English translation for "guard intervals"
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- 保护间隙
Related Translations:
- Example Sentences:
| 1. | The effects , caused by rms delay spread estimation , on choosing the right guard interval length is also discussed . simulation results are given as well
分析了rms时延扩展估计误差对于保护间隔长度选定的影响，并给出仿真结果。 | | 2. | Later , simulates the ofdm system by matlab software , researchs the effect about ofdm system by mapping , guard interval , sub - carrier and channel
然后通过matlab软件对ofdm系统进行了仿真分析，研究了调制映射，保护间隔，子载波和信道对ofdm系统的影响，并得出了一些结论。 | | 3. | The advantages and drawbacks of the traditional ofdm systems are fully analyzed . hoping to overcome the drawbacks , the aofdm system is designed . the concept of variable guard interval is introduced into aofdm system for the first time
分析了传统的ofdm所存在的优缺点，在此基础上提出了aofdm系统，并首次将可变保护间隔的概念引入aofdm系统。 | | 4. | Based on the cyclic prefix property of the guard intervals , it provides estimates for sampling positions of isi - free region by combining the techniques of delay conjugate multiplication , phase difference , symbol - by - symbol average , and edge detection
以护卫区间循环前置的特性为基础，结合延迟共轭相乘、相位差分、符元对符元之区段式平均以及边界侦测等技术来估计非码际干扰区间的位置。 | | 5. | To increase the spectrum efficiency of the ofdm system , a novel aofdm ( adaptive ofdm ) system , which can change its modulation type and length of guard interval according to the estimated channel information , is designed
为了提高ofdm的频谱效率，我们设计了一个能根据信道特征动态改变其调制方式以及保护间隔的自适应ofdm ( aofdm ， adaptiveorthogonalfrequencydivisionmultiplexing )系统。 | | 6. | Based on the coherent reception theory of radio signals and the theory of digital signal processing , the effects of carrier frequency offset , sampling clock offset , and symbol timing offset on ofdm signals are exploited . a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation , frequency - domain frequency offset , sampling offset , and symbol timing offset estimation
以无线信号的相干接收和数字信号处理理论为基础，就载波频偏、采样钟偏差和符号定时偏差对ofdm信号的影响进行了分析，对基于保护间隔的符号定时与载波频偏估计算法和多种现有频偏、采样钟与符号定时偏差的频域估计算法进行了研究，提出了一系列改进措施与新算法。 | | 7. | With the development of dsp chip techniques and the introduction of some mature techniques , such as fft / ifft , the application of 64 / 128 / 256 qam in high - speed modem , tcm , adaptive channel equalization , the insertion of guard interval and so on , people are starting to focus on the application of ofdm in the field of mobile communications
随著dsp芯片技术的发展，傅立叶变换反变换、高速modem采用的64 128 256qam技术、栅格编码技术、软判决技术、信道自适应技术、插入保护时段、减少均衡计算量等成熟技术的逐步引入，人们开始集中越来越多的精力开发ofdm技术在移动通信领域的应用。 | | 8. | And pays emphasis on analyzing the system structure and system flow , the core techniques , the channel characteristic and parameters of dvb - t system . the system adopts some core techniques such as cofdm , a lot of tps ( transmission parameter signalling ) insert and guard interval , and so on . so it can withstand high - level ( up to odb ) , long delay static and dynamic multipath distortion
论文首先描述了数字电视地面广播的需求条件，技术难点和目前存在的问题，并重点分析了dvb - t系统结构流程，核心技术及系统信道特性和参数，该系统采用了cofdm (编码正交频分多路复用) ，大量导频信号插入和保护间隔技术等核心技术，使之能抵抗高电平( 0db ) ，长延时的静态和动态多径失真，有利于数字和模拟电视的混合传输，它的多载波调制模式功能和性能在移动和便携接收、同频网等方面具有独特的优势。 | | 9. | However , to the essential of communication technology , those techniques are all change in transmission medium or channel . recently , because of the development of dsp , ifft / fft , 46 / 128 / 256qam using in high - speed modem , and gradual introduction of new coding technique , soft decision technique , channel self - adapting , guard interval , ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention . as a technology of high - speed transmission , ofdm can resist isi effectively
近年来，随着dsp芯片技术的发展，傅立叶变换反变换、高速modem采用的64 128 256qam技术、栅格编码技术、软判决技术、信道自适应技术、插入保护时段、减少均衡计算量等成熟技术的逐步引入，正交频分复用ofdm ( orthogonalfrequencydivisionmultiplexing )作为一种可以有效对抗信号波形间干扰的高速传输技术，引起了广泛关注。 |
- Similar Words：
- "guard hairs" English translation, "guard hall" English translation, "guard heel" English translation, "guard hoop" English translation, "guard house" English translation, "guard kiosk" English translation, "guard lamp" English translation, "guard line" English translation, "guard lock" English translation, "guard log" English translation
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