Today's companies are moving away from mass marketing and product variety marketing.

1、

Power spectrum density estimation.

功率谱密度估计.

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2、

This approach bases on the cross power spectrum estimation and phase compensation filtering.

该方案基于互功率谱的相位检测、相位补偿滤波两种算法.

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3、

The sea floor will be treated as a two-dimensional random field described a parameterized power spectrum.

在此研究中海底将被模拟成含有四个参数之二度空间随机场.

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4、

The use of auto-correlation function method and cycle map Method random signal power spectrum estimation . 2.

利用自相关函数法和周期图法实现随机信号的功率谱估计.

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5、

Classification of multi-signal power spectrum estimate.

多信号分类法估计的功率谱.

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6、

And through the infrared spectrum, the composition and structure of the product have been defined.

并通过红外光谱, 明确了产品的组成和结构.

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7、

The infrared spectrum is mostly dependent on the molecular vibration and molecular structures.

红外吸收光谱主要与分子振动和分子结构有关.

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8、

The expected molecular structure of CPAA made in our lab was identified from its infrared spectrum.

红外光谱分析表明,合成的CPAA乳液具有预期设计结构.

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9、

The structure of production was validated by mass spectrum, infrared spectrum, Magnetic resonance spectrum.

得到的产品经由质谱、红外光谱、核磁共振谱确认结构正确.

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10、

Effect of Inorganic Anion Doping on the Photo-catalytic Property of TiO _ 2 Film and Infrared Spectrum Analysis.

无机阴离子掺杂TiO_2薄膜光催化性能及红外光谱分析.

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11、

Using infrared spectrum of heat stabilizers mechanism research shows that, after joining stabilizer, PVC crystallinity, stability.

采用红外光谱对热稳定剂机理研究表明, 加入稳定剂后, PVC结晶度下降, 稳定性提高.

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12、

Based on the analysis of the sensor signal frequency spectrum is made with a SD 2380 instrument.

在分析该传感器信号的基础上,用SD2380动态分析仪作了频谱分析.

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13、

Through vibration frequency spectrum analysisof no-tillage seeder in field, its vibration characteristics were obtained.

通过对播种机的田间振动频谱分析, 得到了它的的振动特征.

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14、

A filter whose transfer function is matched with the frequency spectrum function of input signal.

其传递函数与输入信号的频谱函数相匹配的一种滤波器.

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15、

The Frequency Spectrum Dsitribution and Time Propagation of Voltage and Current pulse on a Transmission Line.

传输线上脉波电压及电流之频谱分布及时域传播.

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16、

The cost of carrying more energy is that the frequency spectrum is widened.

但该编码在提高信号能量的同时,展宽了频谱.

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17、

A bit of English Notes wavelet transform, used in calculating the frequency spectrum, suitable for beginners.

带点中文注释的小波变换, 计算频率谱用的, 适合初学者.

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18、

Compared to the frequency spectrum of those samples, the piezoelectric resonance modes were recognized.

配合频谱识别出了对应的压电谐振的模式.

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19、

Among the many Spread Spectrum technologies, Direct Sequence Spread Spectrum ( DSSS ) is a most popular technique.

直接序列扩频通信 ( DSSS ) 系统是应用最广泛的一种扩频通信方式.

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20、

Thus , the longer spread spectrum sequences can be used and the robustness accordingly enhanced.

Gold码的应用使得算法可以采用较长的扩频序列,提高了鲁棒性.

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