fir滤波器造句

• fir滤波器    用数学语言来说，FIR滤波器是做一系列的点积。 BDTI测试程序包括FIR滤波器、IIR滤波器、FFT、向量点积和Viterbi译码。 如果信号带宽比较宽，抽取倍数不是很大，可以采用FIR滤波器。 FIR滤波器具有很好的线性相位特性，使得它越来越受到广泛的重视。 4.SystemView允许合并多种数据采样率输入的系统，以简化FIR滤波器的执行。 这个公式就为FIR滤波器提...
• fir fir    For example, " Now among wild trees those are evergreen which were mentioned before, silver-fir fir'wild pine'box andrachne yew Phoenician cedar terebinth alaternus hybrid arbutus bay holm...
• 变频器专用型滤波器    两种，因此，变频器专用型滤波器对这两种干扰信号可以滤除或者是较大的衰减。 进线滤波器是变频器专用型滤波器的一种，其工作原理和作用是利用电容、电感及电感间的同相互感作用，来抑制或消除传导耦合干扰。 变频器专用型滤波器允许直流或者是额定工作频率（如50Hz或者是60Hz）的电流通过，对频率较高的干扰信号能完全滤除，或者是有较大的衰减作用。 绿波杰能科技发展（青岛）有限公司是滤波...
• 变频器专用滤波器    变频器专用滤波器的插入损耗是频率的函数，用dB（分贝）表示。 变频器专用滤波器输入、出端连接电源及电机的接线长度不宜超过30厘米。 在变频器专用滤波器的实际使用中，可用阻抗失配来实现对EMI信号更加有效抑制。 无论怎样复杂的变频器专用滤波器，都可以把它的共模和差模滤波网络抽象出来。 额定电压是变频器专用滤波器用在指定电源频率时的工作电压，也是滤波器最高允许的电压值。 这样一...
• 变频器输入滤波器    变频器输入滤波器，主要是由滤波电感、滤波电容和电阻构成。 如果变频器的输入端三相不平衡，严重的情况下，就会导致变频器无法正常工作，加上变频器输入滤波器之后，可以有效缓解这一问题。
• 变频器滤波器    2、确保变频器滤波器外壳与机箱壳良好接触。 变频器滤波器是用来抑制传导干扰的有效工具。 插入损耗是衡量变频器滤波器电性能的重要参数。 泄漏电流的大小主要取决于变频器滤波器中的共模电容。 否则会降低滤变频器波器的寿命，甚至损坏变频器滤波器。 变频器滤波器主要是由电感、电容、电阻等组成的无源器件。 1、变频器滤波器的安装位置应靠近变频器，尽量缩短引线长度。 一般按设备额定电流的...
• alpine fir    Douglas-fir, alpine fir and aspen are commonly found growing on high north-facing slopes. Flora of the Wheeler Peak Wilderness vary by altitude, and include sub-alpine fir and many species...
• amabilis fir    The park also protects coastal western hemlock and western red cedar as well as some amabilis fir and Sitka spruce. Areas above are mapped as Coastal Western Hemlock, Moist Maritime Subzon...
• are these prices fir offers    Are these prices fir offers 3 . are these prices fir offers Are these prices fir offers
• baishan fir    The Baishan fir ( " Abies beshanzuensis " ), native to China, is down to five surviving mature individuals . " Priceless or Worthless ? " describes the threats that each species is facing,...
• balsam fir    _Balsam fir : The needles are short and flat with rounded tips. Balsam fir and northern whitecedar grow in the island's humid, boreal climate. It dutifully decorated its official tree, an ...
• balsam fir oil    Balsam fir oil is an EPA approved nontoxic rodent repellent.
• balsam of fir    Canada balsam, also called Canada turpentine or balsam of fir, is a turpentine which is made from the oleoresin of the balsam fir.
• bhutan fir    Individuals from southeast of the Himalayas are for example quite often seen in Bhutan during the hot months, typically in humid Bhutan Fir ( " Abies densa " ) forest up to about 3, 800 me...
• bulgarian fir    The forests are made up mainly of Norway Spruce and Bulgarian Fir, with some Macedonian Pine, Scots Pine, and at the tree-line, Mountain Pine, and mixed deciduous forest at lower altitudes...
• california red fir    This same pattern was found in open-( 420 trees > 10 cm dbh / ha ) and closed-canopied ( 658 trees > 10 cm dbh ) California red fir ( " Abies magnifica var . magnifica " ) stands.
• canaan fir    You might also look around for a Canaan fir ( pronounced cuh-NAYN ), a newcomer that is similar to a Fraser but with longer, flatter needles. Maple Row Tree Farm grows eight different type...
• caucasian fir    Perhaps the best-known is the Nordmann or Caucasian fir ( Abies nordmanniana, Zones 4 / 5 to 7 ). At Ter Hooge, a castle to the west of the city, there is a small beech forest with some oa...
• china fir    China fir ( Cunninghamia lanceolata Glauca )-- bushy, pyramid-shaped, silver-blue needle evergreen, exfoliating bark; over 50 feet tall ( a dwarf form is Compacta ). Specific aromatic herb...
• chinese fir    All wooden structures, made from Chinese fir, are held together using mortise and tenon joints.
• chinese fir seed    In order to push the development of planting chinese fir by utilizing fine variety , research progresses on techniques of establishing chinese fir seed orchard , improving output and quali...
• clach cuid fir    In one, the " Clach Cuid Fir " ( or Manhood Stone ), a very large stone of well over 100 lb is employed and the test is to be able to lift it to a certain height or place it on a wall.
• coast douglas fir    Conifers dominate the climax forests of the coast Douglas fir. Appreciable seed production begins at 20 30 years in open-grown coast Douglas fir. In wet coastal forests, nearly every surf...
• colorado white fir    On this expedition he collected seeds of the noble fir ( " Abies procera " ) and the Douglas fir ( " Pseudotsuga menziesii " ) as well as three conifers that had been overlooked by Douglas...
• concolor fir    Concolor firs have soft, bluish-green needles. This year's 18-foot Concolor fir was grown in the mountains of central Pennsylvania. Concolor fir is bluish-green, and Fraser fir needles are...