多色光不可能调制频率。
Frequency modulation is not possible with polychromatic light.
得出了啁啾幅度和啁啾相位与调制频率的关系。
Chirping amplitude and phase changes with the modulation frequency are present.
该方法能将各共振响应频带的调制频率提取出来。
This method possesses a powerful property to extract the modulated frequency of resonant frequency band overall.
研究了调制后的势阱中剩余原子的温度以及原子数对调制频率的依赖关系。
The frequency dependences of the temperature and the fraction of the atoms left in the trap after the modulation are explored.
当微波调制频率及功率一定时,可方便地调节直流偏置电压来改变各阶光波的强度。
It is convenient to change the optical intensity of the sidebands by tuning the DC bias voltage while the microwave modulation frequency and power are fixed.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
这种数据传输调制频率用12800波特(Bd)来表示,指的是每秒钟12800位。
This modulation rate of data transmission is expressed as 12,800 baud (Bd), representing 12,800 bits per second.
实验数据表明,光强调制度随激光器偏置电流的增加而加深,随调制频率的升高而减小。
Experimental data show that the intensity modulation depth increases with the bias current of LD. When the modulation frequency increases, the intensity modulation depth decreases.
本文对双极性调制的无刷直流电动机仿真分析了转速和调制频率对转矩影响同时给出仿真结果。
This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation, at the same time the results are given.
热型红外传感器应用广泛,它要求在室温条件下工作,在宽的调制频率范围内具有均匀的灵敏度。
Infrared thermal sensors are used in a wide variety of application which require room temperature operation and uniform sensitivity over a wide modulation frequency range.
通过调节泵浦功率、调制频率和可调谐滤波器,可以产生不同波长的混沌信号,并实现混沌的同步。
Chaotic signals at different wavelengths can be generated by adjusting the pump power, modulation frequency and tunable filter, and chaos synchronization is achieved.
实验结果表明,由于载体寿命的变化,在吸收和增益区域,带宽的时滞随着调制频率的变化而变化。
The experiment shows that the bandwidth of the time delay as a function of the modulation frequency changes in the absorption and gain regimes due to the carrier-lifetime variation.
该雷达采用调频中断连续波(FMICW)信号,时间同步包括调制脉冲的同步和调制频率的同步。
This radar use FMICW signals, time synchronization consists of pulse synchronization and frequency-modulation synchronization.
研究表明,系统的定态输出随系统的调制深度或调制频率、群速色散或自相位调制等参量值的变化而变化。
The results show that the evolution of the steady-state output parameters of the system varies with the values of modulation parameters, group velocity dispersion and self phase modulation.
数值模拟了SSD各参量,包括脉冲时间、调制频率、位相调制系数、光栅线色散系数等对束匀滑性能的影响。
The influences oft he parameters of the SSD technique on the beam smoothing performance are numeric ally analyzed.
给出了用一个系统满足各种不同发光强度、不同调制波形、不同调制频率的要求,以及在制造和使用过程中应注意的事项。
The requirements of different luminous intensities, different modulation waveforms and different modulation frequencies are met by one system, the attentions in manufacture and use arc also indicated.
该系统可以自动测试不同调制频率下红外探测器的电压响应率和探测率,能够快速准确地完成测试任务,满足了测试要求。
The system can be used to measure the voltage responsivity and detectivity of infrared detector at different modulation frequency with rapid speed and high accuracy, it meets the need of measurement.
给出了用一个系统满足各种不同发光强度、不同调制波形、不同调制频率的要求,以及在制造和使用过程中应注意的事项。
The requirements of different luminous intensities, different modulation waveforms and different modulation frequencies are met by one system, the attentions in manufacture and use arc als...
利用数值模拟的方法研究了电流调制下偏置电流和调制频率对垂直腔面发射半导体激光器(VCSEL)混沌动力学特性的影响。
The influence of bias current and modulation frequency on chaos dynamics of vertical-cavity surface-emitting laser (VCSEL) subject to direct current modulation is investigated by numerical simulation.
为了提高激光多普勒调制器调制频率的稳定度,通过从光学、机械、电子学等方面的优化,对影响多普勒调制器的各种因素进行了深入的研究。
In order to improve the frequency stabilization of the Doppler modulator, a series of affecting factors are considered in depth and optimized in the aspects of optics, mechanics and electronics.
实验得到了铜在常温下的调制频率与相位差间的实验数据,通过对实验数据的线性拟合得到了铜的热扩散系数,以及铜-不锈钢在300 K和20 K低温下的接触界面层热阻。
The experimental data of copper was obtained about the phase lag dependence of modulation frequency at normal temperature, and the thermal diffusivity of copper was acquired by using the linear fit.
当电视台要把组合视频信号经由无线电波广播出去时,要先把它调制到特定频率的载波上。
When a composite video signal is broadcast over the airwaves by a TV station, it happens on a specific frequency.
在无线技术中,冲突发生在两个发射器在相同的时间、相同的频率发送相同的调制方式。
In wireless technology, collision occurs when two transmitters transmit at the same time with the same modulation scheme on the same frequency.
放大器输入为电压信号,与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
“调制域”是由信号的频率和时间两个轴构成的平面域。
"Modulation domain" is a plane domain which is consisted of frequency and time signal axes.
调制域及脉冲分析仪利用时间和频率构成的平面域对信号进行分析。
Modulation Domain and Pulse Analyzer(MDPA) analyzes signal using a plane domain which is consisted of frequency and time.
在强噪声背景下,针对BPSK调制信号,提出了一种新的频率估计技术。
A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
在强噪声背景下,针对BPSK调制信号,提出了一种新的频率估计技术。
A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
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