fixed frequency造句
例句与造句
- With fixed frequency , sweep frequency and multy random test function
测试功能多,具定频,扫频及多阶随机等测试功能。 - Work style : fix frequency
工作方式:定频 - Fixed frequency oscillator
定频振荡器 - Sfvc is a simple control system that works at fixed frequency and achieves good effect under low switch frequency
采用了固定步长，在开关频率不高时仍能取得较好的控制效果。 - This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple
这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题，而且结构简单。 - It's difficult to find fixed frequency in a sentence. 用fixed frequency造句挺难的
- The laboratory offers calibration for single - phase wattmeters at fixed frequencies of 50 hz , 60 hz or 400 hz , and in the power factor range of unity to 0 . 5 leading or lagging
功率表本所为固定频率50hz ， 60hz或400hz及功率因数为1至0 . 5超前或滞后的单相功率表提供校正服务。 - However , these converters become more complicate . phase - shift bi - directional dc - dc converter is attractive since it operates with fixed frequency , has small voltage and current stress and can realize zvs without auxiliary switches
相移控制双向dc - dc功率变换器因具有功率器件电压,电流应力小,定频工作和无须增加辅助器件即可实现功率器件的零电压开关条件等优点而受到关注。 - Several control strategies used in shunt active power filters such as triangular carrier waveform control 、 hysteresis - based current control 、 instantaneous current control under fixed frequency have been researched , and the characters of them have been gained through these analysis
对并联型有源电力滤波器的三角波载波线性控制、电流滞环跟踪控制、定频瞬时值控制等电流控制策略进行了研究,通过理论分析比较了各自的特点。对采用ip - At first , after the dynamic characteristics of the plane and the spatial supporting systems were studied , fore some steps fixed frequency and shape of vibration were gained . secondly , several design parameters which influence the dynamic characteristics of this kind system were discussed , including pre - tension value in the cable , cross - section of the cable , cross - section of steel - bar and form change . some applied decisions were found
首先，对平面和空间索桁支承体系的自振特性进行研究，得到体系的前几阶固有频率和振型形式；进而探讨了索的预拉力、拉索截面面积、撑杆截面面积、形状改变(撑杆长度l )等主要设计参数对体系自振特性的影响，得出了一些有益的结论，为体系设计和施工提供意见和依据；最后，对体系的风振特性进行了分析，用幕墙风荷载规范对几种索桁支承体系形式进行风荷载计算。 - The chip is mainly applied to the portable electronic products with the following features : 2 . 7v to 5 . 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection , low 0 . 1 a shutdown current ; soft - start limits inrush current
该芯片主要应用于便携式电子产品,其输入电压范围为2 . 7 5 . 5v ,工作频率为固定的1mhz ,可大幅度降低输入纹波和emi辐射,工作温度范围为- 40 + 85 ,可使用外部使能控制信号调节led亮度及控制芯片关断与否,具有过温保护和输入欠压关断保护功能,完全关断模式下关断电流可低至0 . 1 a ,具有软启动功能以限制启动时的浪涌电流。 - The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple . an external resistor sets the full - scale led current , while two digital inputs control on / off and select amongst three levels of brightness . the circuit operates in 1x mode until just above dropout
工作在1mhz固定频率,采用线性调制模式使输入纹波大大减小;利用一个外部电阻可以设置满量程led电流;外接两个数字信号控制芯片开关并选择led三级亮度中的一级;具有过温、过压/欠压等保护功能,工作温度范围为- 40 + 85 。 - At the same time , when the gas flow passes the flow area of the inlet valve at a high speed , turbulent throw - outs will appear and lead to the generation of high frequency noises . as the flow area of the inlet valve keeps changing , the turbulent noise is of fixed frequency range ( generally over 1 000 hz )
与此同时，当气流以高速流经进气门流通截面时，产生湍流脱体，导致高频噪声的产生，由于进气门通流截面是不断变化的，因此湍流噪声具有一定的频率范围，主要集中在1000hz以上的高频范围。 - It is important rules that research for dynamic characteristics of the mill system of single - pinion drives in operation to prevent damage from the resonance between fix frequency and bestir frequency in this paper , the pattern of pinion - - - drive shaft - - - decelerator gear vertical vibration in the mill system of single - pinion drives is established
最后，对2 . 6 13m的磨机系统进行了动态特性的实例分析。研究边缘传动磨机系统的动态特性，对避免由于激励频率接近或等于系统的固有频率而导致共振及设备的失效，预测系统在可能激励下的响应特性，优化系统结构等等都具有很重要的意义。 - They were technology paradigm shifting from analog signals to digital signals in xihu electronic co . and the shifting from dynamic frequency to fixed frequency of air condition manufacturing in haixin co . at last , by the combination of efa ( exploratory factor analysis ) and cfa ( confirmative factor analysis ) method we proposed and approved the interaction among learning , unlearning and innovationess
通过研究西湖电子从模拟技术向数字技术转变一以技术推动为主导的范式转变和海信集团以市场拉动为主导的范式转变，生产变频空调的案例说明组织在技术范式转变时期的组织学习模式。 - First , the ray tracing equation and its numeric solution is presented in this paper , then on the base of quasi - parabolic ionosphere model , using the technology of the numeric ray tracing , a ray tracing simulateing platform is established . this platform can simulate the ray tracing for a fixed frequency or sweeping frequencies , also can calculate the group path and the covered region of rays
首先,本文给出了射线追踪方程及其数值解法,在球形对称准抛物模型背景电离层基础上,利用数字射线追踪方法,建立了射线轨迹演示平台。该平台可实现定频或扫频射线轨迹演示,计算各射线群路径,覆盖区域等功能。