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- jamming signal bandwidth 干扰信号带宽
- A T/H stage is added in the front for high signal bandwidth. 电路的最前端加入了采样保持单元来提高电路的带宽。
- The transmitting host generated a jam signal during the frame transmission. 那传输主人在体格传输期间产生了一罐果酱信号。
- The detection performance of receiver to noise jamming signal was improved remarkably by accumulation detection. 通过积累检测显著地改善了接收机对噪声干扰类信号的检测性能。
- Then, the modulation classifications of jamming signal are done by forth-order cumulant as classification features. 以信号四阶累积量为识别特征对干扰信号的调制方式进行识别。
- Even with improvements to the phone system allowing higher speeds, this splitting of available phone signal bandwidth still imposed a half-speed limit on modems. 通过改进电话系统可以允许更高的速度,分离的可用电话信号带宽依然受到Modem强制半速限制。
- The jamming signal is produced by cryptographic algorithm, with good restoration resistance. 干扰信号由算法产生,具有良好的抗还原性能。
- The signal spectra width is worked out in the range of phase-mismatching and the curve of signal bandwidth along with the signal wavelength is obtained by numerical calculation. 推导了在允许相位失配范围内谱线宽度表达式。通过数值计算,得到谱线宽度与输出光波长关系曲线。
- The required signal bandwidth is 1.25MHz.This modulator uses MASH2-1-1mbit architecture with 4 bit quantizer in the last stage and OSR of 16 which means 40MHz sampling frequency. 调制器信号带宽要求为1.;25MHz,结构采用MASH2-1-1mbit结构,最后一级采用4位量化,过采样率为16,采样频率为40MHz。
- If a radar operates passively, it can obtain the objective of passive direction finding against a jamming source by means of receiving and utilizing the jamming signal. 雷达无源工作时,可以接收和利用干扰信号对干扰源进行无源测向。
- The most commonly observed data pattern for a jam signal is simply a repeating one, zero, one, zero pattern, the same as Preamble. 拥挤讯号最常观察到的资料模式是简单地反覆的壹、零、壹、零样式,如同的前同步位元。
- Station 2 immediately truncated the current transmission, substituted the 32-bit jam signal and ceased all transmissions. 机台2马上切断目前的传输,代替的是32位元拥挤讯号和终止所有传输。
- The use of balanced transmission lines can help but if the signal bandwidth extends to DC there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal. 采用平衡传输线有助于改善信号完整性,但是对于带宽延伸到dc的信号,接收端要靠超高性能的仪表放大器来还原参考电平。
- The RF Power Amplifier(PA)in the transmission path which so far have been modelled as frequency independent(without memory effects) show memory effects due to the large signal bandwidth. 在宽带应用中,由于传输信号带宽增加,RF功率放大器不同于窄带输入下的无记忆特性,将表现出与频率有关的记忆非线性特性。
- Their withdrawal is currently proceeding under the curtain of a set of electronic jamming signals. 他们目前正在电子干扰信号的掩护下进行撤退。
- Then critical technologies of simulation system are discussed, including frame processing structure, FH sequence generator, simulation models of path loss and multipath channel, simulation of signal propagation delay and jamming signal etc. 其次,讨论了仿真系统实现的关键技术,包括帧处理结构、跳频序列发生器、路径损耗与多径信道仿真模型、信号传播延时及干扰信号的仿真等。
- The application of AR model power spectrum estimation in the field of anti-jamming is studied.The scheme of adaptively filtering jamming signal is also proposed and is realized based on DSPs. 本文在AR模型(自回归模型)功率谱估计方法的基础上,对其在抗干扰领域中的应用进行了研究,提出了自适应滤除干扰信号的方案,并对该方案进行了DSP实现。
- In this paper, experiences in searching and removing of jamming signals in nuclear magnetic resonance spectrometric analysis are introduced. 介绍了使用核磁共振谱仪检测中的干扰信号查找与排除的经验。
- A detailed investigation is given on the method of the general radar signal and the jam signal sorting and identification of ARRS in the complicated spatial signal environment with the aid of . 本文详细介绍了反辐射导引头在复杂的空间信号环境中对于常规雷达信号和干扰信号分选与识别的方法。
- S.Air Force, meanwhile, hopes that the technology will be able to shield satellite electronics from powerful jamming signals that might be beamed from enemy missiles. 同时,美国空军则希望这种技术可为卫星电子装置提供屏蔽,防范敌方飞弹可能发射的强力干扰讯号。
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