• 上行设备在建站时的疏漏运行中的故障载波干扰常见原因

    Carrier interference is often caused by careless installation or malfunction of uplink devices.

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  • 该文提出了一种基于最大化载波干扰比原理含参数的编码方案

    A new pre-coding scheme based on the maximum of carrier-to-interference is proposed in this article.

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  • 采用了子函数含强载波干扰局部放电信号进行连续子波变换

    This paper introduces a continuous wavelet transformation for detecting the disturbed partial discharge pulses in HV transformer.

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  • 模拟结果表明方法一般载波干扰功率控制方法性能更优获得更低误码率更高信道容量

    Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.

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  • 文章分析存在载波相位起伏正弦干扰高斯噪声正交调幅数字系统性。

    The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.

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  • 峰值会使功率放大器饱和载波产生交调干扰导致能量外弥散。

    These large peaks cause saturation in power amplifiers, leading to intermodulation products among the subcarriers and disturbing out of band energy.

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  • 对于载波系统载波频率偏移导致信道之间产生干扰

    The offset of carrier frequency can cause interference between subchannels in a multicarrier system.

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  • 传统载波调制方式相比OFDM技术可以有效地抵抗信道干扰提高系统的传输速率

    Compared with the traditional scheme of single-carrier modulation, OFDM technology has more effective anti-jamming ability and achieves higher transmission rate.

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  • 调制源、多载波信号循环相关解调分析存在交叉干扰使循环自相关解调方法的实际应用产生困难

    The cross-term interference caused by multi-modulator and multi-carrier makes it difficult the use of the cyclic autocorrelation demodulation.

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  • 较为完备移动接收传输技术可以大大降低每个载波内的符号干扰节省用于均衡系统开销

    It is a mature receiving and transmitting technique, which can lower the interference of symbol in each carrier and economize the system expense used for balance.

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  • 电力载波技术应用中信号干扰衰减影响信号传输重要原因

    In powerline carrier wave application, signal disturbing and signal attenuation is the important reason of effecting signal transmission.

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  • 通过载波接收机干扰分析提出电路改进办法

    Based on the analysis of carrier receiver limited amplitude interference, provide a way of circuit modification.

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  • 分析了彩色载波伴音载波干扰产生原因设计应考虑问题以及测试方法

    The reason to produce beat interference of color subcarrier and sound intercarrier is analyzed with the introduction of considerable items for design and testing methods.

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  • 文中估计了存在带宽干扰系统性能,并与单载波直扩码分多址系统进行了比较

    The system performance is evaluated in the presence of partial band interference, it is compared with that of a single-carrier DS CDMA system.

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  • 利用降低码片速率有效降低每路信号占有的带宽,将每路信息的比特分配在不同调制载波减少了各路信号间的多址干扰

    Frequency width is compressed by decreasing signature-code speed and using bit-signal modulates by different carrier so as to decrease multi-user interference.

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  • 结合OFDMCDMA优点高速数据传输时,抗符号间干扰性能明显优于传统的单载波cdma系统。

    It combines the advantages of OFDM and CDMA, and its capability of combating ISI is obviously better than that of a single-carrier CDMA for the high data rate transmission.

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  • 存在同步错误时,子载波之间正交性遭到破坏,从而引起严重载波干扰使解调性能大大下降

    When a synchronization error exists, the orthogonality between sub-carriers can't be maintained, serious inter-carrier interference is introduced and demodulation performance will be degraded greatly.

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  • 介绍BCCH载波TCH载波频率配置信号衰落算法干扰原理动态功率控制调节思路,以及提高网络质量,改善小区登陆与切换性能的措施。

    I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.

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  • 众所周知采用电力载波通信方式有着明显缺点通道干扰数据传输难以保障。

    It is known to all that the shortage of carrier wave mode: great disturbance in channel make it difficult to transmit fault data.

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  • 该文考虑空时分组载波码分多址MC-CDMA系统干扰抑制

    This paper considers blind interference suppression for a space-time block coded MultiCarrier CDMA (MC-CDMA) system.

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  • 定时偏差会导致码间干扰频率偏差破坏载波正交性引起载波干扰从而使系统整体性能急剧下降

    Timing offset causes inter-symbol interference, and frequency offset would destroy the orthogonality between subcarriers, causing ICI, which lead to a sharp decline in overall system performance.

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  • 针对通信侦察领域需要将梳形滤波器应用干扰载波周期伪码的截获中。

    With the demand of such field as communication reconnaissance, comb filters application to capture of short cycle PN-code under self-jamming cartier is studied.

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  • 接收技术可以有效去除传统OFDM系统中的载波干扰,消除误码地板效应,提高系统性能

    In this way, the ICI and "error floor" in traditional OFDM system are removed, and the performance is enhanced.

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  • 本文针对上行链路任意分配载波重点研究了载波估计多用户干扰消除方法

    This paper focuses on carrier frequency offset estimation (CFO) and multiuser interference elimination in uplink OFDMA system based on generalized carrier assignment schemes.

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  • 提出利用双向载波捕获体制(双捕)提高通信链路干扰性能分析其抗干扰机理。

    Using Both -capture to Improve the Performance of Communication 's Link is presented and analyzed.

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  • 系统电路简捷速度快干扰能力强,在很载波频率范围内应用深入研究

    The system features simple construction , quick response and strong anti - interference ability. It may be applied and further developed in the field of wide range of carrier frequencies.

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  • 载波扩展频谱码分多址系统(MC/CDMA)一种消除符号间干扰有效技术

    MC/CDMA is one of the effective techniques to mitigate the ISI.

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  • 上行链路中每个用户由于载波频率偏差存在潜在的不同步,这样使载波之间失去正交,从而基站接收端产生用户间干扰

    However in uplink channel, each user has its own frequency offset which leads to a loss of orthogonality among the sub-carriers and multiuser interference at the base station receiver.

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  • 近年来,多载波OFDM系统均衡简单且能有效地抗多径干扰受到广泛地研究。随着研究的深入,发现单载波系统类似的均衡办法与优点。

    Multicarrier Orthogonal frequency-division multiplexing(OFDM) Systems have been widely researched in recent years because of its good anti-multipath characteristic when easily equalized.

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  • 近年来,多载波OFDM系统均衡简单且能有效地抗多径干扰受到广泛地研究。随着研究的深入,发现单载波系统类似的均衡办法与优点。

    Multicarrier Orthogonal frequency-division multiplexing(OFDM) Systems have been widely researched in recent years because of its good anti-multipath characteristic when easily equalized.

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