Quasi-synchronous sampling technology and its DSP realization 准同步采样技术及其DSP实现方法
Performance simulation of quasi-synchronous CDMA systems 准同步CDMA系统的性能仿真研究
A Novel Spreading Sequence Set Applied in Quasi-synchronous CDMA Systems 适用于准同步CDMA系统的新型扩频序列集
Application of the Quasi-Synchronous Sampling Method in the Measurement of Frequency, Frequency Deviation and Phase Angle Difference in Power System 准同步采样在电力系统频率、频偏和相位差测量中的应用
The paper first introduces the theory of quasi-synchronous algorithm was introduced, the deduction was proposed of quasi-synchronous coefficient was discussed, and at last the realization of quasi-synchronous algorithm in DSP was proposed. 先介绍了准同步算法的理论依据,然后介绍了准同步系数的推导,最后介绍了如何在DSP中实现准同步算法。
Analyses the formation and essence of iron loss on electrical machine, discusses the demagnetization principle of armature reaction of direct current machine, specifies the implication of parallel operation of synchronization generator by quasi-synchronous method, thereby understands relative concepts deeply. 分析了电机中铁心损耗的形成机理及其本质,讨论了直流电机电枢反应的去磁机理,明确了同步发电机准同期并列的含义,从而深刻理解有关基本概念。
The Quasi-Synchronous Window and Its Application in the Measurement of Signal Distortion with High Accuracy 准同步窗及其在高精度失真度测量中的应用
Using quasi-synchronous sampling method and numeric integration algorithm, the measurement meter calculates hysteresis loop and characteristic values like core losses and permeability. 采用准同步采样方法和数值积分算法,计算磁滞回线和损耗、磁导率等参数。
Analysis of Quasi-Synchronous Broadband CDMA Mobile Satellite Communication 准同步宽带CDMA卫星移动通信分析
Application of the quasi-synchronous sampling method in the measuring control instrument for electricity 准同步采样法在配电综合测控仪中的应用
The technique of quasi-synchronous window and its application in signal distortion measurement are introduced in this paper. 主要介绍了准同步窗方法及其在失真度测量中的应用情况。
Research on Measurement of Signal Distortion Based on the Quasi-synchronous Technique 基于准同步技术的失真度测量方法研究
The quasi-synchronous technique, which means that sampling period doesn't synchronize with signal period strictly, is discussed. 主要讨论了测量失真度的准同步方法&采样周期不要求与信号周期严格同步。
A new sampling method, namely quasi-synchronous sampling was proposed. The sampling period is not necessarily to be strictly synchronous to that of the signal. 介绍了一种新的采样算法,即准同步采样,其采样周期不要求与信号周期严格同步。
This paper introduces a system of harmonic analysis, which applies quasi-synchronous sampling arithmetic and DSP. 介绍一种DSP准同步谐波分析系统。
A measurement scheme, which is comprised of quasi-synchronous sampling method, curve-fit method and digitized notch filtering method, is proposed according to the features of signal under test, and measurement accuracy is improved by this means. 根据被测信号的不同特点,文中提出了基于准同步法、曲线拟合法和数字陷波滤波法的失真度测量方案,以提高失真度的测量准确度。
Performance Analysis of Quasi-Synchronous MC-DS-CDMA system Employing GO sequences in AWGN channel AWGN信道下基于广义正交序列的准同步MC-DS-CDMA系统性能分析
This paper discusses the plan of decreasing the errors of harmonics analysis based on the quasi-synchronous sampling method. According to the conclusions of computer simulation calculations, the designed plan could improve measurement accuracy of harmonic amplitude and phase. 本文在准同步采样谐波分析法的基础上,提出了进一步减小谐波分析误差的方法,通过计算机仿真实验证实,该方法能有效的提高基波与高次谐波幅值与相位测量准确度。
This paper presented one strategy to realize quasi-synchronous in satellite environment, and discussed its feasibility. 然后针对卫星移动环境提出了一种准同步实现策略,并对其可行性进行了论证。
The research results show that among the proposed sequences, there is a subclass of sequences with zero correlation zone which can be used in quasi-synchronous CDMA systems; 研究结果表明:该序列族存在一类具有零相关区的子序列族,适用于准同步CDMA通信系统;
Using the quasi-synchronous sampling harmonic analysis method, the paper researches on the dissipation factor measurement technique for the variable frequency ( 30~ 300Hz) test. 采用准同步采样谐波分析方法,对变频(30~300Hz)谐振电压下介质损耗测量技术进行了研究。
From Apr. 1997 to Jun. 1998, the monthly mean SST change trend is quasi-synchronous. 结果表明,1997年4月至1998年6月,月平均SST呈准同步变化趋势。
Quasi-synchronous harmonic analysis system based on DSP 准同步谐波分析的DSP实现
Application of phase lock multiple frequency synchronous sampling and quasi-synchronous sampling to measurement of harmonics 锁相倍频和准同步采样法在谐波测量中的应用
As the telecommunications transmission technology continues to develop, synchronous digital hierarchy ( SDH) gradually replaced the quasi-synchronous digital hierarchy ( PDH). 随着电信传输技术的不断发展,准同步数字系列(PDH)逐渐被同步数字系列(SDH)取代了。
Therefore generator terminal voltage vector is selected as quasi-synchronous reference axis relative to rotor, and the generator model in two reference frames is established. 故选择机端电压矢量作为转子准同步参考轴,建立了基于单机二系坐标的发电机模型。
The last part of the paper is to research the MC-CDMA system uplink quasi-synchronous problem. 本文的最后一部分研究了MC-CDMA系统上行链路准同步问题。
In the quasi-synchronous CDMA system, the request to adopt the spreading sequence is that the sequence should have perfect correlation properties in the synchronous error ( near the zero time delay), the zero-correlation zone ( ZCZ) sequence is just fit for the need. 在准同步CDMA通信系统中,对所采用扩频地址码的要求是在同步误差范围内(零时延附近)具有理想的相关特性,零相关区(ZCZ)序列就是能够满足这样要求的序列。
Above all works have given a better basis for study the performance of quasi-synchronous frequency hopping systems over multipath fading channels. 本文的仿真研究为今后研究无碰撞区准同步跳频系统如何克服多径衰落建立了较好的基础。
The excellent correlation characteristics is reflected not only in the relatively small hump, but also because it has a wider zero correlation window, which is quasi-synchronous system can be used in the determining factor. LAS序列的相关特性不仅体现在相关函数副峰值比较小,而且还因为其具有一个宽度很大的零相关窗,这是能够应用于准同步系统中的决定因素。