• 单边电台无线通讯方面起重要作用

    Single-side band (SSB)transceiver plays an important role in radio communication.

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  • 输出产生间接合成技术产量单边带相位噪声

    Output is generated by an indirect synthesis technique that yields low single-sideband phase noise.

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  • 分析短波通信特点,了解单边调制的相关特性;

    Present the SSB modulation and some characters of HF communication.

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  • 单边带相位噪声杂散抑制所有通道阻止测量

    Low SSB phase noise and high spurious rejection for all in-channel and blocking measurements.

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  • 还有另外问题需要增进调谐单边带信号技能

    There is one other problem: the increased skill that is needed to tune into an SSB signal.

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  • 说明:单边调制源码,求消息信号信号频谱

    This is a single sideband modulation source, for the signal and the signal has been modulated spectrum.

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  • 讨论了采用DSP实现单边通信数字接收机设计技术。

    In this paper, realization of digital receiver of single side band communication employed DSP is discussed.

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  • 现在海上通信系统主要卫星通信、单边甚高频(VHF)。

    Now maritime communications systems primarily include satellite communications, single side band, VHF (VHF).

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  • 本文主要分析正交信号实现单边电路阐述其优越性

    This paper analyzed chiefly the circuit of single side-band mixing by use of orthographic signal and described advantages of the mixing circuit.

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  • 正交调制目的产生单边带RF激发脉冲以避免激发镜像层面

    The purpose of quadrature modulation is to generate the SSB RF exciting pulse that avoids exciting it's mirror slice.

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  • 为了提高单边带电台功率性能指标采用高效率线性放大系统

    A linear power amplification system of high efficiency is adopted to raise the power performance index of some SSB transceivers.

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  • 利用一种不均衡平行调制器和光滤波器,我们得到线性化单边带信号

    By using an unbalanced dual parallel Mach-zehnder modulator (DPMZM) followed by optical filtering, a linearized OSSB signal is obtained.

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  • 有效地利用短波广播频段改善其广播质量单边制广播提到了议事日程。

    For more efficient use of shortwave broadcasting band and improvement of broadcasting quality, single sideband broadcasting has been placed on the agenda.

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  • 相位噪声总是具体的,取决于载波偏移作为相对于载波偏移一个单边噪声。

    The phase noise is usually specified, depending on the carrier offset, as a single-sideband phase noise referenced to the carrier offset.

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  • 现有的车载短波通道测向设备使用传统测向算法单边信号的测向结果比较

    Using the traditional algorithm, the vehicular short-wave single-channel direction finding devices can not cope with the single side band signals satisfactorily.

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  • 船舶具备VHF通信条件时采用移动电话传真单边通讯方式进行。

    If vessels aren't equipped with VHF, they can utilize mobile telephone, fax, SSB and so on.

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  • 具有节约、节约功率信道条件影响特点的单边带通信方式好的选择

    The Single Side band (SSB) which can save the frequency bandwidth, save the power and receive little effect from the channel condition is a pretty choice.

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  • 检测双边信号通过FBG滤波后,成为单边信号光谱图,结果基本符合分析预期

    Since results in line with expectations, it preliminarily prove that use of narrow-band FBG to realize SSB in RoF can inhibiting decay caused by dispersion better.

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  • 为了提高载波机有效传输,可采用多路数字韦瓦复调制原理实现载波机的单边调制

    To increase the effectively transmitted bandwidth, digital multiplex channel Weaver complex modulation is employed to implement SSB modulation.

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  • 传统单边语音通信系统大都模拟的,实现起来比较复杂,往往由于庞大不便移动调试

    Traditional SSB system was analogue, it was difficult to realize, and it always too big to be moved and test.

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  • 先进抗干扰技术——ttib(透明内导),可以抗短波单边带移动电台系统的多干扰。

    A new technique is described, transparent tone in band (TTIB), which can combat the effects of multipath propagation on single sideband (SSB) mobile radio system is describe in this paper.

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  • 给出了FM正交解调结构,即统一中频数字化硬件平台上单边带调幅等波形一起在完成正交解调

    The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.

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  • 分别讨论理想假设实际情况下超外差接收机双边噪声系数和单边带噪声系数,给出了单边接收机的某些设计方案。

    This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively.

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  • 莫尔斯测试-如果其中一个火腿主要运作模式单边带那么简单方法提高享受业余爱好使用化学武器

    Morse test - If you're one of the many hams whose principal operating mode is SSB, then the easiest way to increase your enjoyment of the hobby is to use CW.

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  • 振幅调制分为4种方式AM(普通调幅)、DSB(抑制载波双边调幅)、SSB(单边带调幅)、VSB(残留边调幅)。

    Amplitude modulation is divided into 4 ways: am (amplitude), DSB (bilateral with carrier suppression modulation), SSB (single sideband modulation), VSB (VSB).

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  • 中波单边立体声广播发射系统,除要求质量传送信息外,由于发射功率较大,因此,如何提高发射机效率也是至关重要的问题。

    The MW SSB stereo broadcasting system requires high efficiency of the transmitter which usually employs high power amplifier, as the high quality of information transmission is important.

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  • 单边信号短波频段十分拥挤因此接收单边带信号就需要一个抗干扰的通信接收机,过去由于器件的落后,直接影响先进方案的实施。

    SSB signals become very crowed in short-wave frequency range, so a good anti-noise communication receivers is needed to receive SSB signals.

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  • 思路是将信号先通过单边调制,较低频率调制需要频率范围;然后采用对基信号的数字预补偿方法来抑制镜像频率载波泄漏,从而达到应用目的

    Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.

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  • 通信仿真平台任务调幅调频单边、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等通信信号调制解调进行建模计算

    The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.

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  • 通信仿真平台任务调幅调频单边、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等通信信号调制解调进行建模计算

    The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.

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