The principle and method are proposed to compute and measure the ratio of gain to noise temperature of this active array antenna system.
有源阵列天线系统的噪声是有源相控阵雷达系统噪声的主要成分,通过建立基于有源阵列天线系统的噪声分析模型,给出该系统噪声温度的具体计算方法,得到该系统噪声温度的计算公式,进一步推导出该系统增益与噪声温度比值的计算和测试方法。
ratio of gain to noise temperature of an antenna
天线增益噪声温度比
COMPARISON OF CRITICAL PITTING TEMPERATURES FOR OIL INDUSTRY STEELS USING ELECTROCHEMICAL NOISE
电化学噪声方法比较石油用钢的临界点蚀温度
Noise equivalent temperature difference (NETD)
噪声当量温度差(NETD)
The noise temperature is in the most favourable case given by the temperature of the receiver.
理想的噪声温度即是接收机的温度。
Influence of Oil Temperature to Noise of Engine
内燃机润滑油温度对噪声影响的研究
Calculation of Noise Temperature Due to Reflector Antenna Ohmic Loss
反射面天线欧姆损耗噪声温度的计算
A Calculation Method for the Output Noise Temperature of Standard Thermal Noise Source
一种热噪声标准源等效输出噪声温度的计算方法
Pertaining to continuously present, such as" background illumination", " background noise" .
用于修饰或说明连续存在（的状态），比如“背景亮度”，“背景噪声（本底噪声）”。
Comparison of Equivalent Regional Environmental Noise Level in State-Controlled Cities in 2001
2001年度国控城市区域环境噪声等效声级比较
The effects of the eradiating noise on account of the temperature and rate of flow are also studied.
还进行了温度和流量对辐射噪声影响的研究。
Electronic noise of diluted magnetic semiconductor (Ga,Mn) As around Curie point
Curie温度附近稀磁半导体(Ga,Mn)As的电学噪声谱性质
Analysis and processing of abnormality of nosie temperature on the high side for CINRAD/SA radar system
CINRAD/SA雷达系统噪声温度异常偏高的分析处理
The Wide Aperture Temperature Adjusted Noise Source in 10GHz～90GHz
10GHz～90GHz宽口径变温噪声源
Comparison of Noise Reduction Effects for Different Inclinations of Sound Barrier
不同倾斜角度声屏障降噪效果对比研究
The thermal noise of resistance could be overcome by reducing the physical temperature, choosing appropriate working frequency band low noise elements, etc.
可通过降低电路的物理温度、择合适的工作频带及低噪声元件等措施,克服电阻热噪声。
Algorithm of Noise Reduction and Contrast Enhancement for Intravascular Ultrasound Images
血管内超声图像的血液噪声抑制和对比度增强算法
Temperature Effect on Neuron Membrane Ion Channels in a Noise Enviroment;
突触噪声作用下神经元细胞膜离子通道的温度效应
signal to noise and distortion ratio
信号对噪声和失真比
