The design of the Crystal Oscillator frequency measure system on the virtual instrument;
基于虚拟仪器的晶振频率测量系统的设计
The results show that nonisotheramal crystallization results are successfully analyzed by Mo Zhishen theory,and the crystallization rate of mLLDPE is slo- wer than that of traditional LLDPE at the same relative crystallinity.
结果表明,采用莫志深法处理数据可得到较好的线性关系,且mLLDPE在相同的相对结晶度下的结晶速率低于LLDPE。
A kind of PET/GF composite with good mechanical properties and rapid crystallization rate was prepared.
制备了结晶速率快、力学性能优异的玻纤增强聚对苯二甲酸乙二酯(PET/GF)。
The crystallization rate and the relative crystallization degree of PP/Talc composites is higher than those of pure PP, which causes the change of growing way for crystal nucleus and is advantageous to the processing and properties for PP/Talc composites.
用差示扫描量热法(DSC)研究聚丙烯(PP)及PP/Talc复合材料的非等温结晶过程,加入滑石粉后,PP/Talc的结晶速率、结晶度得到明显提高。
Based on the experimental results and theoretical calculation, the effects of nano silica on the crystallinity and rate of crystallization of PET were obtained.
以纳米氧化硅作PET填加剂 ,实验测定及理论计算得到不同填加量对PET的结晶度及结晶速率的影响 ,表明纳米氧化硅的适宜填加量为 1 6 4 %。
Test System Design of Wide Scope High Steady Crystal Oscillator Frequency Stability
宽范围高稳晶振频率稳定度测试系统的设计
In a circuit, crystal frequency can generally be slightly lowered by placing a inductor in series and increased by a capacitor in series.
在电路中，晶振频率随串联的电感轻微降低，随串联的电容增大。
A Research and Design of Crystal Resonator Resonant Frequency Regulation System Based on Laser Marking
基于激光打标技术的晶振频率校准系统的研究与设计
DESIGN OF QUARTZ CRYSTAL RESONATOR FREQUENCY TRIMMING SYSTEM BASED ON LASER-ENGRAVING
基于激光刻蚀技术石英晶振频率微调系统的设计
variable frequency crystal oscillator
可变频率晶体振荡器
The quartz crystal in the watch is made to vibrate at a frequency of 56,000 times a second.
使钟表里的石英晶体以每秒56，000次的频率振荡。
Research of the Stress-compensated TCXO and the Development of the Practical Counter;
应力补偿温补晶振的研究及实用频率计的研制
Research on Frequency Trimming of Quartz Crystal Resonators by Laser Etching;
石英晶振器件的激光刻蚀频率微调研究
Calculated method measurement study on load resonance frequency of quartz crystal
石英晶体负载谐振频率的计算法测量研究
Most are crystal oscillators that take advantage of the inherent resonance of a( quartz) crystal to obtain frequency stability.
大多数是晶体振荡器，它利用（英）体固有共振的优点，所以频率稳定。
Influence of Quartz Crystal Resonator Electrode and Excited State on Resonance Frequency Characteristic
石英晶体谐振器电极及激励状态对谐振频率特性的影响
Upon designing the serial interface Baud rate of single chip machine in the traditional methods, we usually need using oscillator with special frequency.
传统方法设计单片机串行口波特率时 ,往往要使用特殊频率的晶振。
UHF resonance frequency meter
超高频谐振式频率计
The vibrating frequency of the quartz crystal in the electronic watch is counted by the circuits to make the hour, minute and second.
电子表中的石英晶体的振荡频率是由线路计数来定小时、分和秒。
It is therefore the purpose of this paper to offer a detailed analysis on the frequency stability of transistor feedback oscillators.
本文将对晶体管反馈振荡器的频率稳定性能作比较详细的研讨。
Design of Crystal Oscillator and Its Application in Frequency Synthesizer
晶体振荡器设计及其在频率合成方面的应用研究
Series Resonance Frequency Measurement Technic of Quartz Crystal Based On The Two-point Iterative Method
基于两点迭代法石英晶体串联谐振频率测量技术研究
The resonant frequency of a quartz crystal is generally determined by the size of the plate combined with the mode in which it vibrates.
石英晶体的谐振频率通常是由组合振荡模式之振动片尺寸来决定的。
