four-frequency

The world's only manufacturer who complete master the core technology of High-end four-quadrant high voltage variable frequency.

荣信公司是国内外唯一掌握高端四象限中压变频技术的厂家。

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A Primary Study of the Instability of the Threshold Voltage Shift of Native MOS Transistors Separation and Preliminary Analysis of the Shift Errors in Four-frequency Ring Laser

国产MOS场效应晶体管阈值电压不稳定性的初步探讨四频环形激光零漂误差的分离及研究

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Furthermore, the new model can match elevation spectrum data obtained by four-frequency microwave radar and other field measurements fairly well.

此外，新的风浪谱模型能够很好地模拟美国海军实验室使用微波雷达获得的波面高度谱现场测量数据和其它现场测量数据。

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Study on signal readout of four-frequency differential laser gyro based on electronic signal processing

基于电子信号处理的四频激光陀螺信号读出研究

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Four kinds of phenomena in moderate and high temperature heat pumps are found, which those are clear difference between theory and experiments, for example, the COP may be reduced with condensation temperature drop or working frequency of compressor decreasing.

在对中高温热泵进行了大量的试验研究之后，发现了四种有别于理论分析结果的试验现象，如冷凝温度下降，COP也下降；

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Integral representations for the first and second moment of intensity are obtained by means of the two-frequency mutual coherence function and four-frequency cross-coherence function, respectively.

通过双频互相关函数和四频交叉相关函数分别得到强度一阶和二阶量的积分表达式。

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The asymmetry four-character structure has strong practicality and high usage frequency.

不对称性四字格实用性强，使用频率高，具有鲜明的修辞色彩。

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In order to reduce magnetic sensitivity of four-frequency differential laser gyro ( DILAG), effect of operating point on magnetic sensitivity was investigated.

为了减小四频差动激光陀螺（DILAG）的磁敏感性，研究了工作点对磁敏感性的影响。

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Experimental cancellations and self-check separations of the major shift errors in four-frequency ring laser were reported, and the shift produced by multi-mode coupling was experimented and analysed.

本文介绍了对四频环形激光主要输出零漂误差进行的实验消除和自检分离，以及对多模耦合产生的零漂的实验研究和初步分析。

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Principle and application of four-frequency eddy current inspection instrument

四频涡流检测仪原理及应用

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Population pulsation effect in four-frequency differential laser gyro

四频差动激光陀螺中的粒子数脉动效应

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Four-frequency Eddy-current Detecting Device for the Detection Testing of Power Plant Heat Exchange Tubes

用于电站热交换管检测的四频涡流检测仪

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The experimental study on nonlinear four-frequency heterodyne detection of CO_2 laser

CO2激光非线性四频外差探测的实验研究

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The sole manufacturer with independent intellectual property rights of four-quadrant high voltage variable frequency technology.

荣信公司是国内最早对四象限中压变频技术有自主知识产权并掌握核心技术厂家。

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Magnetic Sensitivity and Optimal Operating Point of Four-Frequency Differential Laser Gyroscope

四频差动激光陀螺的磁敏感性与最佳工作点

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Preliminary Study of Dithering Frequency Stabilization for Four-Frequency Differential Laser Gyro

四频差动激光陀螺小抖动稳频初步研究

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Using four-frequency reuse FSK digital modulation technology and properly adjusting the four carrier waves, this paper describes how to realize multi-route and multi-kinds signals transmit within a communication line in the feeder automation system.

用四频复用FSK数字调制体制，通过对四个副载波的合理调配，在一条线路上实现多路、多种类型的通信。

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Separation and Preliminary Analysis of the Shift Errors in Four-frequency Ring Laser

四频环形激光零漂误差的分离及研究

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The descent trend of corner frequency of S wave is showed by the changes of the time before the earthquake ( M_S4.9), the azimuth of axes P of Yangjiang sequence show that the stress has begun to be identical in four months before this event.

S波拐角频率随时间的变化显示出MS4.9地震前有下降趋势；阳江序列P轴方位角的变化显示出震前4个月应力开始趋于一致。

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Influence of quartz crystal temperature effect on optical polarization characteristics of four-frequency differential laser gyro

石英晶体温度效应对四频差动激光陀螺中光场偏振特性的影响

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