The timing error detector and loop filter of HDPLL are all digitized, whereas the VCXO employs analog components.
HDPLL中定时误差检测器、环路滤波器是全数字的,而VCXO使用了模拟器件。
The loop is a second order phase lock loop, consisting of an interpolator, a timing error detector and a loop filter.
环路为反馈结构,包括插值器、时钟误差检测和环路滤波器三个部分。
EDAC error detector and corrector have been implemented to improve the reliability of register file and memory during read and write process.
针对存储器和寄存器文件增加了EDAC检错纠错器对其读写过程进行检错和纠错。
It is noted that the minimum mean square error (MMSE) detector often loses phase to lock a desired signal when the desired signal dips into a deep fade.
在实际通信系统中当信号处于深衰落时,最小均方误差(MMSE)检测器经常失去对信号的相位跟踪。
Finally, a successive interference cancellation (SIC) scheme is proposed combined with minimum mean square error (MMSE) detection. Its performance is superior to simple SIC or MMSE detector.
最后还提出了一种结合最小均方误差(MMSE)检测的连续干扰抵消(SIC)方案,其性能好于单一的SIC和MMSE检测器。
The relationship of the steering range of FSM and the errors corrected, the detector output and objective error, tracking control system input are analysed.
并分析了反射镜作用范围与需要校正的误差的关系,跟踪探测器输出误差信号与物方跟踪误差,以及与跟踪镜控制量的关系。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
通过低阶校正模式波前误差提高了探测器接收光强,并有效校正了波前倾斜。
Efficiency enhanced si PIN detector and high sensitivity, large area si PIN detectors array has been developed and their sensitivity and relative error have also been simulated comprehensively.
提出了一种效率增强型硅pin探测器和新型高灵敏大面积硅pin探测器阵列的设计思想,并且对它们的探测灵敏度和相对误差进行了详细的理论模拟计算。
Performance analysis shows that the decision arrangement can improve the bit error rate (BER) performance of the detector.
性能分析表明,判决排序改善了检测器的误码性能。
It has been proved by experiment that the traditional Angle measurement algorithm of the detector with four quadrants is of big measurement error.
实验结果表明,传统的四象限探测仪测角算法具有较大的误差。
The utility model relates to a symmetrical characteristic detector for the axial key groove which can measure the positional error of the machine parts.
一种测量机械零件位置误差的轴键槽对称度检测仪。
But in the laser communication of APT technique, the position error signal's distill is very important, correspondingly, the choice of the detector seem to be to importance.
在光通信APT技术中,位置误差信号的提取是非常关键的一环,相应地探测器件的选择就显得至关重要。
The performance of minimum mean square error (MMSE) adaptive detector applied in CDMA system is analyzed in this paper. The signal model is set up, and the relevant bit error rate formulas are given.
文章主要分析了最小均方误差(MMSE)自适应检测器应用于CD MA系统的性能,建立了系统信号模型,给出了计算误码率的公式。
Further analyzing the effect of channel estimation error on the detectors, it is found that the multiuser detector is more sensitive to big estimation error than the single user detector.
文中迈进一步仿真分析了信道估计错误对检测器的影响,发现对于较大的信道估计错误,多用户检测器比单用户检测器更敏感。
They should not be relied upon to provide an error free method of relaying tone signalling to other decoders, such as a telephone exchange DTMF detector, for example.
它不应该被依赖用做提供一种无错的传送方法,传送双音频信号到另一解码器。例如:电话交换机的DTMF侦察器。
Algorithms based on DMMSE (Difference minimum mean square error) criterion of adaptive multi users detector for short spreading sequences DS CDMA systems is proposed.
给出了基于差分最小均方误差(DMMSE)准则的短扩频序列ds- CD MA自适应多用户检测算法。
This paper presented a optimum linear multiuser detector in terms of minimum mean bit error rate, and given a approximate method of solving the detector - method of training single perceptron.
本文提出了平均误比特率最小意义下的最佳线性多用户信号检测器,并给出了求解这种最佳线性多用户信号检测器的近似方法——训练单层感知器法。
At high frequency band, the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.
峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。
In this paper, principle and constitute of thermo-resistance detector of integral insulation construction in pipeline are introduced and error in measure is analyzed.
本文介绍了管道整体保温结构热阻测试装置的原理和组成,并分析了该装置的测量误差。
Theoretical analysis and numerical simulation show that the convergence performance and symbol error performance of the new algorithm are better than those of the MOE detector.
理论分析和数值模拟表明该算法的收敛性能和误码性能均好于MOE检测器。
Numeric analysis results indicate that the error code performance of designed non-coherent 2fsk optimal detector is superior to that of the traditional non-coherent 2fsk detector.
数值分析结果表明,设计的非相干2fsk最佳解调器的误码性能优于传统的非相干2fsk解调器。
The measurement error of phase measurement profilometry caused by pixel size of detector under step distribution of reflection rate is studied through theoretical analysis and simulation.
根据生产实践提出一种典型交点尺寸的测量方法 ,介绍了该方法的数学模型、测量步骤、误差分析及计算程序。
When we conventional static correction for seismic data of mountain area, correction error increases along with the increases of source-detector distance.
山区地震资料进行常规静校正时,校正误差随炮检距的增大而增大。
Simulation results show that the new detector has a lower packet detect error rate and a higher symbol timing precision compared with the existing schemes.
仿真结果表明,与已有的分组检测算法相比,新方法具有更低的分组检测错误概率,同时也改善了符号精定时的精度。
A multiuser detector based on quantum neuron and quantum register is proposed. Computer simulation results show that the method has powerful properties both in bit error rate and near-far resistance.
提出了一种基于量子神经元与量子寄存器的多用户检测方案,计算机仿真结果表明:本文所提出的检测器在误码率和抗“远近”效应方面均具有良好的性能。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
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