carrier noise
英 [ˈkæriə(r) nɔɪz]
美 [ˈkæriər nɔɪz]
网络 载波噪音
双语例句
- In this papers, we analysed comprehensively the noise of CATV system incorporating Erbium Doped Fiber Amplifier, and derivated out of calculating Carrier Noise Ratio ′ s equations for such CATV system.
介绍了利用CATV分析仪，通过测量光放大器引起的系统载噪比劣化来推算光放大器噪声系数的方法，给出了噪声系数与载噪比劣化之间的关系。 - The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp ( tt/ Pw) Multiply by Carrier with Uniform Phase Noise.
单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。 - Wires in electronic cabinet, the carrier of signal and energy, are also the carrier of noise and medium that external noise inroaded.
作为信号和电能载体的导线，同时也是噪声的载体和外来噪声侵入设备的媒体。 - Au to matic Measurement of Carrier to Noise Ratio for Magne to-Optical Disks
磁光盘片载噪比特性的自动测试方法 - An algorithm for measuring carrier to intermodulation noise ratio in a satellite transponder
卫星转发器载波互调噪声比的工程计算 - Power line carrier noise interference generated by the converter valve in Xingren converter station
兴仁换流站换流阀噪声对电力线载波系统的干扰 - Rational selection and usage of carrier to noise ratio in CATV headend is discussed in this paper so as to ensure cost effectiveness and reliability of the trunk transmission system and improve the efficiency in distribution network.
文章讨论了CATV系统前端载噪比（C／N）H指标的合理选取及合理利用。从而保证干线传输系统的性价比、可靠性和有效提高分配网络的效率。 - This paper discusses and analyses in detail the mechanism of speech signal companding, reveals the relationship between the companding advantage and the dynamic range of the speech signal levels, present quantitatively the companding advantage that varies with carrier to noise ratio.
本文对压扩增益的微观机理作了较详细的讨论，揭示了压扩增益和信号动态范围分布的关系，定量给出压扩增益与信道载噪比的关系。 - The production and effects of cross polarization interference on TES telephone earth station were analysed. The analytical algorithms for the effects of cross polarization interference on carrier to noise ratio were got, in satellite link, and used to practice system.
对云南TES电话地球站交叉极化干扰的产生及影响进行了测试分析，得出卫星链路中交叉极化干扰对载噪比的影响程度的分析计算法.并应用于实际系统中。 - Analyze of SNR and Bit-error Performance of QPSK Affected by Carrier Phase Noise
本振相位噪声引起QPSK信号信噪比降低的分析与仿真 - This paper gives an example of Ku band satellite communication link budget, and discusses the relationships between satellite gain, EIRP, carrier/ noise and other performances. Furthermore, the selection of the link parameters is analysed.
本文举例说明在一个Ku频段卫星通信链路中，卫星增益、EIRP、载波/噪声比等之间的关系，并对Ku频段卫星通信链路的参数选择进行分析。 - Multi-level Quadrature Amplitude Modulation is very sensitive to carrier phase noise.
多电平QAM调制对载波的相位噪声非常敏感。 - Comparison between simulation and experiment proves that this approach is very suitable for nonlinear microwave CAD and can be used very efficiently to predict accurate near& carrier phase noise around fundamental and harmonics of the oscillators.
CAD分析与实验结果表明，此法可精确有效地分析振荡器输出基波及各次谐波附近的近载相位噪声分布特性，且适用于非线性微波CAD。 - The carrier to noise ration ( CNR) at various recording rates for the CD R disc made with the dye have been tested at different recording powers and frequencies.
测定了用该染料制成的光盘在不同记录功率和记录频率下，不同记录速度的载噪比（CNR）。 - The carrier-to-noise ratio of CATV system
CATV系统的载噪比 - Analysis on Carrier to Noise Ratio and CTB
载噪比与复合三次差拍比的讨论 - We bring forward a new narrow band signal detection algorithm based on the analysis of CNR ( carrier noise ratio) of uplink in UHF ( ultra highfrequency) band and make theory deduce together with algorithm simulation.
在分析UHF频段卫星上行链路载噪比的基础上，提出了一种窄带信号检测算法，并对算法进行了理论推导和算法仿真； - Accuracy considerations in the G/ T value measurement of the earth station using carrier to noise ratio direct method
载噪比直接法测量地球站G/T值的精度研究 - On the basis of carrier noise power density rate ( C/ N0) of GPS receiver, it analyzed the influence of suppressed jamming to carrier phase measuring accuracy of GPS receiver.
主要以GPS接收机的载波噪声功率密度比（C/N0）为基础，分析压制干扰对GPS接收机载波相位测量精度的影响。 - The effect on modulation and demodulation of QPSK via carrier phase noise can not be ignored, and it is difficult to analyze.
载波相位噪声对QPSK调制解调的影响是不可忽略的，也是难以分析的。 - The influence of jamming to pseudo-range measurement precision of GPS receiver is analyzed on the basis of density ratio of carrier noise power of GPS receiver according to the theory of GPS receiver pseudo-range measurement.
本文根据GPS接收机伪距测量的原理，以GPS接收机的载波噪声功率密度比（C/N0）为基础，分析压制干扰对GPS接收机伪距测量精度的影响。 - Then, the effect on carrier-to-noise ratio with frequency offset is discussed.
讨论了频率偏差对系统载噪比的影响。 - Selection of carrier to noise ratio in CATV headend
浅谈CATV前端载噪比C/N指标的选择 - An analysis of measurement methods of carrier to noise ratio for magneto optical disks
磁光盘载噪比测试方法的研究 - Research on mechanism of near carrier frequency FM noise for CW guided air-to-air missile weapon system
连续波雷达制导空空导弹武器系统近载频噪声作用机理研究 - To reduce the influence of carrier noise to the receiver is the main task of the future work.
因此，如何减小载波泄漏对接收机噪声性能的影响将是未来工作中的重点。 - Data communications under such environments typically suffer from large propagation delay, high bit error rate, low signal/ carrier to noise ratio and frequent link disruptions. The network transmission performance is facing enormous challenges.
这类环境下的数据通信通常具有信号延迟大、信道误码率高、载噪比／信噪比低、通信链路频繁中断等特点，数据传输性能面临着巨大的考验。 - The issue of carrier aircraft noise environment, the mainstream speech enhancement algorithm simulation for on-board to assess the effect of strong noise rejection, and build real-time processing platform, the algorithm shift value.
本课题对针对载机噪声环境，对主流的语音增强算法进行仿真，针对机载强噪声抑止效果进行评估，并构建实时处理平台，对算法进行移值。 - A carrier to noise estimation algorithm is improved, which is more suitable for high sensitivity condition.
并改进了一种载噪比估计方法，使之适合于高灵敏度接收机强信号的估计。