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在机动目标跟踪中，机动目标模型是机动目标跟踪的基本要素之一，一般希望机动目标模型能准确表征目标机动时的各种运动状态。比较常用的模型有匀速运动(CV)模型、匀加速运动(CA) 模型、时间相关模型（Singer）和机动目标“当前”统计模型。上述模型均采用机动频率表征目标的机动情况。在应用当中，通常采用固定的机动频率，这就表示机动目标的机动时间是一定的，而实际上机动目标的机动时间是不断变化的，也就是说机动频率是不断变化的，采用固定机动频率必然会带来误差。采样周期在0.5—2S时，机动频率越小跟踪精度越
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波形检测，线性跟踪，通过旋钮调控振幅和频率。-Waveform detection, linear tracking, amplitude and frequency by knob control.
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基于风能的充分利用, 从分析风力机运行特性出发, 针对变速恒频风力发电系统的特点, 综述了捕获最
大风能的方法,-Based on the full use o f wind ener gy , the operating char act eristics of the w ind turbine and the character
istics of v ariable speed co nstant frequency( VSCF) w ind pow er g ener at i
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用c#方法描述了话题识别（话题跟踪与检测）的过程，主要是提取特征词、特征词词频计算、权重计算（tfidf方法），进行相似度计算，最后聚类-C# method describes the process of topic identification (topic tracking and detection), the word feature extraction, feature words word frequency calculation, weight to calculate me
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The model used for creating the reference voltage is shown
in Fig. 4. First, photovoltaic output current (Ipv) and output
voltage (Vpv) are passed through a first order low pass filter
with a magnitude of G = 1 and a time constant of T = 0.0
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能量熵的计算，均值便宜跟踪的示例，小波包分析提取振动信号中的特征频率。- Energy entropy calculation, Example tracking mean cheap, Wavelet packet analysis to extract vibration signal characteristic frequency.
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均值便宜跟踪的示例，小波包分析提取振动信号中的特征频率，包含优化类的几个简单示例程序。- Example tracking mean cheap, Wavelet packet analysis to extract vibration signal characteristic frequency, Optimization class contains several simple sample programs.
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有借鉴意义哦，详细画出了时域和频域的相关图，均值便宜跟踪的示例。- There are reference Oh, Correlation diagram shown in detail the time domain and frequency domain, Example tracking mean cheap.
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包括压缩比、运行时间和计算复原图像的峰值信噪比,分析了该信号的时域、频域、倒谱，循环谱等,部分实现了追踪测速迭代松弛算法。- Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Parti
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多目标跟踪的粒子滤波器，内含心电信号数据及运用MATLAB写的源代码，处理信号的时频分析。- Multi-target tracking particle filter, ECG data and includes source code written in MATLAB, When processing a signal frequency analysis.
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使用最小二乘法、最大似然法、奇异值分解法估计信号中正弦分量频率的python代码。可用于频率追踪。-
Using a least squares method, maximum likelihood method, singular value decomposition method to estimate the signal frequency sinusoidal component python code. It can be used for frequency tracking
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部分实现了追踪测速迭代松弛算法，汽车课设货车Matlab驱动力图程序，分析了该信号的时域、频域、倒谱，循环谱等。- Partially achieved tracking speed iterative relaxation algorithm, Car class-based truck driver trying to Matlab program, Analysis of the signal time domain, frequency domain, cepstrum, cyclic
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部分实现了追踪测速迭代松弛算法，有循环检测，周期性检测，处理信号的时频分析。- Partially achieved tracking speed iterative relaxation algorithm, There are cycle detection, periodic testing, When processing a signal frequency analysis.
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详细画出了时域和频域的相关图，鲁棒性好，性能优越，均值便宜跟踪的示例。- Correlation diagram shown in detail the time domain and frequency domain, Robustness, superior performance, Example tracking mean cheap.
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使用起来非常方便，详细画出了时域和频域的相关图，均值便宜跟踪的示例。- Very convenient to use, Correlation diagram shown in detail the time domain and frequency domain, Example tracking mean cheap.
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针对EMD方法的不足,处理信号的时频分析，多目标跟踪的粒子滤波器。- For lack of EMD, When processing a signal frequency analysis, Multi-target tracking particle filter.
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电网同步跟踪技术，自己搭的锁相环,可以运行出来。有频率跟踪，还有正负序分离-Grid synchronization tracking technology, take their own phase-locked loop, you can run out. There is frequency tracking, there are positive and negative sequence separation
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超音频串联谐振式感应加热电源为研究对象，应用锁相环和PID 技术，采用数字信号处理器(DSP)和复杂可编程逻辑器件(CPLD)联合控制的数字化技术实现感应加热电源的频率跟踪和0°～180° 自由移相调功，为感应加热电源系统的数字化、信息化、柔性化、智能化控制提供了优质、可靠的技术基础。(Superaudio series resonant induction heating power supply as the research object, the application of PLL a
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针对倍频电源的主电路拓扑结构，研究分析一种分时控制与密度调功相结合的分时一密度复合功率控制策略，并应用复杂可编程逻辑器件CPLD和数字信号处理器DSP的协调工作来实现分时一密度复合调功、频率跟踪控制及保护等，以MOSFET为主控器件，采用倍频的方式实现700kHz／10kW高频大功率感应加热电源。(In view of the main circuit topology of frequency doubling power supply, a time-sharing and one dens
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采用SG3525实现感应加热电源的频率跟踪。(SG3525 is used to realize frequency tracking of induction heating power supply.)
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