This paper proposes a new method of modulation.
提出了一种新的调制方式。
The test Method of modulation transfer function (MTF).
调制传输函数的检测。
Finally, through debugging the digital system connected with optic route, the method of modulation and detection were proved.
最终,通过数字系统与光路的联调,验证了数字调制方案的效果,也验证了整个检测方案的可行性。
Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
电容的微小变化可通过对高频谐振回路调制的方法进行测量。
The results obtained in our work can be used in construction of a single longitudinal mode laser with enhance output and to suggest a new method of modulation for lasers.
它们可以用来得到较大输出能量的单纵模激光器和激光器的新的调制方法。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
提出了一种应用小波变换提取分类特征的基于支撑矢量机的通信信号调制识别方法。
The results show that the method can effectively separate the dynamic modulation from other parts of radiated noise, and extract harmonic features.
结果表明,该方法可以有效地实现动态调制分量与其他信号的分离,准确提取谐波特征。
The fashionable method of pulsewidth modulation (PWM) is applied.
在调制方法上采用流行的脉宽调制(PWM)。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
非线性放大器对发射信号的影响,与调制方式密切相关。
Then, the paper introduces the math module and achieving method of software modulation and demodulation of common digital modulating signals used in telecontrol & telemetry system.
接着介绍了遥控遥测常用的数字调制信号的软件调制解调的数学模型和实现方法。
This paper introduces a new method for measuring modulation transfer function (MTF) of charge coupled devices (CCD).
介绍了一种测电荷耦合器件(CCD)调制传递函数(MTF)的新方法。
This paper introduces a method of FSK modulation and demodulation using CMOS phase locked-loop chip CD4046.
文章介绍了一种利用CMOS锁相环芯片CD 4046实现FSK信号调制与解调的方法。
A method for selecting the modulation signals of multiple HVDC supplementary controllers is proposed.
提出一种多直流附加控制器调制信号的选取方法。
In this research, based on statistical pattern recognition method, we use constellation of modulated signals to classify modulation modes both in non-cooperative and cooperative communications.
本文采用基于统计模式识别的方法,研究了非合作通信与合作通信中通过提取调制信号的星座图特征对调制模式进行识别的问题。
Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation method.
采用调整控制参数的方法,实现对化学双稳行为的调制。
A new method to produce and pick-up optical label using phase modulation was put forward. The principle of this method was analyzed and experiment principle architave was designed.
本文提出了一种用相位调制实现光标记产生和提取的新方法,分析了这种方法的原理,设计出产生和提取光标记的试验框图。
Introduction was made to the method of sine pulse width modulation (SPWM) wave generated by table searching, which is based on area equivalence principle.
介绍了一种基于面积等效原理,采用查表法产生正弦脉宽调制(SPWM)波的方法。
In this paper, the method and the equipment measuring modulation characteristic of DFB LD with spectrographic analysis are described.
本文介绍了利用光谱分析测量dfbLD调制特性的方法及装置。
The process of black-white medical pictures by grating modulation decolorization method was described with analysing typical cases.
本文叙述了利用光栅调制漂白法对医学黑白图象的处理过程,并介绍了典型病例。
This paper offers a general account of the principle, measurement method and practical application of modulation transfer function in aerial photographic system.
本文重点论述了航摄系统调制传递函数的原理,测定方法和实际应用。
A method using optical fiber in experiment of electro optical modulation is presented and its advantage is discussed.
介绍了用光纤扩充电光调制通信教学实验的方法和特点。
Next, the mix control strategy were analyzed in detail, which is the control method of combining the space vector pulse width modulation and the rotor magnetic filed directional control.
接下来,本文重点分析了基于矢量调制的组合控制策略,即将矩阵变换器的空间矢量脉宽调制和电动机转子磁场矢量控制有机结合的控制方法。
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。
Chaos is also controlled into periodic state and multi-periodic state by a method of a wavelength periodic modulation.
波长周期相位相移调制控制也能使混沌激光控制到三周期态和多周期态等。
On the other hand, the modulation method of torque signal has been solved before the signal was input to the industry computer, therefore, solved the problem of signal transfers.
另一方面,制订了扭矩信号在输入工业计算机之前的调理方法,解决了信号传输问题。
To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
研究非线性调频信号波形设计方法。依据相位逗留原理,采用动态优选法,给出了一种改进的非线性调频信号波形设计方法。
A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.
根据空间光调制器的相位调制作用,提出了一种灰阶纯位相匹配滤波器编码方法。
An orbital modulation method by controlling the corresponding transient orbit errors of mean orbit control targets was proposed.
提出了一种通过控制平均轨道控制目标对应的瞬时轨道偏差量进行轨道修正的方法。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
为使星载激光高度计实现高空间分辨率,提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
为使星载激光高度计实现高空间分辨率,提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
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