频比的英文

frequency ratio

• 频:    frequent
• 比:    2
• 场频比:    field to frequency ...

例句与用法

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1. The mobile multimedia communication system need to support the transmission of high - speed data and variable speed data compared with the ordinary spread spectrum communication . the data rate ranges from several kbps to hundred kbps for wide up to 2mbps . in order to assure different data rate to transmission in the same spread spectrum bandwidth , we need to use different lengths and orthogonal pn codes
   传统移动通信系统所提供的数据速率一般只有几kbps ，而移动多媒体通信所要求的数据速率范围为几mbps甚至几十mbps ，在同一扩频系统内传输多媒体的扩频比也不一样，就要采用不同长度的伪码，而且伪码之间必须保证正交性或准正交性。
2. As for the feature of mandarin digit speech , the existing arithmetic is cited to design the software system , and the design process is described in the part . here , the shore - time ^ relative efp ( energy - frequency - product ) is used to make the capsheaf of chinese speech signal , and the short - time relative efq ( energy - frequency - quotient ) is used to separate its syllable and consonant - vowel segment , and it improves the correct rate
   本文采用的汉语语音的端点信号的检测和清浊音信号切分方法是：短时相对能频积的方法对汉语语音信号的端点进行检测；短时相对能频比的方法对语音信号的清浊音进行切分，提高汉语语音信号切分的成功率。