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振荡器
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  oscillator
    Experiment shows,the radar system ranging precision is advanced to 1~3 orders and it hasn't high demand to oscillator linearity(about 3%).
    实验表明 ,该雷达系统对近距离 (2~ 5 0m)测量 ,其精度可提高 1~ 3个数量级 ,且对振荡器线性度要求不高 (3%左右 )
短句来源
    1MHz crystalloid oscillator is used in generated circuit of clock, and 500kHz ultrasonic pulse is generated.
    其时钟产生电路采用1MHz晶体振荡器,产生500kHz超声波脉冲;
短句来源
    The Comparison of the Performance of Injected Magnetron Oscillator with Master Oscillator Amplifier in Transmitter
    加注磁控管振荡器和主振放大器发射机性能比较
短句来源
    APPLICATION CRITERION OF OSCILLATOR FOR FUZE AND STUDY OF IT'S PERFORMANCE ON EXPERIMENTS
    引信用振荡器使用准则及性能实验研究
短句来源
    First of all, single port negative impedance oscillator is analyzed in the thesis. A design method of Gunn diode VCO is introduced and an VCO chip using Gunn diode is fabricated.
    本文首先对单端口负阻振荡器进行了分析,给出了Gunn二极管负阻振荡器的设计方法,设计出了一个变容管调谐平面微带Gunn二极管VCO芯片,该芯片以GaAs为衬底,尺寸为4.4mm×3.9mm。
短句来源
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  “振荡器”译为未确定词的双语例句
    The two ports negative resistance oscillating network is analyzed and an extremum-line model of microwave transistor oscillating network output impedance is developed.
    对双端口负阻振荡网络进行了理论分析,介绍了三种双端口负阻振荡网络的分析方法,在负阻振荡器参数优化问题上提出了微波晶体管负阻振荡网络输出阻抗的极值线模型,该模型把对反馈元件和谐振元件参数的二维搜索问题转化为一维搜索问题,所以使优化过程大大简化,缩短了电路设计时间。
短句来源
    The realization of the arithmetic has been designed In this article. The microwave qscillator mixer and antenna are designed in an integrity with single frequency self mixing way.
    本文设计了Burg算法的实现方法,采用点频自混频方式设计了微波振荡器、混频器及发射接收天线。
短句来源
    The OPOs output energies are 15mJ, 8.6mJ and 6.5mJ while the idler energies are 5.2mJ, 2.4mJ and 1.7mJ at a repetition rates of 1Hz, respectively.
    2.对电光调Q灯泵浦1064nm Nd:YAG泵浦复合腔KTA光学参量振荡器(OPO)作了实验研究,在工作频率1Hz时得到OPO输出单脉冲能量36mJ,信号光脉宽10ns,闲频光波长3407nm,能量11mJ。
短句来源
  相似匹配句对
    Mid-infrared optical parametric oscillators are always be aspiring studied.
    中红外光参量振荡器一直是研究的热点。
短句来源
    APPLICATION CRITERION OF OSCILLATOR FOR FUZE AND STUDY OF IT'S PERFORMANCE ON EXPERIMENTS
    引信用振荡器使用准则及性能实验研究
短句来源
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  oscillator
A digital accelerometer is developed by using a ring oscillator (RO) and a mixer.
      
Based on this fact, firstly, a snake-like robot controller with cyclic inhibitory CPG model was designed, and then the stability of a single neuron, CPG model and the NON (neuron oscillator network) was analyzed.
      
A method based on the energy dissipation mechanism of an Independent Oscillator model is used to calculate the frictional force and the friction coefficient of interfacial friction.
      
The dipole oscillator strengths for the 1s22s-1s2np and 1s22p-1s2nd (n ? 9) transitions of V20+ ion are calculated with the energies and FCPC wave functions obtained above.
      
The calculations are based on the liquid drop macroscopic model and the microscopic model with the modified single-particle oscillator potential.
      
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  electrical oscillator
An interesting question arises as to whether different lectin-carbohydrate pairs would produce different signals in the electrical oscillator sensor.
      
High frequency loss in electronics ultimately limits the Q-factor or frequency stability of an electrical oscillator.
      
The node is composed of several hundred thousand cells, each of which is an electrical oscillator.
      


