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frequency jump
相关语句
  频率跃变
     Study of Frequency Jump Phenomenon Observed in Current-Fed Soft-Switched Converter
     电流型全桥软开关变换器的频率跃变现象分析
短句来源
  频率跳变
     The frequency locking, frequency jump between neighboring modes and the hysteresis phenomenon are observed.
     观察到锁频,相邻模式间的频率跳变及滞后等现象。
短句来源
  “frequency jump”译为未确定词的双语例句
     Synthesizers with low phase noise, highly pure spectrum, high resolution and fast frequency jump speed have dominating development direction of the frequency synthesis technology.
     低相位噪声、高纯频谱、高分辨率和高速频率捷变成为频率合成技术发展的主要趋势。
短句来源
     The paper introduces mainly the key part of PLL frequency jump synthesizer梩he design methods of loop filters for current charge pump PLL frequency synthesizer chip, and gives derivation of the design formulas and theory analysis of several passive loop filters.
     本文主要研究了微波锁相跳频源的理论分析与设计方法,以最流行的电荷泵PLL频率合成器芯片为核心,文章重点介绍了跳频源中的关键部件——环路滤波器的设计方法,并详细给出了几种无源环路滤波器的设计公式的推导和理论分析。
短句来源
     Some hybrid frequency synthesis methods for DDS+PLL which used usually are presented in the following section, and its analysis for phase noise, spur, and frequency jump speed was also introduced.
     接着对DDS+PLL频率合成器常用组合方案进行了介绍,并对DDS+PLL系统的相位噪声、杂散、频率转换速度进行了分析。
短句来源
     The circuit impedance analysis results show that the frequency jump phenomenon are rooted in appearance of the multi zero phase angle frequency in system impedance.
     此外,基于电路阻抗的分析结果表明系统的电路阻抗随着负载变化出现多零相位角频率,是引起该跃变现象的主要因素。
短句来源
     Low frequency jump of loudspeaker driven by constant voltage source
     恒压源驱动下的扬声器低频跳跃
短句来源
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  相似匹配句对
     FREQUENCY
     生死频率
短句来源
     Low Loss SAW Filters For Jump Frequency Source
     跳频源用低损耗声表面波滤波器
短句来源
     For instance, PLL frequency jump synthesizer for carrier wave;
     对于载波信号,采取锁相环跳频源的技术手段; 对于频率调制,采取可控元器件的LC压控振荡器;
短句来源
     Biodegrading frequency of C.
     在四种菌株降解胆固醇的比较中,C.
短句来源
     JUMP SHOT
     跳投
短句来源
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  frequency jump
A frequency jump by the same amount was seen in one case.
      
The feedback mechanism and the hydrodynamic instability theorem are proposed to predict correctly the frequency jump position, wave number and the convection speed of the self-sustained oscillating flow for different jet exit velocities.
      
These new tools allow such specific test signals as small slope linear chirp, phase jump and small frequency jump to be analyzed.
      
The observed frequency jump of the resonance peaks is due mainly to the relatively abrupt change in the dimensions of the crystal.
      
The emittance growth can be minimized if the phase oscillations come to a minimum at the position of the frequency jump.
      
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A Single-tuned Gunn diode oscillator is described, which is similar to Kurokawa circuit, except that resonant cavity empleys H011 mode high-Q cylindrical cavity. The load variation has small effect on oscillator frequency, thus avoiding the frequency jump generally occuring in reflection-cavity-stabilied oscillators when load or temperature varies. The noise level of this oscillator is even lower than that of other oscillators. With proper choice of parameters for the oscillator circuit, the oscillator...

A Single-tuned Gunn diode oscillator is described, which is similar to Kurokawa circuit, except that resonant cavity empleys H011 mode high-Q cylindrical cavity. The load variation has small effect on oscillator frequency, thus avoiding the frequency jump generally occuring in reflection-cavity-stabilied oscillators when load or temperature varies. The noise level of this oscillator is even lower than that of other oscillators. With proper choice of parameters for the oscillator circuit, the oscillator output power of 30-10bmW can be obtained with its efficiency of 40-60%, and mechanically tunable bandwidth greater than 600MHz. Different material for main cavity and tunable piston of the oscillator are adopted for temperature-compensation. The temperature cycling is conducted in the range of -40℃ to +70℃. As a consequecy, the frequency temperature coefficient is better than 0.08MHz/℃ and the power stability 0.022dB/℃.

本文报导了一种单调谐体效应振荡器.该振荡器结构类似于Kurkoawa电路.但谐振腔采用H_(011)高Q圆柱腔.该振荡器电路负载变化对振荡频率影响较小,能够避免通常反射腔稳频振荡器受到负载变化可能出现跳频的缺点.而且噪声电平比其它振荡源要小.对电路参数经过适当选择后,振荡器的输出效率能达到40~60%,输出功率30~100mW.机械牵引带宽大于600MHz.该振荡器的主腔和调谐活塞采用线胀系数不同的材料进行温度补偿.当温度循环在-40℃至+70℃的范围内,频率温度系数一般优于0.08MHz/℃,功率稳定度优于0.022dB/℃.

This paper describes the results of the dual mixer time difference (DMTD) measurement technique which were used in the time synchronous experiment via transporting clocks between continents in 1985 and at home in 1987. The experimental results have shown: DMTD measurement technique is very useful in determining the clock rates and the time synchronous precision, as well as in monitoring the phase and frequency jumps, and so on. DMTD and 1 PPS time difference measurement technique can be simultaneously...

This paper describes the results of the dual mixer time difference (DMTD) measurement technique which were used in the time synchronous experiment via transporting clocks between continents in 1985 and at home in 1987. The experimental results have shown: DMTD measurement technique is very useful in determining the clock rates and the time synchronous precision, as well as in monitoring the phase and frequency jumps, and so on. DMTD and 1 PPS time difference measurement technique can be simultaneously used, and complemented each other.

本文介绍了1985年国际搬钟时间同步实验和1987年国内搬钟时间同步实验中使用双混频时差(DMTD)测量技术的结果。实验结果表明:DMTD测量技术在搬钟时间同步实验中,对于确定钟速和同步精度以及严密监视钟的相位、频率跳变等方面是很有用的。它与秒脉冲(1PPS)时差测量技术可以同时使用和相互补充。

In this paper, we report the influence of feedback strength on the oscillation pattern in optical system with competing interactions. The frequency locking, frequency jump between neighboring modes and the hysteresis phenomenon are observed. Our computation and experimental results verify that the feedback strength is the competing interaction source.

本文报道在具有竞争相互作用的混合光学系统中,反馈强度对振荡模式的影响。观察到锁频,相邻模式间的频率跳变及滞后等现象。计算与实验结果表明,反馈强度是竞争相互作用源。

 
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