The dependence of frequency relations on pressure and modulation amplitude is similar with other laboratories.
频率依赖于碘压和调制幅度的关系与其他研究所的结果相类似。
Through proper adjustment to frequency modulation amplitude, the Kerr-effect-induced bias can be effectively reduced.
通过适当调节两光束的频率调制幅度，可有效地实现克尔效应误差的消除。
The influence of the size and the modulation amplitude of the defects on the intensity distribution and angular spectrum of the beam is also studied.
详细研究了振幅调制型“缺陷”的尺寸大小及调制幅度对受调制光束的光强分布和角谱影响。
Temperature measurement principle and modulation absorption spectroscopy were introduced, and the influence of modulation amplitude on gas temperature measurement was analyzed.
介绍了温度测量及调制吸收光谱技术原理，分析了调制幅度对气体温度测量的影响。
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）是脉冲调制的一种形式，在通信和控制系统中得到广泛应用。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.
4D指四个数据符（2比特），PAM5表示分5个层级的脉冲幅度调制。
And for the frame beam end bending moment amplitude modulation factor seems embodiment its value in practice projects.
框架梁端的弯矩调幅系数的合理取值的价值在实际工程中似乎更能体现出来。
The thesis presents a new differential modulation, Coherent Amplitude and differential Phase Shift Key (CADPSK).
本文提出了一种新的差分调制方式，我们称之为相干幅度差分相移键控(CADPSK)。
Amplitude modulation is to control the amplitude of signal carrier and make it change linearly with modulation signals and maintain its frequency.
幅度调制是用调制信号去控制载波的振幅，使其随调制信号线性变化，而保持载波的频率不变。
Chirping amplitude and phase changes with the modulation frequency are present.
得出了啁啾幅度和啁啾相位与调制频率的关系。
TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.
塔康信标台全向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和距离信息。
First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.
首先讨论了舰船辐射噪声的产生机理、构成和频率特性，指出螺旋桨噪声的振幅存在周期性调制。
Numerical calculation results show the dependence of the power (energy) focusability on the obstruction ratio, truncation parameter, the amplitude modulation and phase fluctuation parameters.
数值计算结果表明，功率(能量)集中度与光阑的遮拦比、光束截断参数以及振幅调制和位要畸变参数等有关。
This paper analyses the frequency characteristics of the gear meshing and the signals due to amplitude and frequency modulation.
本文分析了齿轮传动的频率特性和它所产生的频率和幅值调制信号。
And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.
而且，利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。
With reference to clutter simulation based on ZMNL, this paper firstly introduces normal methods of generating relevant stochastic series and amplitude modulation by ZMNL.
对基于ZMNL方法实现杂波仿真，本文简要介绍了相关随机序列产生的一般方法和利用ZMNL实现幅度调制的一般方法。
As the modulation of amplitude is dust particle, the fluctuation and peaks are shown in the power gain spectrum.
当振幅调制为灰尘颗粒时，功率增益谱出现起伏，并且产生尖峰。
This modulation include either amplitude modulation or frequency(phase) modulation.
包括幅值调制和频率（相位）调制两部分。
Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation (PAM) input signals was deduced.
给出了当输入信号为等概率的四进制脉冲幅值调制（PAM）时，系统输出理论渐近误码率计算公式。
The first radio broadcasts were made using amplitude modulation.
最初的无线电广播设备采用的是波幅调制。
Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.
改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PW M脉冲宽度调制控。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
相同频率调制比和幅度调制比的情况下，对调制波信号的不同采样点分布可以得到不同的SVM波形。
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，被广泛应用于各种数字通信系统中。
With vision noise added to the stimulus pictures, the quality of perception decreased, the mental rotation process postponed, and the onset of the amplitude modulation was delayed.
刺激图片加入视觉干扰后，知觉质量下降，心理旋转加工推后，波幅调制的起始时刻推后。
The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.
文中在校准应用研究中采用田口方法，根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。
The modulation characteristic is an important characteristic of amplitude modulator.
调制特性是振幅调制器的一项重要特性。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续，从而能够有效的改进信号的频谱特性。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).
实现信号的调制解调功能，包括各类调制如ask(调幅)，PSK(调相)，FSK(调频)。
This paper presents a new dual-amplitude pulse position modulation (DAPPM) on the basis of PPM.
针对该问题，提出了一种新的双幅度脉冲位置调制(DAPPM)。
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