Capacitance fuze builds up a static electric field around the detecting electrods through the action of an oscillator . It can simply be taken as equivalent to a static electric dipoles , and then deduce the field strength at a distance r around the electric dipoles . A solution of Maxwell' s field equations of the electric dipoles in a time-variable field is deduced , thus permitting a comparison between the characteristics of the capacitance fuze and those of other kinds of proximity fuzes . The conclutions...

Capacitance fuze builds up a static electric field around the detecting electrods through the action of an oscillator . It can simply be taken as equivalent to a static electric dipoles , and then deduce the field strength at a distance r around the electric dipoles . A solution of Maxwell' s field equations of the electric dipoles in a time-variable field is deduced , thus permitting a comparison between the characteristics of the capacitance fuze and those of other kinds of proximity fuzes . The conclutions arrived at are : Capacitance fuzes using the electrostatic fields possesses better fixed distence characteristics , smaller spread of the burst height and bettr anti - con -cealment property when compared with other proximity fuzes using radiation fields .

电容近炸引信是利用振荡器在探测电极周围建立一个静电场进行工作的。本文将电容近炸引信简化等效为静态电偶极子,求解出其周围空间中距离偶极子为r处的场强。为了和其它原理的近炸引信的物理场特性进行比较,求解出时变场中电偶极子麦克斯韦方程的解。通过分析确认:利用静电场工作的电容近炸引信较之利用辐射场工作的其它近炸引信具有良好的定距特性、炸高散布小并具有反隐身技术的性能。

the design and consider of one of the radar Synthesizer of MTI is discussed and introducedin the paper.the moving-target improving factor affected by the noise phase is analysed. The correct design of the bandwidth of the local oscillator PLL is the key for reducing the phase noise. The loop bandwidth of the PLL acn be accounted from the phase noise measurement of the crystal oscillator and the voltage-crystal oscillator and the synthesizer is showed in the paper. The measurement results of the phase noise...

the design and consider of one of the radar Synthesizer of MTI is discussed and introducedin the paper.the moving-target improving factor affected by the noise phase is analysed. The correct design of the bandwidth of the local oscillator PLL is the key for reducing the phase noise. The loop bandwidth of the PLL acn be accounted from the phase noise measurement of the crystal oscillator and the voltage-crystal oscillator and the synthesizer is showed in the paper. The measurement results of the phase noise and the stray of the synthesizer are given in the paper too. The results show that the phase noise far from the carrier frequency 1 kHz is 93 dBc/Hz;and the stray in the band is better than 55dBc.

讨论并介绍了一种用于动目标显示的雷达频率综合器的设计考虑。分析了相位噪声对动目标改善因子的影响。本振锁相环环路带宽的正确设计是降低相位噪声的关键。对石英晶体振荡器和压控振荡器相位嗓声的测全可以估算出环路带宽。给出了整个系统的的框图与频率综合器的相位嗓声测量结果,也给出了整个频带内的杂散指标测量结果。结果表明:相位噪声在离载波1kHZ处达—93dBc/Hz,带内杂散优于—55dBc。

T This paper presents a control circuit of stable and raliable armament firingrate,This circuit consists of pieso control oscillator,light chopper and FIV convertor。According to subtractior operating theory:the PI regulator works in the vicinity of the critical point fi1=fi2 by the voltage of V11-V21 to drive the direct current motor continuouslyhold the stable firing rate of the armament with a stable operation velocity,Voltages u1,U2 and U3 determine the three types of firing rate low,middle and high, performing...

T This paper presents a control circuit of stable and raliable armament firingrate,This circuit consists of pieso control oscillator,light chopper and FIV convertor。According to subtractior operating theory:the PI regulator works in the vicinity of the critical point fi1=fi2 by the voltage of V11-V21 to drive the direct current motor continuouslyhold the stable firing rate of the armament with a stable operation velocity,Voltages u1,U2 and U3 determine the three types of firing rate low,middle and high, performing theautomatic control over nomissile battery giving missile system

该文研究一种稳定可靠的武器射速控制电路。该电路主要采用压控振荡器、斩光器、F/V 转换器,根据减法运算定律,获取V11-V21差值电压,使PI调节器的工作频率在f1i=f2i(对应V11≈V21)这一临界点附近,驱动直流电机不断维持稳定的转达来稳定武器的射速。电压U1、U2、U3确定武器低、中、高三种射速,实现无弹链供弹系统的自动控制。

 
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