• Amplitude modulation (AM) : The form of modulation.

    调幅调制的一种形式

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  • Mode of amplitude modulation of one channel by another.

    模式调幅另一通道

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  • The first radio broadcasts were made using amplitude modulation.

    最初无线电广播设备采用波幅调制

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  • This modulation include either amplitude modulation or frequency(phase) modulation.

    包括幅值调制频率相位)调制两部分。

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  • The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.

    4D四个数据2比特),PAM5表示分5个层级的脉冲幅度调制

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  • A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.

    提出了利用轴向振动调幅信号实现岩性识别方法

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  • Quadrature Amplitude Modulation (QAM) is used to transfer signals by digital TV system based on DVB_C standard.

    基于DVB_C标准数字电视系统采用正交幅度调制(QAM)传送信号

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  • And for the frame beam end bending moment amplitude modulation factor seems embodiment its value in practice projects.

    框架端的弯矩调幅系数的合理取值的价值实际工程中似乎更能体现出来。

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  • We add amplitude modulation onto the CW laser and measure the modulation amplification between seeding and output laser.

    我们对注入的连续激光进行幅度调制并且测量输入输出光之间调制信号的放大倍数。

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  • In this paper, the technique is applied to a digital amplitude modulation broadcasting (DAMB) system with satisfactory results.

    该文把此技巧应用数字调幅广播(DAMB)系统,取得了令人满意结果

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  • We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.

    对三波道干涉仪测向结果不受幅度调制频率调制(相位调制)影响进行了数学分析

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  • Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.

    脉冲幅度调制波(PAM脉冲调制一种形式通信和控制系统得到广泛应用。

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  • With 1kHz voltage modulation and harmonics detection, residual amplitude modulation (RAM) noise were carried out experimentally.

    从理论实验上研究了残余幅度噪声RAM对谐波探测的影响。

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  • An intermediate frequency amplifier is designed to suppress the parasitic amplitude modulation and suppression effect is also analyzed.

    设计了一种中频放大器抑制寄生调幅干扰分析抑制效果

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  • QAM (Quadrature Amplitude modulation) has been widely used in various digital communication systems due to its high modulation efficiency.

    正交幅度调制(QAM)具有较高的调制效率,广泛应用于各种数字通信系统中。

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  • The system adopts AGC circuit, uses DDS technology to realize such functions as frequency modulation, amplitude modulation, ASK, PSK, etc.

    系统采用自动增益控制电路,并运用DDS技术实现调频调幅ASKPSK功能

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  • TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.

    信标发射脉冲幅度调制信号,隐含空中目标相对于信标台的方位距离信息

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  • A kind of distributed feedback (DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television (AMCATV) transmitter.

    开发了一用于光纤公用天线电视(CATV)分布反馈激光二极管组件

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  • The passive interference in receiving station of amplitude modulation (AM) broadcasting from UHVAC transmission lines is mainly caused by towers.

    特高压输电线路对调幅广播台站干扰主要垂直杆塔引起的。

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  • Amplitude modulation is to control the amplitude of signal carrier and make it change linearly with modulation signals and maintain its frequency.

    幅度调制用调制信号控制载波振幅使随调制信号线性变化保持载波的频率不变。

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  • Amplitude modulation coefficient is a parameter, by which the capacity of internal force redistribution in continuous composite beams is reflected.

    弯矩调幅系数反映连续组合梁内力重分布能力参数

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  • In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.

    常用调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)调相(PM)。

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  • This control system features wide amplitude modulation range. high adjustment accuracy, easy operation. long service life, stable running and energy etc.

    所述调节系统具有调幅范围调节精度操作方便,设备寿命延长,运行平稳可靠节约能源等特点

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  • The optimum equalization theory for overcoming the intersymbol interferences (ISI) in multi-level pulse amplitude modulation (PAM) systems is establishead.

    详细论述了多电平PAM脉冲幅度调制系统最佳均衡理论

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  • The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.

    文中校准应用研究中采用田口方法,根据数字信号源频率调幅及调频试验典型值推导出全量程校准公式

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  • Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).

    实现信号调制解调功能包括各类调制ask(调幅),PSK(调相),FSK(调频)。

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  • Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.

    相同频率调制幅度调制比情况,对调制信号的不同采样分布可以得到不同的SVM波形。

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  • Pulse position amplitude modulation (PPAM) is a new modulation scheme that combines pulse position modulation (PPM) and pulse amplitude modulation (PAM) together.

    脉冲位置幅度调制(PPAM)一种脉冲位置调制(PPM)脉冲幅度调制(PAM)结合到一起的新型调制方式。

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  • Because of stepless frequency modulation and amplitude modulation and operating with facility, hydraulic vibrators are being used widely in a lot of engineering machines.

    液压振器由于具有无级调频调幅操作方便等优点而许多工程机械中得到广泛应用。

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  • Because of stepless frequency modulation and amplitude modulation and operating with facility, hydraulic vibrators are being used widely in a lot of engineering machines.

    液压振器由于具有无级调频调幅操作方便等优点而许多工程机械中得到广泛应用。

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