提出了一种新的正弦信号频率估计方法。
A new method for estimating the frequency of a sinusoid signal is proposed.
本文讨论高斯有色噪声中的正弦信号参量估计问题。
This paper discusses the problem of estimating the parameters of sinusoidal signals in colored Gaussian noises.
在许多测试仪中需要用标准的正弦信号检测一些物理量。
In many tester using standard need in the sine signal detection some physical quantities.
本dds程控正弦信号发生器系统基于计算机串行接口。
This DDS program-controlled sine signal generator system is based upon computer's serial interface.
部分数字化控制逆变器中的基准正弦信号由微处理器产生。
In some digitized control inverters, the reference sine signal are generated by Microprocessor.
本文致力于研究噪声抵消、正弦信号检测及参数估计等问题。
This dissertation is devoted to the study of noise suppression, sinusoid signal parameters estimation and detection.
本文论述白色噪声淹没下有限个二维正弦信号的谱估计问题。
This paper is concerned with spectral estimation of a finite number of twodimensional sinusoids embedded in white noise.
本文提出了一种估计具有先验知识的多正弦信号参数的改进方法。
An improved approach is proposed for the sinusoidal retrieval in the presence of prior knowledge.
研究了多信号检测，分析了检测性能随正弦信号个数和幅度比的变化。
Detection of multiple signals is studied, the change of detection performance is analyzed what is contact with the number of sinusoid signals and the ratio of each amplitude.
介绍了测量正弦信号的频域方法——传统谱估计方法及现代谱估计方法。
The frequency methods of measuring sine signal are introduced, which are traditional spectrum estimation and modern spectrum estimation.
对正弦信号数字合成方法进行了研究，并提出了一种新的数字合成方法。
The method of digit synthesis for sinusoid signal is studied, also a new digit synthesis method is advanced.
正弦信号矢量电压的测量，是可以从取样得到的时间离散信号序列中获取。
The measurement of vector voltage can be got from the discrete sequential data of a sampled singal.
本文提出了一种在加性复高斯白噪声中对单频复正弦信号频率的估计方法。
A method for estimating the frequency of a complex sinusoid in additive complex white Gaussian noise is proposed.
基于DFT和自相关理论，该文提出了一种双正弦信号频率的快速估计方法。
A method, which realizes the fast frequency measurement for dual sinusoidal signals basing on DFT and autocorrelation theory, is given.
以往这类问题主要针对一维稀疏向量，且都直接采用正弦信号模型开始分析。
Previous sparse band coherent processing methods are mainly for one-dimensional sparse vector and directly use sine signal model for analysis.
当水平方向偏转电压为正弦信号时，屏上电子的扫描轨迹也按正弦规律变化。
When exert a sine signal, the trace of electron beam on screen also changes along sine signal.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
正弦信号采用查表的方法，解决了以往信号发生器无法产生小周期正弦信号的难题。
By the method of looking up table, the sinusoidal signal can produce little periodic signal, which is difficult for the previous signal generators.
正弦信号用作标准信号时，要求正弦信号必须有较高的精度、稳定度及较低的失真率。
Sine signals used as standard signal, sine signal requirements must be more precision, stability and low distortion rate.
FFT对于正弦信号而言是匹配滤波器，随着积累时间的增加匹配滤波器的带宽会随之减少。
The FFT is a match filter for sinusoid signal, and the band width of the match filter will decrease with increase in integrated time .
临界混沌状态的周期振子对噪声具有免疫力，而对微弱的正弦信号或相位编码信号比较敏感。
The periodic oscillators at critical state are immune to noise and have sensitive dependence on weak sine signals or phase-coded signals at the same time.
对于非线性元件的输出为单值而输入有多值的情况，令输出为正弦信号，输入包含有各次谐波。
If the nonlinear element has a single output and multiple input values, the output signal is taken to be sinusoidal and the inputs contain harmonics.
对聚苯胺体系电流变流体在正弦信号作用下的阻尼力响应及其频谱特性进行了理论和实验研究。
The dynamic properties of ER (electrorheological fluid), such as the damping force response and spectra of damping force, have been studied under the sinuous input excitation signal.
理论分析表明，正弦信号、带直流偏置的正弦信号和方波对光调制器的驱动结果是完全不同的。
The theoretical research shows that the effect of the driving signals of the sinusoidal wave and the sinusoidal wave with a bias and the square wave on the optical modulator is completely different.
对正弦信号相位差估计的取样积分和互相关两种方法的理论进行了分析，并进行了数字仿真实验。
The theories of the sample integral and the cross - mutuality for the sinusoidal signal phase difference estimation are analyzed, and the digital simulation experiment is carried out.
该系统模拟生成一畸变正弦信号，并运用该系统实现谐波的在线监测分析，得出其基波与谐波的情况。
A distorted sine signal is simulated in the system, and the on-line harmonic monitoring is carried out through this system, revealing the state of its basic wave and harmonic waves.
该系统模拟生成一畸变正弦信号，并运用该系统实现谐波的在线监测分析，得出其基波与谐波的情况。
A distorted sine signal is simulated in this paper, and the harmonic analysis is carried out through the above measure, revealing the state of its basic wave and harmonic waves.
在宽带自相关接收机中，自混频后的信号为正弦信号，本文提出了一种综合算法估计正弦信号的频率。
In wideband auto-correlation receiver, signal after self-mixing is sine signal. A synthetic algorithm is proposed for sine signal frequency estimation.
变压器的空载试验中，由于功率因数低，空载电流不是正弦信号，高精度测量其有功功率具有一定的难度。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
简述了实现控制信号的思想，详述了HPWM的产生原理、基准正弦信号产生方式、PI调节的数字化过程。
The idea of realizing HPWM based on DSP is introduced in brief, the principle for realizing HPWM and fiducially sinusoidal wave-form and the implementation of digital PI are presented in detail.
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