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- receiver noise temperature 接收机噪声温度
- 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。
- Since you want to reduce noise temperature, a better system has a higher G/T. 如其他媒体、网站或个人从本网下载使用,必须保留本网注明的“稿件来源”,并自负版权等法律责任。
- If logarithmic begining point puts below 10db receiver noise level. It still has constant false-alarm rate characteristics. 如果对数起点选在接收机噪声电平以下10分贝时,它还具有恒虚警特性。
- Familiarity with optical communication concepts such as fiber nonlinearities, polarization dependence, transmitter and receiver noise theory, etc. 熟悉光通信理念,例如光纤非线原理、偏振相关性、发射器、接收器的噪音理论等等。
- G/T - A measure expressed in dB that is the ratio of the net gain (G) of the system and the noise temperature (T) of the system. 免责申明:酷酷英语网转载信息,其目的在于传播更多信息,并不意味着赞同其中的观点、描述和立场。
- Thirdly, it introduces the radar receiver model. This part mostly discusses the structures of STC, AGC and coherent detector, also it gives a simulation means of receiver noise. 然后介绍了雷达接收机模型,主要描述了灵敏度时间控制(STC)、自动增益控制(AGC)、相干检波器的模块结构和建模方法,同时还介绍了接收机噪声的仿真思路;
- The methods to minimize the extra FM noise of LO and the discrimination effect are proposed so that the additional receiver noise can be effectively repressed. 提出了降低本振附加的FM噪声,减小系统的鉴频效应,使整机的附加噪声得以有效抑制的改进措施。
- The diode intrinsic noise temperature of some milimeter Schottky mixer diode was measured and reviewed. A measurement method was described at room and cooled temperature. 本文对一些毫米波肖特基势混频二极管本征噪声温度进行了测试和分析。介绍了在常温和致冷下混频二极管本征噪声的测试方法。
- Commercial GaAs pHEMT transistors, Agilent ATF-35143, were used in this 2-stage amplifier. At a physical temperature 15K the amplifier achieves noise temperature between 3.2K and 3.8K over 1600MHz to 1740MHz band. 该放大器采用了Agilent 公司ATF-35143 假晶高电子迁移率场效应管(pHEMT),为两级级联结构,频率范围1600MHz~1740MHz。
- The results indicated that the receiving system gain is increased by 0.25 dB/K and E b/N 0 is improved by 0.7 dB with 10 -7 BER, when the gain of Chinese produced LNA is 9.8 dB better and the noise temperature is 4 K lower than import LNA. 结果表明,国产LNA比进口LNA的增益提高9.;8dB,噪声温度降低4K,接收系统增益改善约0
- Receiver Noise and the Signal-to-Noise Ratio 接收机噪声和信-噪比
- Two sensors on two sides of leaking point can magnify the received noise signal and send it wirlessly through transmitter to correlator's mainframe. 置于漏点两侧的两个传感器可放大接收到的漏水噪声信号,并通过发射机以无线电方式传送给相关仪主机。
- equivalent receiver noise bandwidth 等效接收机噪声带宽
- ratio of gain to noise temperature of an antenna 天线增益噪声温度比
- equivalent satellite link noise temperature 等效卫星线路噪声温度
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- GT ratio, gain to noise temperature ratio 利得対雑音温度比
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。