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

The effect of channel thermal noise can 't also be neglected .

部分边带 干扰及多径 干扰严重 降低了系统的 性能，而信道 热 噪声的影响也不可忽略。

The square voltage was used to describe thermal noise voltage in determination .

热 噪声电压通常采用均方值定量描述。

The utility model has the characteristics of light weight small dielectric gain loss low dielectric thermal noise temperature small input voltage standing wave ratio etc.

本实用新型具有重量轻、介质增益损失小，介质 热 噪声温度低、输入电压驻波比小等特点。

Mostly analysis the noise behavior of mechanical thermal noise in the open loop system and close loop system along with the dynamic range of the open loop system and close loop system the noise of capacitive micro accelerometer is dominated by the magnitude of mechnical thermal noise ;

主要分析了机械 热 噪声在开环系统和闭环系统中的噪声特性以及开环系统和闭环系统检测的动态范围，提出电容式微加速度计的噪声主要由机械热噪声的大小决定；

The transistors have various noise sources including the thermal noise flicker noise shot noise etc. .

晶体管具有各种噪声源，包括 热 噪声、闪烁噪声、散粒噪声等。

With thermal noise and flicker noise emphasized .

重点讨论了闪烁噪声和环路成型的 热 噪声。

The shot noise and thermal noise with homodyne demodulation technique is given in this article . And phase noise induced with different time delay is also analyzed .

给出了采用零差解调技术时干涉系统的散粒噪声和 热 噪声，并且分析了在不同时间延迟情况下的相位噪声。

The analysis shows that this sensor has lower thermal noise .

对 陀螺 噪声 特性进行的分析表明，该陀螺具有相对很低的 热 噪声。

There must be a threshold of thermal noise .

必有一个 热 噪声的门限值。

Also Pilter cooler technique are used to keep the temperature of CCD chip about - 20 ℃ reducing the thermal noise .

在系统中使用了半导体致冷片和反馈电路构建了致冷电路，使CCD的温度保持在-20℃以减少 热 噪声；

The noise mainly comes from the thermal noise of resistors and the flicker noise of MOSFETs .

接收机中的噪声主要是电路中电阻的 热 噪声和MOS器件的闪烁噪声。

Topics include Brownian motion thermal noise information theory entropy and the author 's personal view of Maxwell 's Demon .

其中包括有布朗运动， 热 噪声，信息理论，熵和作者本身对麦克斯韦妖的看法。

This formula has been applied to determine the available noise temperature of the thermal noise standard source .

该计算式已被用于确定 热 噪声标准源的资用噪声温度。

Optimization programs concerning higher sensitivity and lower thermal noise are proposed .

在理论分析基础上，分别从提高灵敏度和降低 热 噪声两个方面提出传感器的优化方案。

The proportional navigation ( PN ) guidance error caused by angular noise ( thermal noise ) arid glint effect in radar seeker receiver is studied .

研究了雷达导引头接收机中的角噪声（ 热 噪声）以及目标闪烁对比例导引制导精度的影响。

Other impairments like thermal noise impulse noise and cross talk also cause further distortions to the received symbols .

其他的损伤如 热 噪声，冲击噪声与互耦也使接收符号产生进一步的失真。

Fokker-Planck equation of distribution probability of the laser field with the presence of shot noise and thermal noise is derived .

推导了在散粒噪声和 热 噪声存在时激光场几率分布的Fokker-Planck方程，得到了计及噪声时聚束和反聚束的判据。

Under the condition of the long-wavelength the thermal noise is the dominant limitation of the detector sensitivity .

在长波长的情况下， 热 噪声将是探测器灵敏度的主要限制。

As to the method based on oscillator the resistor thermal noise is effectively added to improve phase jitter and a bandgap reference is introduced that improves the system robustness .

在基于振荡器的方法中，有效地增加了电阻 热 噪声以提高相位抖动，并引入了带隙基准，提高了系统的鲁棒系。

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。

Thermal noise and wind gust are the most significant random disturbances to radar angle tracking .

热 噪声和阵风是雷达角跟踪系统中的两个主要随机干扰源。

Authors studied the influences of thermal noise on the I-V characteristics and Shapiro step of Josephson junctions by numerical simulation .

采用数值仿真的方法研究了 热 噪声对约瑟夫森结I-V特性及微波感应台阶的影响。

The effect of the measurement error produced by error source thermal noise and high dynamic of the receiver carrier is analyzed ; the best bandwidth of each loop in design is given .

分析了伪码载波跟踪环中误差源 热 噪声和接收机载体动态性对环路测量误差的影响，给出了各环路设计的最佳带宽。

Second the noise of double balanced mixer was analyzed which involved analysis of low frequency flicker noise and high frequency thermal noise .

接着对双平衡混频器的噪声进行理论分析，包括低频闪烁噪声和高频 热 噪声。

The noise of capacitive micro accelerometer include mechanical thermal noise and electrical thermal noise ;

电容式微加速度计的噪声包括机械 热 噪声和电热噪声；

Analysis of thermal noise of submarine towed SQUID antenna

潜艇拖曳SQUID天线 热 噪声分析

The main noise of the circuit comes from the thermal noise and flicker noise .

微机械陀螺主要噪声来源于电路 热 噪声和闪烁噪声。

We consider the effects of multipath interference thermal noise path loss processing gain and voice activity factor .

考虑了多径干扰、 热 噪声、路径损耗、处理增益和语音激活因子的影响；