介绍了一种在有差错信道中能够高可靠性传输数据的双调制解调器的实现方案。
The realization of dual MODEM is described in this paper, which can transfer data reliably in error channel.
讨论了数字调制技术中的波形成形问题，提出利用双正交子波实现波形成形的思想。
This paper discusses the technique of waveform coding for digital modulation and presents the idea of waveform coding based on biorthogonal wavelets.
引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。
A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.
以可调谐双稳外腔半导体激光器(ECLD)为例，指明了在损耗调制下，扰动近似分析可能会失效。
Taking an external cavity laser diode (ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.
介绍了一种新颖的基于电流滞环和空间电压矢量调制(SVPWM)技术的电压、电流双闭环感应加热电源。
A novel induction heating power based on current hysteresis band control and SVPWM modulation technology is introduced in this paper.
采用调整控制参数的方法，实现对化学双稳行为的调制。
Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation method.
为改善传感器的性能，微弱光强信号的检测需要载波调制和双光路补偿。
To improve its performance, a carrier modulation and double light route compensation are necessary for detecting faint optical power signals.
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。
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.
实验结果表明，采用控制角与调制深度相结合的双变量协调控制具有更好的动态性能。
The experimental results show that the co-control of control angle and modulation index has better dynamic characteristics.
用数值方法研究了双稳随机动力系统的信号调制噪声效应。
We study numerically the effect of signal modulating noise in bistable stochastic dynamical systems.
通过双远心成像光路，激光直写（LDW）系统SVG-LDW04把液晶空间光调制器（LCD-SLM）上的光斑直接成像在光刻胶板上，得到高质量的光斑图形。
The laser direct writing(LDW) system SVGLDW 04 with a projection optical system and a spatial light modulator(LCD-SLM) can expose a reduction pattern directly on a photoresist plate.
双空间矢量调制两级协调控制能实现整流级零电流换流，极大地减少了开关损耗，提高了变换器的效率。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
分析了空间矢量pwm的调制算法以及实现方法，最后设计了异步电机的双闭环矢量控制系统。
After space vector PWM modulation algorithms and implementation methods have been analyzed, dual closed-loop vector control system of asynchronous motor is worked out.
ADSL技术是一种调制技术，在双绞铜线的两端分别接入adsl调制解调器，即可利用其高频宽带特性传送高速数据。
ADSL is one of the modulation techniques. Using the wideband capacity in copper twisted-pair cable, high speed data can be transmitted on the subscriber line.
我们提出采用光学双稳装置来稳定光源输出功率，并将它用于折射率调制型光纤传感器测量液体浓度的实验中。
We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.
结合矩阵变换器双空间矢量调制方法，并将矩阵变换器过调制方法用于感应电机直接转矩控制中，达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
我们发现通过有限势垒耦合的双量子线在磁调制下可以用作为电子能量过滤器和分流器。
It is found that the double quantum wires coupled by a finite barrier can be an energy filter and current divider.
带有反馈的腔内调制激光器，其输出将出现双稳、多稳特性，因而可用作数字光通信的调制源。
Otherwise, the intracavity modulating laser with feedback device can be used in digital optical communication because of its bistable and multistable out-put.
用此一性质可将偏置电压调制为零省去偏置系统，利于系统集成，为实现无偏压双稳系统指明了方向。
Thus, the bias voltage could be modulated to be 0. This saved the bias setup is benefited to system integration and pointed out way of realizing biasless bistable device.
采用双极调制方式单周控制APF补偿后的电源电流中存在直流分量。
There are DC off-sets in the compensated source current of the APF with one-cycle control under bipolar modulation.
双缝衍射是指被单缝衍射调制的双缝干涉现象。
Double slit diffraction is the double slit interference phenomenon modulated by single slit diffraction.
混合操作模式(也称为双传输模式)在时隙间隔期间切换调制方式。
This mixed mode of operation, otherwise known as a dual transfer mode, switches modulation schemes during inter-slot periods.
本文介绍了双稳液晶电光调制器的超线性特性以及它在制作各类特殊振幅光栅和半色调屏上的应用。
The ultralinear characteristics of a bistable liquid crystal electro-optic modulator and the use of it for making various special amplitude gratings and the halftone screen are introduced.
介绍了一种用于设计双正交余弦调制滤波器组的线性化方法。
A linearization method to design biorthogonal cosine modulation (BCM) filter Banks is proposed.
在双波长钛宝石激光器中通过交叉相位调制实现了飞秒和皮秒脉冲的交叉锁模，得到了被动同步的飞秒和皮秒脉冲。
Passively synchronized femtosecond and picosecond laser pulses are obtained by achieving cross mode-locking induced by cross-phase modulation in a dual-wavelength femtosecond ti: sapphire laser.
车载双联光电瞄准系统主要由折转光管、自准直经纬仪和相应的调制器组成。
Vehicle twin- photoelectrical pointing system mainly consists of reflex light-tubes, a autocollimation theodolite and modulators.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略，建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
提出了一种基于反馈参数调制控制超混沌同步的方法，并应用于双环掺铒光纤激光器系统。
A method of feedback modulating-parameter is presented to synchronize hyperchaotic systems, and is applied to the hyperchaotic erbium-doped fiber dual-ring laser systems.
该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。
The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.
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.
应用推荐