noise factor
英 [nɔɪz ˈfæktə(r)]
美 [nɔɪz ˈfæktər]
n. 噪声（杂音）系数，杂波系数; 缩写词为NF
双语例句
- This paper fully analysed the noise sources, mainly discussed two extra sources – Spurious Charge and Excess Noise Factor, and calculated the SNR of EMCCD.
详细分析了其噪声来源，重点讨论EMCCD相比普通科学级CCD特有的乱真电荷和噪声因子，计算信噪比。 - The noise factor analyzer's operation principle and the basic noise factor measurement method, Y factor method, are described.
本文提出了利用y因子法测量波导馈线小衰减的一种新方法，阐述了该方法的测量原理、方法和特点。 - The Urban Road Traffic Noise Impact Factor and Spreading Regularity Analysis
城市道路交通噪声影响因素与传播规律分析 - Relationship between the noise factor of microchannel plate and the secondary electron emission coefficient during the first collision
微通道板的噪声因子与首次碰撞时二次电子发射系数的关系 - The noise factor of preamplifier is 1.1 dB.
前放的噪声系数为1.1dB。 - Gear Box Noise Factor and Control
影响齿轮箱噪声的因素及其控制方法 - All-Optical Gain-Clamped EDFA with High Gain and Low Noise Factor
高增益低噪声全光增益箝制EDFA - After introducing a seismic noise factor, analysis on the applied conditions for high-resolution, stack array and enhanced receiving systems is made in the context of optimizing acquisition filters and the method to selecting seismic receiving parameters with a nominal noise level as constraints is also presented.
接着引入地震噪声因素，从野外滤波最佳化的角度分析了高分辨率接收系统、叠加组合法接收系统和强化接收系统的应用条件，给出了以噪声强度为约束条件设计地震接收参数的方法。 - Analysis of the Noise Factor Analyzer
噪声系数分析仪浅析 - Research and Analyze on the Optimum of Receiver Structure by Noise Factor Reassignment
噪声系数再分配对优化无线通信接收机结构的分析研究 - In the meanwhile, with using more accurate expres-sion of the avalanche excess noise factor, we give a relation schema between sensitivity and dark current.
同时，采用了较为精确的过剩噪声系数表达式，给出了灵敏度与暗电流的关系曲线。 - In order to improve picture transmission quality, to reduce users'charge, and to popularize satellite education TV, the effective way is to improve satellite's transmitting power, to develop more efficient receiving antenna, and to reduce the noise factor of receiver system.
文中指出：增加卫星的发射功率，研究高效率的新型接收天线，降低接收系统的噪声系数，是提高图象传输质量，减少用户负担，普及卫星教育电视的有效途径。 - With the whole new method, simple calculation instead of the traditional measures which used to design low noise single-stage negative feedback amplifier, the relations among the transistor data, feedback effect, noise factor, as well as singal resistance are studied.
本文一改过去负反馈低噪声放大器的设计步骤，采用全新的方法&方框图法，确定了负反馈电路中晶体管参数，反馈深度、噪声系数、信号源内阻和工作频率之间的关系。 - Noise factor is very important in the design of mixer.
噪声是设计混频器电路时需要考虑的一个非常重要的问题。 - Dynamical system with stochastic multiplicative noise factor is a special kind of Stochastic Systems.
乘性噪声随机系统是一类含有乘性噪声因子的随机系统。 - Through the introduction of the quadratic effects of the noise factors and their interactions, we extends the GLM which includes the linear effects of noise factor to the second-order response surface, thus proposes a new model and gives the model's parameter estimation and test of hypothesis.
通过引入噪声因子的二次效应及其之间的交互作用，将包含噪声因子线性作用的GLM推广到含有噪声因子二阶响应面的GLM，并给出推广模型的参数估计及其假设检验。 - The idea and method is also available for general noise factor measure calibration and error analysis.
其所涉及的分析思路和方法，对一般的噪声系数测量中涉及的校准和测量误差分析也具有一定的参考价值。 - Compared to measurement data, this method greatly improves accuracy of mesoscopic noise model. In additions, for the first time designers could get the γ equation, which describes how the thermal noise factor γ varies with device terminal voltages.
通过与测试数据的比较，可以证明，这种计算方法不但大大提高了介观导体模型的精确度和适用性，并且首次给出了热噪声系数γ随端电压变化的方程。 - The analysis result indicates that employ of TTA can extend the coverage, decrease RF channel noise factor, and reduce the cost of network construction.
分析结果表明，塔顶放大器可扩大系统覆盖范围，减少射频通道噪声系数，降低组网成本。 - MgO material coated in microchannel plate input channel with suitable dept high secondary emission coefficient, can reduce obviously noise factor.
研究表明，在微通道极输入端通道内蒸镀适当深度的高二次发射系数的氧化镁材料，能显著地降低噪声因子。 - Theoretical analysis of MCP noise factor
MCP噪声因子的理论分析 - Noise Factor and Gain Variation Factor in Photoelectron Multiplied Cascaded System
电子倍增级联系统中的噪声因子和增益起伏因子 - Remote sensing images are vulnerable to noise, so the image segmentation of remote sensing has to consider the noise factor at the same time.
由于遥感图像容易受噪声干扰，所以在对遥感图像进行分割的同时，不得不考虑噪声的因素。 - Robust parameter design and feedback control are two important methods to reduce the influence of noise factor on the process output.
稳健性参数设计和反馈控制是减轻噪声因子对过程输出影响的两种重要方法。 - Therefore, we use quantization noise factor to fix the time domain matching criteria which reduces the influence of lossy compression coding.
所以，本文引入量化噪声影响因子来修正时间域匹配准则，从而降低视频有损压缩编码对检测结果的不良影响。 - From an amendment to the microscopic structure of the noise factor, high frequency transaction based first-order deviation correction on data and adopt a step, an approach could estimate that 600188 YanZhou YCM "realized" volatility.
从修正市场微观结构的噪声因素出发，基于高频交易数据，同时采用一阶偏差修正方法估计了600188即兖州煤业的已实现波动率。 - The noise factor can be used to evaluate the noise features of MCP exactly.
噪声特性是评价微通道板的重要指标，其噪声因子可以比较科学的评价它的噪声特性。 - At the same time, reducing the modulator half-wave voltage, we can improve the link gain and reduce the noise factor, but it will reduce the dynamic range.
同时，减小调制器的半波电压，可以提高链路增益并减小噪声系数，但是却会使动态范围减小。 - Since the composition of the film, the thickness, the atom density, and other parameters of the anti-ion feedback is considered in the simulation process, it can affect the overall noise factor related factors.
由于在模拟计算过程中考虑了防离子反馈膜的组成、厚度、原子密度等参数，所以可以得到影响总噪声因子的相关因素。 - Not only the noise factor of LNA is smaller in low temperature than that in normal temperature, but also the gain increases in a certain extent.
低温低噪声放大器在低温下比常温状态不仅噪声系数大大减小，而且增益也有一定程度的增加。