mid-frequency band 中频带 ; 中频道
video frequency band 视频频段 ; 视频带 ; 视频
audio frequency band 音频频带 ; 声频带
high frequency band 高频频带
radar frequency band [雷达] 雷达频段 ; 雷达波段 ; 微波频段划分
assigned frequency band [通信] 指配频带 ; 分配频带 ; 指定频带
limiting of frequency band 频带限制
fundamental frequency band 基谐频带 ; [物] 基频谱带
very-high frequency band 甚高频频带 ; 甚高频段
MQAM is a modulation technology that has a higher utilization ratio of frequency band.
MQAM调制技术是一种频带利用率较高的调制技术,在移动通信系统中使用,在一定程度上将会减缓移动通信频带资源紧张的情况。
参考来源 - 变速率MQAM调制技术的研究及其在移动通信中的应用Bluetooth uses the same 2.4GHZ frequency band as 802.1 Ib does for wireless communication.
与IEEE802.11b一样,蓝牙也是使用2.4GHz频段的无线通信技术。
参考来源 - 蓝牙协议栈的研究及其C语言实现In order to reduce the amount of regulation and the regulating burden and to minimize the operating cost,this paper presents the regulating target of frequency should be extend to frequency band from scheduled value,then improves the CPS standard.
针对实际电网频率控制目标为计划值导致机组调节频繁、调节压力大等缺陷和频率合格率指标远高于考核要求的非必要性,提出了频率控制目标由计划值扩展到频率带的概念,进而对CPS标准进行了改进。
参考来源 - 改进CPS标准及其控制策略的研究This paper introduces the principle and frequency band of JTIDS system,analyzes its anti-jamming capability and the necessary number of channel interference.
文章简要介绍了JTIDS系统的原理和频段,分析了它的抗干扰性能和拦阻式干扰所需要的干扰信道数。
参考来源 - 对JTIDS拦阻式干扰的研究The problem of the frequency band derangement in wavelet packet algorithm is also solved. It is to be more powerful and valuable in application compared with other algorithms.
由于算法中采用了频移技术,在小波分解中避免了频率的折叠现象,同时在小波包算法中也解决了频带的错位问题。
参考来源 - 一种无频带错位的小波包算法·2,447,543篇论文数据,部分数据来源于NoteExpress
N a continuous range of frequencies, esp in the radio spectrum, between two limiting frequencies 频带
The European HiperLAN standard operates in same frequency band as the U-NII.
欧洲超级无线局域网的标准工作频率与 U-NII 相同。
The RF-7800V provides continuous coverage in the 30 to 108 MHZ frequency band at up to 50 watts of power.
还可在50w功率下提供30-108MHz的持续性频率覆盖。
At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
最后通过对能反映源特征的频带信号进行重构,这样能更好更有效的提取声发射信号的本质特征。
应用推荐