The double channel arbitrary wave generator based on direct digital frequency synthesis is introduced.
介绍了基于直接数字频率合成技术的双通道任意波形信号发生器。
With reference to the design method of plan hydraulic design of double channel impeller, the new design...
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
This paper introduces the hydraulic and structure design of double channel non-jamed pump for sucking sludge .
介绍了主要用于吸泥的双流道无堵塞泵的水力、结构设计。
With reference to the design method of plan hydraulic design of double channel impeller, the new design metho…
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
Because of it adopts a parallel double channel configuration, the system has high accuracy and interference-free.
由于采用并行双通道的结构，系统具有高准确度、抗干扰等特点。
Objective To determine the value of the mixed fluid of heparin-urokinase on sealing the double channel catheter in hemodialysis.
目的探讨肝素尿激酶混合液在血透用双腔导管封管中的应用价值。
The results show that the full passage calculation can simulate the flow in the double channel impeller, especially at the inlet and exit, to assess the pump performance.
结果表明全流道计算可以较好地模拟双流道叶轮的内部流动，尤其是叶轮进出口的流动，并可对泵的外特性做出预估。
With reference to the design method of plan hydraulic design of double channel impeller, the new design method of plan hydraulic of single channel impeller is put forward.
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
The extracting method of process information entropy based on process steady entropy, double channel singular spectrum entropy and double channel power spectrum entropy was introduced.
对管线泄漏特征进行了分析，并介绍了基于过程平稳熵、双通道奇异谱熵和双通道能谱熵的过程信息熵特征提取方法。
Objective To observe the changes of ventilation and respiratory dynamics in patients undergoing bronchial intubation with double channel catheter and monitored by Side Stream Spirometry(SSS).
目的应用旁气流通气监测法（SSS）观察双腔支气管导管插管患者围术期呼吸功能变化。
The system uses the method of orthogonal double-channel zero intermediate-frequency, and the result is satisfying.
该系统通过采用正交双通道零中频处理量化相位，处理效果较佳。
The coarse-fine data coupling in double-channel angle measuring system is discussed. The criterion of the conventional method is corrected.
讨论了双通道测角系统中粗、精通道数据的耦合问题，对传统的十分位比较法的判别条件进行了修正。
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
在双通道示波器上可直观地观测拍现象，并利用拍振动曲线测量交流电的频率。
Further study is made on target velocity measurement of radar, double-channel filter method and another one which based on chirp up and chirp down signal are discussed.
对雷达测速方法作了较为深入的研究，讨论了双通道测速法和正负斜率线性调频脉冲测速法。
Conclusion This simple double-channel assay procedure is accurate and reliable. It may be an effective method of sample blank compensation.
结论双通道测试程序简单，结果准确可靠，不失为一种有效的样本空白补偿方法。
The structure and principle of double-channel elliptical crystal spectrometer are presented. The whole process of manufacturing dispersive element with natural Muscovite is specified.
叙述了双通道椭圆弯晶谱仪的结构原理，详细阐述了天然云母弯晶分析器作为色散元件的制作过程。
Based on the characteristics of rolling missile with double-channel control, the autopilot loop is transferred from body coordinate system to quasi-body coordinate system after a rolling transfer.
根据双通道控制旋转导弹的特点，通过旋转变换，将弹体坐标系下的自动驾驶仪回路变换到准弹体坐标系下，并比较了与倾斜稳定导弹标准自动驾驶仪的区别。
The double-channel sewage pump has excellent performance and good passing -ability which obtain more widespread application in transportation and processing of city sewage and industrial waste.
双流道污水泵以其良好的性能和较强的过流能力，在城市生活污水、工业废水的输送与处理等方面得到了较为广泛的应用。
Pa series amplifiers feature 3 kinds of operating states: double-channel, parallel, and bridging. They are selectable according to different situations.
PA系列功放设置三种工作状态：双声道，并联，桥接可以根据不同的场合选用。
Methods The salt was dissolved directly by water. The Pb was determined by double-channel hydride generation-atomic fluorescence spectrometry.
方法直接用水溶解食盐，用双光道原子荧光光谱法测定食盐中的铅。
Some problems in routine determination of As, Sb, Bi and Hg by AFS-2202 double-channel atomic fluorescence spectrometer were discussed and several settlement measures were also proposed.
介绍了应用AF S-2202双道原子荧光计测定砷、锡、铋、汞的日常工作中经常出现的问题及其解决办法。
Some problems in routine determination of As, Sb, Bi and Hg by AFS-2202 double-channel atomic fluorescence spectrometer were discussed and several settlement measures were also proposed.
介绍了应用AF S-2202双道原子荧光计测定砷、锡、铋、汞的日常工作中经常出现的问题及其解决办法。
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