Those creatures have long had four-color vision, but a key difference is that their fourth type of color detector is in the high-frequency ultraviolet range, beyond where humans can see.
这些动物早已拥有四色觉，但关键的区别是，他们的第四种颜色位于高频的紫外线区域，在人类可视范围之外。
This new way bases on the principle of pyroelectric detector and defines the quantity of compensation according to the temperature difference between target and its surrounding.
这种方法是根据热释电探测器的工作原理，以被测物体与环境温度的差值作为参考量，根据其差值的大小确定补偿量的多少。
In this system the detected signal difference between two neighbouring instantaneous times is served as the effective signal, and the system noise points at the detector noise.
它将相邻两瞬时所检测到的信号差值作为有效信号值，系统噪声则是探测器噪声。
This paper introduces a noninvasive infusion leakage detector together with the measurement technique of surface temperature difference.
本文介绍一种用体表温差测量技术的无损输液漏液监测仪。
According to the difference in temperature between thermal wake and seawater, the operation range of the detector to thermal wake was calculated.
并根据热尾流与周围海水的平均温度差计算出红外探测器对潜艇热尾流的作用距离。
Algorithms based on DMMSE (Difference minimum mean square error) criterion of adaptive multi users detector for short spreading sequences DS CDMA systems is proposed.
给出了基于差分最小均方误差(DMMSE)准则的短扩频序列ds- CD MA自适应多用户检测算法。
When detected by the revolving detector, the change of the water content in slurry results in the difference of resistance torque and correspondingly the rotate speed changes.
利用旋转式检测头测量料浆的水分含量时，料浆水分含量的变化可引起检测头所受的阻力矩发生变化，其转速也会发生相应改变。
Therefore, there is always a difference between the medium temperature and the threshold temperature of the infrared detector.
因此，总有媒体之间的温度和红外探测器的门槛温差。
Accurate and reliable photoelectric weft count detector. Problem of weft length difference is solved by computerized coil amount and Angle control.
光电式纬量探测装置，准确可靠。微电脑智能化的圈数，角度控制能有效解决长工短纬。
The difference between Z. bungeanum Maxim. and Z. sdiinifolium Sieb. et Zucc. were analyzed by UV detector. This method is promising in the finger printing of Zanthoxylum alkaloids.
对生物碱提取液在紫外扫描图谱的基础上分析了花椒和青花椒生物碱的差异，有望将此紫外图谱应用到不同品种花椒生物碱的指纹图谱上。
In the if signal processing of the LAU, this paper invents a kind of phase detector that can reflect the phase difference accurately.
本地天线单元中的中频信号处理时，设计了一种可精确反映相位差的鉴相器。
Before the design of digital circuit, measurement method of phase difference is discussed. Two-way zero passage phase detector is chosen as solution finally.
在正式进入数字电路设计之前，先讨论了相位差测量方法，并选定双向过零鉴相作为实现方案。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
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