English translation for "频率扩展"
|
- frequency spread
Related Translations:
扩展形式: extend typestretched form 扩展版: black hawk down extended cutunderworld 词汇扩展: vocabulary development
- Example Sentences:
| 1. | Flex frequency level expander
频率扩展器 | | 2. | The research consists of several aspects as follows : the characteristics of uwac is analyzed , including the multi - path effect , the doppler shift effect , etc . . then the mathematics " model of uwac is given
研究内容主要包括以下几个方面： ?分析了多途时间扩展、多普勒频率扩展等水声信道的物理特性及水声信道的数学模型。 | | 3. | Two approaches to improve the robustness of the detector , each based on a different theirs distortion mechanism . one is based on the modeling as fast fading distortion ( ffd ) whose optimum detector is the segmented replica correlator ( src ) . the second approach is replica correlation integration ( rci ) for time spreading channel ( tsd )
从频率扩展信道( fastfadingdistortion ， ffd )和时间扩展信道( timespreadingdistortion , tsd )的形成机理出发建立了目标回波的数学模型，指出ffd和tsd的最佳检测器分别为分段副本相关器( src )和副本相关积分器( rci ) 。 | | 4. | It follows that the description of characteristics of g programming language in labview and the process of building virtual instruments . the paper provides a new spectrum analyzing method of the combination of spread spectrum with fft . at last it gives the arithmetic realization and programming diagram of every part of spectrum monitoring and signal searching
介绍了labview下如何通过计算机接口获取数据的过程，数据采集过程中各个参数的算法选择；同时阐述了labview平台下g语言的特点及构建虚拟仪器的过程，然后介绍了信号分析处理部分采用的频率扩展与fft相结合的频域分析方法；频谱监测部分各个模块的算法实现；最后给出了信号搜索部分的算法实现及其原理框图。 | | 5. | 2 . a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model . the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain
在目标散射中心建模方面，我们将浮点型遗传算法( fga )应用于实际人工目标的gtd模型参数的抽取，利用所抽取的模型参数完成了雷达散射截面rcs的频率扩展以及数据压缩，并利用扩展的数据提高了距离分辨率。 | | 6. | Since the energy of 18 - information track signal is concentrated around upper frequency and lower frequency , the frequency of the modulation signal is low , and it must have high resolution , we use zfft to detect it . as the energy of um - 71 signal is more concentrated , we use extreme value method to detect the frequency of modulation signal in frequency domain , which can satisfy the frequency resolution
针对18信息轨道信号能量集中在上、下边频附近且低频信息频率低的情况,提出了用zoom - fft ( zoom指频率扩展或细化,简称zfft )算法进行信号的局部放大检测低频信息,以提高信号的频率分辨率,而um - 71轨道信号能量集中在载频附近,在频域上采用极值法检测低频信息,即可满足信号频率分辨率的要求。 |
- Similar Words：
- "频率控制与分析设备" English translation, "频率控制与分析中心" English translation, "频率控制闸流晶体管电动机" English translation, "频率控制振荡器" English translation, "频率宽度" English translation, "频率扩展器" English translation, "频率老化" English translation, "频率累积分布" English translation, "频率累积分布曲线" English translation, "频率类型" English translation
|
|
|
