• Statistical experiments and the application of the relative error spread rule were employed.

    研究方法统计试验法,相对误差理论与误差传播定律运用。

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  • At the same time, according to the reservoir storage calculative model and error spread theory, this study has explored a kind of accurate valuation method of river -.

    同时研究根据库容计算模型误差传播理论,提出河道型水库库容计算成果的精度评价方法

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  • As simple as the spread may seem, a lot of trial and error went into the design as with all of the spreads seen so far.

    扩展页面看上去虽然简单,但是页面设计中也经历了许多尝试错误才达到现在效果

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  • Measuring the speed, range and the actual speed of the ship, the range of error was mainly due to the spread of ultrasound in the water caused by the change in speed, the error is relatively small.

    测量航速航程船舶实际航速、航程存在的误差,主要由于超声波水中传播速度发生变化引起的,误差相对较小。

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  • However, there was still a considerable proportion of respondents for how HIV spread awareness of the existence of error.

    然而仍然相当比例被访者对于艾滋病病毒如何具体传播存在错误认识

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  • There exists a big error for long spread seismic data process in conventional velocity scanning.

    常规速度扫描处理排列地震资料时会出现较大偏差

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  • The error rate model is one of the key indexes of underwater acoustic spread spectrum communications system.

    误码率模型水声扩频通信系统性能关键指标之一

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  • Background error covariance is an important part of variational data assimilation system, which is used to spread the observation information to other grid points and vertical levels of the model.

    背景误差协方差变分资料同化系统中的一个重要组成部分观测信息从观测点传播到周围模式垂直层上

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  • This paper proposes a problem that the error tolerance property of spread spectrum sequence influences the performance of spread spectrum system.

    提出扩频码(序列容错能力影响扩频系统性能问题

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  • Jamyang's goal is to spread the Dharma without error, for the reason that Dharma is the source of everlasting happiness for sentient beings.

    蒋扬目标无误地传达佛法因为佛法是终生长久快乐源泉

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  • On the sending end, the paper focuses on Error Control Coding, Waveform Shaping, Spread Spectrum and 8PSK modulation, etc.

    发送,主要研究差错控制编码波形成形扩频8PSK调制等关键技术;

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  • Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...

    结果表明移动卫星信道存在多径阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。

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  • Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...

    结果表明移动卫星信道存在多径阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。

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