量程序编写由原来复杂的手工编写转变为微机交互界面操作,并使复杂的综合误差补偿成为可能。
With the computer, the complex manual programming is replaced by computer interface and automatic generation measuring program, the complex computation becomes possib…
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