Chinese translation for "fourth power"
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- 四次方
Related Translations:
fourth: n.每月的四日；【音乐】四度音程，四度和音，第四音； 〔pl.〕 【商业】四级品。 a fourth part 四分之一。 the (glorious) F- ＝ the F- of July 美国独立纪念日。
- Example Sentences:
| 1. | We can raise any number to the fourth power by squaring it twice .
我们能把任一数平方两次就得到它的四次方。 | | 2. | On the fourth power mean of the general quadratic gauss sums
高斯公式和斯托克斯公式 | | 3. | On the fourth power mean value of a number theoretic function
一个数论函数的四次均值 | | 4. | On the general k - th gauss sums and their fourth power mean
和及其四次均值 | | 5. | On the fourth power mean of the general fourth gauss sum
关于广义四次高斯和的四次均值公式 | | 6. | Would be calculated as 5 to the fourth power , which would result in 625
将按“ （ 5的四次幂） ”进行计算，得到的结果为625 。 | | 7. | Where r is some constant which can be fiddled with . the important thing is that the cooling follows the fourth power law
是一个我们可以调整的常数。最重要的是冷却要遵循四次方法则。 | | 8. | The axial forces are related to oil supply pressure , and also to the square of rotary speed and the fourth power of effective diameter of circular circle
轴向力除了与供油压力有关外，主要是与泵轮转速的二次方和循环圆有效直径的四次方有关。 | | 9. | The potential applications of amr include both civil and military communication , especially non - cooperative communications and communication confrontation , such as identifying signals , supervising signals , distinguishing interference , electronic confrontation , analyzing military threat , etc . on the basis of our analysis to the existing research on feature abstraction , the related feature abstraction methods are optimized in this paper , resulting several effective methods such as the feature abstraction based on transformation domain , stepped voltage level analysis , normalized carrier - free spectral energy analysis , squared signal and fourth powered signal analysis , etc . both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed , and the former is selected as it is more appropriate for this research
调制类型的自动识别广泛应用于民用通信与军用通信，尤其是对于非合作性通信、通信对抗，比如：信号确认、信号监控、干扰辨识、电子对抗、软件无线电、电子救援、通信对抗、军事威胁分析等。本论文在分析现有研究的基础上，借鉴了已有的特征提取方法，对相关调制类型特征提取方法进行了优化，使用了一些有效的方法，如基于变换域特征提取方法、梯层电平分析方法、剔除载波后的归一化频域能量分析方法、信号平方后的频谱分析方法、信号四次方后的频谱分析方法等。通过对基于决策理论和基于人工神经网络两种识别算法进行分析，本论文选择了较适合的基于决策理论的识别算法。 | | 10. | Secondly , the paper researches blind estimation of signals parameters , including the carrier frequency , signal to noise ratio and symbol rate of digital modulations . thirdly , with the combination of parameters from early studies on the decision theory , a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal . based on these parameters , the proposed scheme is able to recognize 12 types of common used modulations , namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm
接着,对信号功率谱、平方谱及四次方谱进行研究,针对通信中常用的调制方式,结合前人提出的基于决策理论中的特征参数,设计了一组对信噪比和信号调制参数不敏感的分类特征参数,利用上述参数完成了一种基于信号频域的识别方法,可以对ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm这12种常用调制方式进行识别。 |
- Similar Words：
- "fourth parry" Chinese translation, "fourth party logistics" Chinese translation, "fourth pinion" Chinese translation, "fourth plan" Chinese translation, "fourth positive afterimage" Chinese translation, "fourth protocol" Chinese translation, "fourth puiler" Chinese translation, "fourth quarter" Chinese translation, "fourth rail" Chinese translation, "fourth republic" Chinese translation
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