Delicate Design and Study of OCXO with Excellent Performance;
精密恒温晶体振荡器的设计与研制
This paper presents the function of OCXO s frequency shift according to the curve of frequency shift,and analyses the influence on PD radar s coherent accumulation and target speed test,and provides the limits of frequency shift.
PD雷达频率综合器往往采用恒温晶体振荡器(OCXO)来实现高稳定度的性能,但OCXO的温升过程中存在输出信号频率慢漂的现象,其温升过程在低温条件下开机大约持续5~10 m in。
Oven controlled crystal oscillators (OCXO) as a highest frequency stability among crystal oscillator is widely used in communications equipment, measuring instruments, navigation, radar, mobile communication, programmed telephone, audio-visual equipment etc.
恒温晶体振荡器是目前频率稳定度和精确度最高的晶体振荡器。
The hardware and software design method of a new type of constant temperature and constant humidity box s monitoring and controlling system was introduced in this paper.
该文介绍了新型恒温恒湿箱测控系统的硬、软件设计方法。
The development and experimental investigation of the miniature refrigeration thermotank;
小型制冷恒温箱的研制及试验研究
This article presents the corresponding measures on the adjustment of samplc pressure,temperature of thermotank,flowrate of carrier gas,length of measuring cycles and determination of keeping time of sample compositions;the influence of sampling,columns interchange,backflush and time change of compensation valvc to the measurement and analysis and the solutions to bo adopted.
介绍 PGC3 0 2在线气相色相谱仪因原进口色谱柱劣化 ,换用国产色谱柱后 ,在调试过程中 ,样品压力、恒温箱温度、载气流量、测量周期长短、样品各组分保留时间的确定 ,采样、柱切、反吹、平衡阀门开关时间的改变对测量分析的影响及解决办法。
In this paper, a scheme of temperature control in thermotanks based on H_(∞)optimal control technique was presented.
提出了基于H∞优化控制的恒温箱温度控制问题。
Temperature Control System of Constant Temperature Oven based on MSP430;
基于MSP430单片机的恒温烘箱温度控制系统
The analysis was aimed to the pros and cons about the domestic Y802 constant temperature oven used to test the reversion rate of the textile fabric.
对国产Y80 2型恒温烘箱在纺织纤维回潮率测试中的优缺点进行了分析 ,指出由于Y80 2型恒温烘箱采用水银接触温度计进行温度检测与转换、采用继电 /接触器控制系统控制烘箱的升降温 ,故存在超调量过大和温度控制不精确的缺陷 。
Study on a 120MHz Low Phase Nosie Oven Controlled Crystal Oscillator
120MHz低相噪恒温晶体振荡器的研究
Development of 100 MHz Low-Phase-Noise Oven Crystal Oscillator
100MHz低噪声恒温石英晶体振荡器研制
TCCO =temperature compensated crystal oscillator
温度补偿晶体振荡器
temperature-controlled crystal oscillator
温度控制晶体振荡器
temperature compensated crystal oscillator
温度补偿石英晶体振荡器
Design of TCXO Chip;
一种温度补偿晶体振荡器芯片的设计
amplitude-modulated junction transistor oscillator
调幅结形晶体管振荡器
high stability crystal oscillator
高稳定度晶体振荡器
variable frequency crystal oscillator
可变频率晶体振荡器
voltage controlled crystal oscillator
可控电压晶体振荡器
quartz crystal concord-modulation oscillator
石英晶体调谐振荡器
quartz crystal oscillator side
石英晶体振荡器装配面
crystal oscillator power amplifier
晶体振荡功率放大器
A Study of New Temperature Compensated Crystal Based on Force-frequency Characteristic;
基于力频特性的新型温度补偿晶体振荡器研究
Application of embedded TCP/IP in thermostatic oscillator
嵌入式TCP/IP技术在恒温振荡器中的应用
high stability quartz crystal oscillator
高稳定度石英晶体振荡器
quartz crystal controlled blocking oscillator
石英晶体控制间歇振荡器
The rule of type designation for quartz crystal oscillators
GB/T12275-1990石英晶体振荡器型号命名方法
