antenna noise
英 [ænˈtenə nɔɪz]
美 [ænˈtenə nɔɪz]
网络 天线噪声
双语例句
- Suitable increasing the electron density can reduce the antenna noise, but the increase of electron temperature causes excessive thermal noise, which should be considered in a half way.
适当增大电子密度可增加天线信噪比，但电子温度的增长会导致天线热噪声过大，需要折中考虑。 - This model effectively reflected the antenna effect, non-uniform channel, scanning geometric distortion, system noise respectively. This model laid the theoretical foundation both for system design and image restoration such as super resolution. 3.
该模型有效反映了天线降晰效应、通道非均匀效应、扫描几何畸变、系统噪声对系统成像的影响，为成像系统设计奠定了理论基础，为超分辨等图像复原算法提供了依据。 - Three subjects-UWB radar antenna, UHF/ VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。 - The result shows that although their channel side information are different at transmitter and receiver, as well as power allocation and coding, the decreasing of the outage probability of multiple transmit antenna systems is similar when signal to noise ratio is creased.
分析表明，虽然各种多发射天线方法根据其接收机和发射机所获得的信道信息不同，采用不同的功率分配算法和发射编码准则，但其中断概率随信噪比的增加呈现相似的渐进性能。 - The gear drive is widely used in the radar antenna mounting transmission system, at present to high speed, low noise, the light quality, the precise direction is developing.
齿轮传动在雷达天线座传动系统中被广泛采用，目前正向着高速、低噪、轻质、精密的方向发展。 - It is commonly used in front-end receiver, with the major role to enlarge the air antenna to receive the weak signal and reduce noise to demodulate the data.
其一般用于接收机的前端，主要作用是放大天线从空中接收到的微弱信号，降低噪声干扰，供系统解调出所需的信息数据。 - With the research development in antenna area, Smart Antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers 'sight.
随着天线领域研究的进展，一种可以动态调整天线方向图，有效跟踪有用信号，抑制干扰和噪声的天线系统&智能天线系统，进入了研究者的视野。 - As a part of radar receiver, the X-band receive front-end mainly complete the function that translate the weak RF signal from the antenna system to the corresponding middle frequency signal, assure proper dynamic range, low noise figure and STC.
此X波段接收前端作为雷达接收机的一部分，主要完成将雷达天馈系统接收到的微弱射频回波信号转变为相对应的中频信号，同时保证一定的动态范围、噪声系数及完成STC控制处理。 - A new model of dealing with solar radiating disturbance is put forward and a systematic explanation to the antenna noise temperature analysis in case of solar radiating disturbance is made.
在提出日凌干扰处理新模型的基础上，根据太阳视面与天线主瓣半功率点截面的相对运动关系，系统阐述了日凌时天线噪声温度的分析方法。 - Pattern reconfigurable antenna can be used to avoid noise sources, improve system gain and security, save energy by directing signals only towards the intended direction.
方向图可重构天线可以避免噪声干扰，提高系统增益和安全性，定向辐射信号可以节约能量等。