为了补偿数字电视发射机的频谱畸变与相位失真,以得到最佳的VSB频谱特性,可以在调制器中加入预均衡网络对频谱进行预畸变。
To minimize the frequency and phase distortion in a DTV transmitter in order to achieve best VSB frequency performance, a pre equalizer can be inserted into the modulator.
如果我们不那么谨慎,将这些数字解读成因果关系——事实上它们只是具有相关性——那么可能会得出下述结论:即,20年的婚姻足以补偿至多40年的丧偶经历。
If we incautiously interpret these Numbers as causal - in fact they are merely correlations - then we could conclude that 20 years of marriage is compensation for up to 40 years of widowhood.
这些数字自2009年以来发生了重大变化,当时提供每种补偿的公司占比仅有10%。
Those numbers have changed significantly since 2009, when only 10% of companies issued each type of reimbursement.
微欧姆计和很多数字多用表使用的另一种消除偏置的方法是偏置补偿欧姆法。
Another offset-canceling method used by micro-ohmmeters and many DMMs is the offset-compensated ohms method.
基于该滤波器设计的数字谐波检测方法可用于任何一种电力系统的谐波补偿装置中。
The digital harmonic detection based on this kind of filter can be used in any kind of harmonic compensation system.
基于此滤波器设计的数字谐波检测方法可用于任何一种电力系统的谐波补偿装置中。
The digital harmonic detecting method based on this kind of filter can be used in any kind of power harmonic compensation system.
运用数学形态学原理,对提取数字进行还原补偿和噪声处理。
Use the morphology principle to compensate and reduce the noise for the pick-up figure.
一个将是世界纪录的数字表明,我至少将在物质方面来补偿我所“欠”俱乐部的一切,以此来表达我的感激之情。
The figure mentioned, which would be a world record, would serve as some compensation for the debt of gratitude that I owe the club, at least in material terms.
该系统采用大面阵CMOS图像传感器作为成像器件,通过反射镜扫描进行像移补偿的方法,实现无人机飞行状态时清晰地数字成像。
This system USES large area array CMOS sensor as the image device, and makes the image motion compensation by reflector scanning, thus to obtain clear digital images during flight of UAV.
数字控制的时延补偿应用于直流开关电源中获得了较好的控制效果。
The time delay compensation of digital control for DC switch-mode power supplies improves the control effect.
此滤波器设计的数字基波检测方法可用于任何一种电力系统的谐波补偿和微机继电保护系统中。
The digital first-harmonic detecting method based on this kind of filter can be used in anyone power harmonic compensation system and microcomputer relay protection system.
本文简要介绍了数字滤波的几种方法,非线性补偿及误差修正的几种方法以及零点漂移问题的自动跟踪处理方法。
Introduce several methods of digital percolate ave, nonlinear compensate and error correction, as well as zero error and automatic trace processing method in this article.
主要介绍高速数字设计中利用CTAB进行阻抗补偿保证系统信号完整性的方法。
A method that impedance compensation by CTAB ensured signal integrality in the high-speed digital design was introduced.
该控制器采用数字检测电路来获取电网电压与电流的相位差,从无功补偿的原理出发,设计控制器的软硬件。
It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.
本文提出了一种用于正交频分复用(OFDM)系统中由大功率放大器引起的非线性失真的有效的数字自适应补偿方法。
The paper presents an efficient digital adaptive method compensating for nonlinear distortions caused by a high-power amplifier (HPA) in orthogonal frequency division multiplexing(OFDM) system.
为了保证测量精度,还采用数字温度传感器ds1820实现温度的补偿。
In order to guarantee the measure accuracy, we also use DS1820 digital temperature sensor to realize temperature compensating.
本文介绍了一种利用数字频率温度补偿装置来提高DRO的频率温度稳定性的方法。
In this paper, it is introduced about how to utilize digital frequency temperature compensation circuit (DFTCC) to improve DRO s frequency vs temperature range stability.
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
本文分析了产生这一现象的原因,并提出了用校正矩阵法可以成功地补偿有效数字的损失。
In this paper, the causes producing the above mentioned phenomena are analysed and a correction matrix method is presented in order to compensate for the loss of significant figures.
通过在回路中对噪声进行预测,有效地补偿了数字反馈回路造成的噪声信号的延迟,从而改善了系统的扰动控制性能。
By predicting the noise in the loop the delay of noise signal in digital feedback loop is compensated effectively, thus the control capability of the system on disturbance is enhanced.
研究了高倍抽取的数字下变频设计,重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
该算法能够克服数字式控制器所产生的延迟时间对于谐波补偿的影响,可实现谐波的实时补偿。
This algorithm can overcome the infection of the digital controller's delay time to harmonic compensation and realize the real time compensation.
传递函数辨识方法摆脱了数字补偿器设计依赖手工调试的状况,并可以提供复杂的数字补偿器以得到高性能的控制系统。
The identification of transfer function can facilitate the design of a digital compensator to get rid of manual debugging and provide complex digital compensator for a high performance control system.
文中设计了补偿此衰减的数字滤波器,并提出一种节省资源的高效实现方法。
A kind of inverse sampling filter is designed in order to compensate this attenuation and some methods is proposed to save the design resource.
介绍利用DS1620等数字式温度传感器进行仪表的温度补偿以及故障诊断、报警等,实现仪表的智能化设计方案。
This thesis introduces how to use digital temperature transducer DS1620 to cany compensation for temperature, failure diagnosis and alarm of instrument and to realize intelligent design of instrument.
然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏,从而达到应用的目的。
Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.
热式传感器有很大的滞后环节,在数字质量流量控制器中需要对传感器数据进行补偿。
The thermal sensor had a large lag phase, so the data got by the sensor of digital mass flow controller should be compensated in advance.
该传感器还借助微处理器对测量信号的非线性与温度漂移进行了数字化的修正和补偿。
The moisture sensor makes digital modulation and compensation on signal non-linearity and temperature offset by adoption of microprocessor.
由于在补偿方法中采用了数字滤波和样条插值技术,使得所建立的控制系统对任意的输入作用都具有良好的稳定性和补偿效果。
Since digital filter and spline interpolation technique have been adopted in the compensation method, the developed control system is both stable and effective to arbitrary input signals.
从模拟后的补偿结果分析了数字式测量的系统误差对传动误差补偿效果的影响。
According to the results of compensation simulation, the effect of system error of digital instruments on the transmission error is discussed.
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