您要查找的是不是：
- VFO? Variable Frequency Oscillator? 可變頻率振蕩器，變頻振蕩器?
- Then，TOA each corresponding to the low frequency part of the FRFT with different resolution is estimated. 然后，估計出與各層低頻系數分數階傅立葉變換相對應的TOA。
- EAL-68 with small amount of additive is suitable for R407C in variable frequency rotary compressors of YZB-20R. EAL-68型POE潤滑油加入少量添加劑可以作為R407C的YZB-20R型變頻壓縮機用油。
- The frequency inverters has a function of variable voltage and variable frequency. 頻率逆變器具有變壓、變頻功能。
- The signal's high frequency part attenuates seriously on the no repeater long-line transmission systems, so that the signal rectification is necessary. 無(wú)中繼長(cháng)線(xiàn)傳輸會(huì )出現信宿端信號嚴重失真的現象,矯正器是長(cháng)線(xiàn)傳輸系統中的重要一環(huán)。
- Energy consumption of variable frequency drive pump are analyzed,and makes sugg estions about its suitable application. 詳細分析了變頻調速水泵的能耗，對如何合理應用變頻調速水泵進(jìn)行了探討。
- At the same time it embed Fragile Watermark in image's high frequency part with the use of DCT so that Fragile Watermark can ... 同時(shí)它利用離散余弦變換;在圖像的高頻部分嵌入脆弱水印;使脆弱水印在遭受攻擊或篡改時(shí)更易被損壞.
- An idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly. 本文主要為變頻調速異步電動(dòng)機的設計提供一條思路。
- Motor for deflector roll in entry side is requested to use AC variable frequency control. 卷取機卸卷小車(chē)行走電機采用交流變頻調速控制。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 對變頻試驗系統的參數和實(shí)際組件進(jìn)行了討論。
- At the same time it embed Fragile Watermark in image's high frequency part with the use of DCT so that Fragile Watermark can be shattered more easily when attacked or amended. 同時(shí)它利用離散余弦變換，在圖像的高頻部分嵌入脆弱水印，使脆弱水印在遭受攻擊或篡改時(shí)更易被損壞。
- A new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一種新的離散變壓變頻等效正弦控制方法被提出。
- In this paper, a randomization sampling system with AC variable frequency technology, based on IP was introduced. 介紹一種以工控機為核心,利用交流變頻調速技術(shù)實(shí)現的隨機取樣系統。
- To achieve the basic waveforms (sine, square, etc.) display, a variable frequency and amplitude control. 能夠實(shí)現基本波形（正弦，方波等）的顯示功能，有頻率和幅度變量的控制。
- In this paper the ultrafine of attapulgite from Xuyi was studied by variable frequency planet-type grinding mill. 以盱眙產(chǎn)優(yōu)質(zhì)凹凸棒石粘土為研究對象,用變頻式行星球磨機對其進(jìn)行超細粉碎。
- The VRV air-conditioning system of variable frequency technology can achieve the effect of energy conservation. 然而，封包的排程方法與睡眠模式的運作方式 對于行動(dòng)站臺的能源消耗會(huì )產(chǎn)生很大的影響。
- The frequency inverters has a function of variable voltage and variable frequency . 頻率逆變器具有變壓、變頻功能。
- If there is hydrocarbon in the formation, an abnormal value will occur in the low frequency part of the amplitude spectrum ratio eurve o On the contrary, when no hydrocarbon exists in the formation there will be no abnormal value on the curve. 當地層含有油氣時(shí),在振幅譜比曲線(xiàn)的低頻部分就出現異常值; 反之,不含油氣時(shí),就不出現振幅譜曲線(xiàn)異常。
- A twist wire connected with multicircuit or variable frequency circuit board is winded on the industrial pipeline. 遠處有多匝與變頻電路板連接的螺旋狀電線(xiàn)纏繞在工業(yè)管道上。
- Result also shows that by simulating wide band velocity records we can get acceleration and displacement time histories, but high frequency part of acceleration time histories will have partial loss. 由寬頻帶速度記錄也可得到加速度時(shí)程和位移時(shí)程,但對加速度時(shí)程高頻成分會(huì )有一定的損失;
