frequency agility
英 [ˈfriːkwənsi əˈdʒɪlɪti]
美 [ˈfriːkwənsi əˈdʒɪləti]
网络 频率捷变; 快速频率切换; 频率跳变; 捷变; 频率侦侧与跳频
双语例句
- It is of very important military application value to research the coherent processing mode of radar in the state of frequency agility.
研究雷达在捷变频状态时的相参处理方式具有重要的军事应用价值。 - Effect of Frequency Agility on Radar Detection Performance under Confront Situation and the Research for ECCM Performance Evaluation
动态对抗下捷变频对雷达检测性能的影响及其抗干扰性能度量研究 - Frequency agility is used by most of modern military radars, which makes it difficult for anti-radiation seeker to reconnoiter the signals.
现在的军事雷达大多数采用捷变频技术，这给反辐射导引头侦察雷达信号带来了困难。 - This paper analyzes the technology of frequency agility and FM fixed-distance in the field of radio fuze.
本文研究了无线电引信中的频率捷变调频定距技术。 - Analysis of Echo Signal Characteristic of Moving Target in The State of Pulse-to-pulse Random Frequency Agility
脉间随机捷变频状态下运动目标回波特征分析 - Analyses the defect of the frequency calibration in traditional frequency agility radar signal generator, designs the new circuit of frequency calibration in which works and calibrates simultaneously, improving the frequency precision and the time of working stably.
分析了原有频率捷变雷达信号源中频率校准方法存在的缺陷，在此基础上设计了实时校准的频率校准电路，提高了信号源的频率跟踪精度和稳定工作时间。 - Evaluation of Frequency Agility Radar'S Adaptive Control System
雷达频率捷变自适应系统评估 - We develop the technology of adaptive frequency agility based on CPLD to maintain the detection ability under the severe jamming environment.
并且开发了基于CPLD的自适应频率捷变技术，保障雷达能在恶劣干扰环境下维持其检测性能； - The Technology of Work and Calibration Simultaneously in Frequency Agility Radar Signal Generator
频率捷变雷达信号源实时校准技术研究 - Digital Phase-locked Local Oscillator for Frequency Agility Radar
用于捷变频雷达的数字锁相本振跟踪源 - This method is suitable for identifying PRF jittering, PRF staggering, frequency agility and frequency diversity etc.
可分选出的信号有抖动信号、重频参差、频率捷变及频率分集信号等。 - In chapter 2, the theories and technologies of suppressing glint and improving angle measuring accuracy for frequency agility radar are studied.
第二章主要研究捷变频雷达中抑制角闪烁、改善测角精度的理论方法。 - Study on Frequency-Domain Intercept Technique for Frequency Agility Radar
捷变频雷达信号频域侦察截获技术研究 - For the glint occurring in angular tracking of wide-band millimeter radar, a method for glint suppression is introduced based on frequency agility.
本文针对宽带毫米波雷达角跟踪中的角闪烁问题，研究了一种利用频率捷变技术获取目标回波信号的多个独立样本来抑制角闪烁的方法。 - The simulation results verify the validity of the theory of frequency agility and modified AR model, as well as the advantage and practicability with the combination of two methods when comparing with other methods.
计算机仿真实验结果验证了频率捷变和修正AR模型算法理论的正确性，以及在与其他方法比较的情况下，两者结合在去相关性能上的优越性和工程实用性。 - A frequency synthesizer with low phase noise, high spectrum purity and rapid frequency agility for a phased array radar is describe.
讨论了用于相控阵雷达的低相位噪声、高频谱纯度、快速频率捷变的频率综合器。 - To accomplish this RCS weighting method, frequency agility is employed to get independent samples of target echo signal.
为实现这一方法，采用了频率捷变技术来获取目标回波信号的多个独立样本。 - Research of Radar Angular Glint Suppression Based on Frequency Agility and RCS Weighting
基于频率捷变和RCS加权抑制雷达角闪烁的研究 - This paper introduces a manner of designing the high performance direct frequency synthesizer in S-band which has low phase noise, low spurious, smaller size and faster frequency agility.
本文介绍一种高性能的S波段直接频率合成器的设计方法，它具有相噪低、杂散小、体积小、捷变频等特点。 - Principle of frequency agility radar to resist narrow-band clutter jamming and to reject sea wave clutter is introduced in this paper.
介绍了频率捷变雷达抗窄带杂波干扰与抑制海浪杂波的原理。 - Study on Compatibility of Frequency Agility Technique and Doppler Filtering
频率捷变技术与多普勒滤波的兼容性研究 - A Fast Automatic Frequency Regulation System of Frequency Agility Radar
频率捷变雷达的快速自动频率调整系统 - The random frequency agility and the random jitter of PRI may ensure the radar with strong abilities of anti-reconnaissance and anti-jamming.
随机频率捷变和脉冲重复周期随机抖动可以使雷达具有较强的抗侦察、抗干扰能力。 - Many systems, especially the radar system compatible with Doppler Pulse Technology and Code Hopping Technology, require that the frequency synthesizer has high performance in frequency agility and low phase noise characteristics.
由于电子对抗的需要，很多系统对频率合成器的频率捷变性能和相位噪声特性提出了越来越高的要求，特别是在脉冲多普勒技术和码间跳频技术兼容的雷达系统中更是如此。 - It shows that frequency agility technology can enhance the power of received signal by simulations follow its principles. So it can enhance the ability of detecting targets on condition of multipath effect.
对频率捷变技术原理的仿真研究表明频率捷变可以提高回波功率，从而可增强雷达在存在多径干扰的情况下探测到目标的能力。 - Because the Direct Analog Frequency Synthesis has the disadvantages of big volume, high cost, complex circuits, this project achieves frequency agility frequency synthesizer with Direct Digital Synthesis through frequency conversion.
由于直接模拟式频率合成体积大、成本高、电路复杂，本课题采用的是利用直接数字式频率合成通过变频的方式实现捷变频频率合成。 - These are two ways to achieve frequency agility frequency synthesizer, one is Direct Analog Frequency Synthesis, and the other is Direct Digital Synthesis ( DDS).
要实现捷变频频率合成，可以采用直接模拟式频率合成和直接数字式频率合成（DDS）两种方式。 - The systems widely apply frequency agility technology to avoid reconnaissance and interference, this technology have very broad working frequency.
为避开侦察和干扰广泛采用捷变频技术，它的频率范围很宽。 - In modern warfare environment, the signal frequency coverage becomes wider ( from2GHz to18GHz) and the signal parameters and forms change more complex ( frequency agility, pulse compression, frequency hopping and spread spectrum).
现代战争环境中，信号频率的覆盖范围广（0-18GHz），信号参数多变，信号形式也日益复杂，有频率捷变，脉冲压缩，跳频扩频等多种信号形式。 - The technical performance of radar frequency source good or bad will directly affect the performance of radar systems. A wide range of frequency hopping, high frequency resolution, frequency agility and low phase noise, low spurious is the characteristics of modern radar frequency source.
雷达频率源技术性能将直接影响雷达系统性能，而宽频带，高分辨率、频率捷变和低相位噪声、低杂散成为现代雷达频率源的主要技术指标和特点。