Inherency frequency of servomechanism is to have an influence on the key parameters of servo accuracy and response capability, and demands the calculation of inherency frequency in the design stage.
伺服机构固有频率是影响伺服系统伺服精度、响应能力的重要参数,在设计阶段就需要对伺服机构的固有频率进行计算。
The first stage of the European Low Frequency Array (Lofar) telescope involves 96 radio antennae being erected this week in a field at the Chilbolton Observatory near Andover, Hampshire.
Lofar望远镜的一期工程位于罕布什尔的安多佛,由96个无线电天线组成的望远镜将在本周被安装完毕。
According to laser working process, stabilization frequency includes mode hopping, transition stage and stabilized mode.
按照激光器的工作过程,稳频分为三个阶段:跳模、过渡阶段,模式稳定。
The shortness of creep loading time and the faster frequency of fatigue load change induce general elastic strain stage to end and delayed elastic strain platform stage to begin under shorter strain.
因蠕变加载作用时间缩短和疲劳载荷变化更频繁,导致在较小的应变下结束普弹应变阶段并进入延迟弹性变形的平台应变阶段。
The relationship between the sleep stage and the ultra-low frequency components of HRV is also considered.
在特征提取中还考虑了HRV中超低频分量和睡眠的关系。
The design and transmission calculate of the elastic support variable stiffness apparatus for frequency modulation tune for the structure of the vibration stage is introduce.
介绍了振动台固频调谐的弹性支承变刚度装置结构设计及传动计算。
The stage of 3th is frequency adjustment.
第三阶段是频率调整。
Dynamic penalty, frequency list, multi-stage search and configuration pool were used to improve the algorithm.
使用了动态惩罚、频数表、多阶段搜索和优化配置池等方法改进了算法的效率。
A new multi-stage vector quantizer (MSVQ) of line spectral frequency parameters is designed.
设计了一种新的线谱频率参数多级矢量量化编码方案。
A simple approach is presented to analyse a typical high frequency transistor stage.
本文介绍一种简便分析典型晶体管高频电路的方法。
This paper introduced the performance of a high frequency gas-couple two-stage PTC, which has reach the lowest temperature of 16.
本文介绍了一套高频气耦合型两级脉冲管制冷机的性能特性,该脉冲管制冷机可以达到16。
This frequency multiplier may be used satisfactorily as the output-stage some velocity radar.
这种倍频器可以满意地用作为某型测速雷达的输出级。
The flattened, extended frequency response obviously changes the tonal character by removing "humps" in the output stage response and producing more high and low end frequencies.
为平地,扩展频率响应明显改变音调特征,消除“拱”在输出级的反应和生产更多的高,低端的频率。
The 6th stage blade in aero-engine compressor is taken as an example, the temperature effect on the blade vibration frequency blade is investigated.
以某型航空发动机压气机第六级叶片为例,研究了温度对叶片振动频率的影响。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合,提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
Adjust the speed frequency conversion by four stage, be suitable for any grade of butyl glue.
四档变频调速,适用于各种档次的丁基胶;
Purpose: Audio frequency amplifier, driver stage amplifier applications.
用途:用于音频一般放大,驱动级放大。
Experiment investigation on multi-bypass and fixed phase shifter comparison in single-stage high frequency pulse tube cryocooler;
本文采用数值模拟和实验研究的方法对高频脉冲管制冷机的重力特性进行了对比研究。
Induction frequency varies with the different varieties and it is the highest when the excised anthers with the pollen grains at the middle-uninuclear stage are inoculated.
品种之间诱导频率差异很显著。接种花药时,花粉单核中期诱导频率最高。
In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.
减数分裂过程中染色体行为异常的花粉母细胞约占10.28%;雄配子体发育过程中异常频率约为3.2%,败育主要发生在单核期。
This, of course is a treatment for elderly stage tumors, however the technique that is currently the most popular, radio-frequency ablation, has some limitations.
这用于晚期肿瘤的治疗,但目前最流行的技术是射频消融,但有一些限制。
Relational process is just after it. It distributes mainly in the stage of Result with 25% frequency.
其次是关系过程,占25%,主要分布在结果部分;
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难,采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
This technology is sensitive to minor structural damage on the early stage because of the high frequency scope of working frequency in the alternating electric field.
由于交变电场的工作频率高频范围,所以该技术对结构早期的细小损伤非常敏感。
This paper introduces the Handan Co generation Power plant, intermediate pressure rotor's last stage-blade frequency reach dangerous resonance area when 200mw units were overhauled.
介绍了邯郸热电厂2 0 0 MW机组大修中,中压转子末级叶片组频率落入危险的共振区。
This paper proposed a novel active frequency drift with feedback based on single-phase single stage PV grid-connected generation system for the complexity of the control in traditional method.
基于单相单级光伏并网发电系统,针对传统主动式频率偏移法控制的复杂性,采用了一种新颖的带反馈的主动式频率偏移法。
Driven by the thermoacoustic engine, a single stage double-inlet PTC obtained the lowest refrigeration temperature of 80.9K with operating frequency of 45Hz.
该热声发动机驱动双向进气型单级脉管制冷机达到80.9K的最低制冷温度。
Driven by the thermoacoustic engine, a single stage double-inlet PTC obtained the lowest refrigeration temperature of 80.9K with operating frequency of 45Hz.
该热声发动机驱动双向进气型单级脉管制冷机达到80.9K的最低制冷温度。
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