antenna noise
英 [ænˈtenə nɔɪz]
美 [ænˈtenə nɔɪz]
网络 天线噪声
双语例句
- The general trailing antenna have some disadvantages, such as large noise, low efficiency and shallow communication death so on.
常规拖曳天线通信存在噪声大、效率低及通信深度浅等缺点，从而严重影响潜艇战斗性能的发挥。 - Noise due to antenna ohmic loss is important in ultralow noise system.
在超低噪声系统中，天线欧姆损耗噪声也是很重要的。 - Antenna system noise temperature and antenna efficiency are the most important items in the system debugging and checking before the VLBI observation.
在流动VLBI的观测试验中，天线系统噪声温度和天线效率是观测前系统调试和检测的两项重要内容。 - Disconnect the antenna from the radio and observe the interference noise.
断开收音机天线，注意观察干涉噪声情况。 - This text analyzes the reason of Motion-Induced Noise, finds the relationship between noise ENF and antenna mechanism performance, antenna sensitivity, finally provide means to reduce this noise.
针对运动感应噪声的原理进行了分析，得出了噪声ENF与天线机械性能、天线灵敏度之间的关系，并由此提出了降低该噪声的途径。 - Novel effective and high-power resource of millimeter wave, media antenna, integrated antenna, low noise chip of receiver come to being, and the technique of millimeter wave changes greatly, consequently its application scopes are widened.
新型高效、大功率毫米波功率源、介质天线、集成天线、低噪声接收机芯片等相继问世，使毫米波技术发生了巨大的变革，并且大大地拓宽了它的应用领域。 - The dual beam feeding source system that is used on the transform of arbitrary feedforward satellite station and 3m dual beam satellite receiver antenna which the gain high, minor lobe small and noise low are developed.
研制出的双波束馈源系统，可用于任意前馈卫星站的改造；3m双波束卫星接收天线增益高、副瓣低、噪声小。 - Depending on this scheme, the design of active integration between the rectangle microstrip probe-fed antenna and the front end low noise amplifier was performed.
依照此方案，设计并实现了一个背馈结构的矩形微带天线与前级低噪声放大器电路的有源集成。 - Finally, a series of experimental studies is made on the proposed polarization-agile active microstrip antenna witha low noise amplifier ( LNA).
第四，完成了独创的具有极化捷变功能并带有低噪声放大器（LNA）的有源微带天线阵的设计与研制，并进行了一系列实验2000年上侮大学博士学位论文研究。 - 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。 - 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。 - The expressions show that the average brightness temperature of antenna aperture relates with three factors: coefficient of useful area for antenna, noise temperature of noise sources and reflective coefficient of noise sources.
该式表明，无耗天线口面的平均亮温度仅与三个因素有关：噪声源的噪声温度，噪声源的反射系数和天线的面积利用系数。 - 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。 - 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。 - This paper presents an idea for the average brightness temperature of antenna aperture and its expression for a lossless antenna with matched and unmatched noise sources.
本文提出了天线口面平均亮度的概念，给出了天线终端接有匹配噪声源和非匹配噪声源时天线口面平均亮温度的表达式。 - The signal given by the antenna of spaceborne microwave radiometer is a wide band noise power signal.
星载微波辐射计的天线提供的是宽带噪声功率信号。 - The Analysis of Antenna Noise Temperature During Solar Radiating Disturbance
日凌时天线噪声温度分析 - Based on an antenna elevation mechanism, this paper analyzeses the reasons for transmission noise, and presents methods to reduce the noise.
本文结合具体无线俯仰机构，分析传动噪声引起的原因，论述减小噪声的方法。 - 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。 - Simulation and Experimental Research of H-field Antenna Magnetostrictive Noise
磁场天线磁致伸缩噪声的仿真实验 - Measurement of VLF transmitting antenna impedance in intensive atmospheric noise
强噪声环境下测量甚低频天线阻抗方法的研究 - According to the above cases, we propose the particle filtering-based time-varying multi-path blind channel equalization and single antenna interference cancellation algorithms, respectively. We consider Alpha-stable distribution noise as the additive noise, and use Gaussian distribution to approximate it.
针对以上情况，本文分别提出基于粒子滤波的时变多径信道盲均衡算法和单天线干扰消除算法，考虑Alpha稳定分布噪声作为叠加噪声，并对其进行高斯近似。 - 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。 - 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。 - 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。 - 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。 - 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。 - It is possible to be in despair even if using maximum antenna apertures and lower receiver noise temperatures such as in Deep Space Network and military communication.
例如深空通信和军事通信中，即使采用最大口径天线和最低噪声温度接收机也可能难以实现信号的有效接收。 - 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。 - Using pattern reconfigurable antenna can improve system gain, enhance communication security, avoid noise interference and save energy.
方向图可重构天线可以较好地改善系统增益，提高通信安全性，避免噪声干扰，同时通过定向辐射、接收也可以节约系统能量。