查询词典 oscillatory circuit

The detailed analysis of the dynatron which is the main noise source in the oscillatory circuit is also made, including how excitation affects the dynatron and crystal.

依据晶体管放大器的噪声模型分析合理选择了低噪声的元器件，对降低相位噪声和相位抖动的方法作了一些探讨。

In this design, a single-phase exciting signal generated by RC oscillatory circuit is applied to the rotor of synchro. The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

The oscillator circuit of detecting leak current is designed, with which the inductance of detection coil is converted to frequency of oscillatory signal, and the oscillatory signals are used to eliminate the residual magnetism in coil after removal of leak direct current.

所设计的检测电路把敏感线圈电感的变化转换成振荡信号频率的变化，实现了对直流泄漏电流的精确检测，且交变振荡信号又能有效地消除敏感线圈中直流电流引起的剩磁现象。

This thesis sketchs out characteristics of parallel oscillatory circuit and tune means of KGPS applied in Induction quenching.

简述并联振荡电路特点以及感应加热淬火用 SCR 晶闸管中频电源调谐方法等。

Further, we describe the origin of Crystal Oscillator's phase noise and phase jitter, also list a variety of its contributors. Secondly, we make an in-depth study and analysis in allusion to the given oscillatory circuit-Butler common base harmonic circuit.

然后针对特定的振荡电路结构-串联型巴特勒共基振荡电路-进行深入的研究和分析，并对主振电路中主要的噪声源-三极管进行的深入分析，包括激励对三极管及晶体的影响。

Finally, breaking experiments of the sample DC-CB are done on LC oscillatory circuit in our lab, and the largest test current reaches 20 kA.

最后，本研究利用LC振荡回路模拟直流短路故障，对新型直流断路器样机进行了开断实验，最大实验电流达到20kA。

Ultrasonic transducers, oscillatory source circuit, receiving signal disposal circuit, and an a/d chip formed the peripheral circuit of the real-time measurement system.

该实时测量系统的外围电路包括超声波传感器、发射器振荡电路、接收器信号处理电路和a/d芯片。

The relationship between oscillation frequencies and relative humidities was measured with a RC oscillatory circuit for the polymeric humidity sensor.

结果表明，传感器除了具有响应快、滞后小、灵敏度高等优点外，在它遇水汽结露后，返回各相对湿度时其电参量仍几乎不变，即具有极好的耐水性；在20％—90％RH范围内，传感器的振荡频率与相对湿度的关系几乎是线性的。

Polymer-alkali salt complex ; Humidity sensor ; RC oscillatory circuit.

高分子-碱金属盐配合物；湿度传感器；振荡电路

For example,speaking 555 timer flakes and intergrated operate amplifier CA3140 to control,it is a normal thing that the timer is coming out,But today this timer adopt 555 timer oscillatory circuit as at time base signal pulse input,choise magnificated intergrated flake CA3140 to manger ,make the timing of 555 steady state time lagmay be increase one hundred multiple.

由于集成块集成度高，功能强，功耗低，速度快，价格便宜，实用灵活，开发周期短等优点，从上个世纪开始，随着各种各样的集成芯片的问世，比如说555定时器芯片和CA3140集成运算放大器芯片，定时器的形成已经是很普通的事情，但今天这个定时器采用555定时器振荡电路作为时基信号脉冲输入，选择可放大的集成运算放大器3140控制器，使555的稳态延时范围可以增加100倍。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。