zero reference

In the repeatability tests the zero reference is basic.

零点的测量对于可重复性测量是最基本的.

In this scheme, zero reference watermark is defined based on quantization function.

该方案基于量化函数定义各水印通道的零参考水印.

the determination of absolute altitudes on the moon meets with difficulties because of the lack of a definite zero reference.

月球上绝对高度的测定因为没有一个固定的参照零点，颇有困难。

Acoustics& Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise

GB/T4854.4-1999声学校准测听设备的基准零级第4部分：窄带掩蔽噪声的基准级

with the development of micro fabrication and nano technology, the demand for ultrahigh resolution positioning is becoming more and more important. it is also very important to provide a zero reference signal for absolute measurement in these areas.

随着微电子工业和纳米加工技术的飞速发展，对超高精度的定位基准的要求也越来越高，绝对坐标系下的参考基准是非常重要的。

An ultra-low voltage, low power current reference was presented based on zero temperature coefficient ( ZTC) bias point and temperature compensation.

利用零温度系数偏置点技术和温度补偿技术设计了一个超低压、低功耗的电流基准源。

lithography alignment technology based on two-dimensional zero reference grating by transmission-reflection

基于透反式二维绝对零位光栅的光刻对准技术

The level at the reference point is zero.

参考点的电平是零.