This expression may be used as an indirect testing method of noise equivalent bandpass.
该表达式可用作噪声等效带宽的一种间接测试方法。
The Noise Equivalent Temperature Difference(NETD)is a main function parameter of infrared imaging systems.
噪声等效温差是红外热成像系统主要性能参数之一。
The Noise Equivalent Temperature Difference(NETD) is a widely used performance parameter that characterizes the sensitivity of infrared imaging systems.
噪声等效温差是一个用以标志红外热成像系统灵敏度的广泛使用的参数。
Several factors that affect the accuracy of noise equivalent temperature difference(NETD)are demonstrated according to the equation of NETD of the infrared imager under pulse bias.
根据处于脉冲偏置的红外热像仪的成像过程，分析了影响非致冷热像仪NETD的几个因素。
According to the request of the technique, the main parameters of noise equivalent temperature difference and minimum resolvable temperature difference were analysed and calculated.
根据技术指标的要求，对噪声等效温差、最小可分辨温差等主要参数进行了详细的分析与计算，证明了红外热成像系统设计的合理性。
Several factors that affect the accuracy of noise equivalent temperature difference (NETD) are demonstrated according to the equation of NETD of the infrared imager under pulse bias.
根据处于脉冲偏置的红外热像仪噪声等效温差的表达式，分析了影响噪声等效温差的几个因素。
Uncooled bi-material infrared detectors have the potential of approaching the theoretical limit of noise equivalent difference in temperature because of its high sensitivity and low noise.
非致冷双材料室温红外探测器具有高响应率和低噪声的特点，噪声等效温差接近理论极限。
In the Canadian study volunteers carried out tasks while listening to levels of noise varying from 53 decibels (equivalent to an office environment) to 95 decibels (equivalent to an oil rig).
在加拿大的研究中，志愿者们边开车边听不同分贝的音乐，从53分贝(相当于办公室的声音环境)到95分贝(相当于石油钻探时的声音环境)不等。
Blocking the quorum sensing system would be equivalent to using white noise to interfere with spoken communication, Blackwell adds.
干扰群体感应系统就相当于用白噪音去阻扰口头通讯。
Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of Muzak. So if you really want to remember what you have just heard.
有时，电台或电视所播放的语言只是背景噪音，是与音乐传送带相对应的语言现象。
The sound produced by the vacuum cleaner amounts to about 68 decibels, equivalent to the noise level of a normal conversation.
这种吸尘器制造的音量大约在68分贝，相当于稍微大声点的普通谈话音量。
Conclusion the average equivalent sound level maybe as comprehensive index to evaluate the noise hazard in industrial enterprises.
结论平均等效声级可以作为评价和比较工业企业的噪声危害程度的综合指标。
Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of Muzak.
有时，电台或电视所播放的语言只是背景噪音，是与音乐传送带相对应的语言现象。
Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of muzak .
有时候，电台或电视台上的话语仅为一些背景噪声似的东西，语言学上叫着背景助兴音乐。
Aiming at the traffic noise problem of Lhasa, the author USES artificial neural network theory and method to predict the equivalent consecutive sound level of traffic noise in Lhasa.
针对拉萨市道路交通噪声污染问题，运用人工神经网络理论和方法对拉萨市道路交通噪声的等效连续声级进行预测。
For maximum exceed noise ratio generated, circuit structure to match the equivalent circuit diagram of the solid-state noise diode in avalanche breakdown state has been designed.
根据固态噪声二极管在雪崩击穿状态的等效电路，设计出与之匹配的电路结构，以实现超噪比的最大输出。
In this paper, the active direction finding principle based on noise is discussed in theory, and the results of simulation and equivalent experimentation show its validity.
本文从理论上阐述了基于噪声的有源测向原理，仿真分析和等效试验分别验证了噪声有源测向原理的正确性和有效性。
Then use this model to predict equivalent continual sound level of road traffic noise, the fluence factors as the traffic flowing and the equivalent acoustic levels were output.
并运用该模型预测道路交通噪声的等效声级，把预测因子作为样本输入到网络模型，噪声等效声级作为样本输出。
On the research of traditional phase noise measurement methods, a new phase processing and phase noise measurement method based on Equivalent phase Comparison Frequency is proposed in this paper.
本论文在对传统相位噪声测量方法研究的基础上，提出了基于等效鉴相频率的相位处理和相位噪声的测量。
The performance of a digital receiver will be changed significantly when the equivalent noise temperature of the A/D module rises to hundred thousands degrees.
等效噪声温度高达数十万度的A/D模块，引起了数字接收机性能的深刻变化。
Results The equivalent sound levels (LAeq) were qualified in spite of higher background value of noise in this areas.
结果该区域背景噪声值较高，但其等效声级达标。
The equivalent disturbing current, which determines the harmonic interference noise in nearby telephone circuits, is studied systematically.
对衡量直流输电线路电话干扰水平的等效干扰电流标准进行了系统的研究。
More significance, this technique is used for restraining speckle noise in synthetic aperture radar images successfully in equivalent number of looks and ratio images.
作用于合成孔径雷达图像中的相干斑抑制时，不论从视觉效果还是等效视数和比值图等衡量指标上都取得了较好的效果。
Based on the equivalent circuit model of a two-port optical receiver front-end, the relationship between the equivalent input noise current spectral density and the noise figure is analyzed.
根据光接收机前端等效电路模型，建立了噪声系数与等效输入噪声电流谱密度的关系。
On the basis of the quantum theory, the optical energy and various noise of CCD could be converted to equivalent electric charges, and then the facular detection model of CCD was proposed.
以量子理论为基础，把激光能量和各种CCD噪声都转换为等效电荷，在此基础上建立了CCD光斑检测模型。
It is proved in this paper that this equivalent noise model is neither equivalent to the original one nor measurable.
本文证明，这既不是相当于原来也没有可衡量的等效噪声模型。
It is proved that long sequence FFT analysis can suppress noise therefore improve SNR, which is equivalent to time accumulation.
从数学上证明了长序列fft分析可实现噪声抑制，从而提高信噪比，其实质相当于时间积累。
The problem of switching noise is analyzed in detail and analog filter between APF and power system is designed according to the equivalent circuit of compensation part.
详细分析了所选方案存在的开关噪声成因，并且建立了补偿环节的等效电路，据此完成了有源滤波 器与系统连接处的模拟滤波 器的设计；
This paper proposes a method so that each of the navigation track error, speed error and heading error can be equivalent as an additive measurement noise.
本文提出了把航迹、航速和航向误差等效为附加的测量噪声的方法。
This paper proposes a method so that each of the navigation track error, speed error and heading error can be equivalent as an additive measurement noise.
本文提出了把航迹、航速和航向误差等效为附加的测量噪声的方法。
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