頻率交錯 的英文怎麼說
中文拼音 [bīnlǜjiāocuò]
頻率交錯
英文
frequency interlace-
Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding
本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。0. 10in connectors for frequencies below 3 mhz for use with printed boards. part 3 : two - part connectors for printed boards having contacts spaced 2. 54 mm o. 100 in centres and staggered terminations at that same spacing
印製板用頻率低於3mhz的連接器.第3部分:觸點中心相隔距離和交錯線端子相隔距離為2 . 54mm0 75in connectors for frequencies below 3 mhz for use with printed boards. part 4 : two - part connectors for printed boards having contacts spaced at 1. 91 mm 0. 075 in centres and staggered terminations at that same spacing
印製板用頻率低於3mhz的連接器.第4部分:觸點中心相隔距離和交錯線端子相隔距離均為1 91mmThe interleaving two - transistor forward converter succeeds to the advantages of the two - transistor forward converter, it has two units working alternately, the power loss of the converter is distributed and the output voltage ripple frequency is twice of the switching frequency
交錯並聯結構式的雙管正激變換器，繼承了雙管正激變換器的優點，兩個並聯單元互補工作，分擔了功率損耗，等效占空比擴大了一倍，輸出電壓的脈動頻率變為功率管開關頻率的兩倍。0 ? 75in connectors for frequencies below 3 mhz for use with printed boards - two - part connectors for printed boards having contacts spaced at 1, 91 mm 0, 075 in centres and staggered terminations at that same spacing
印製板用頻率低於3mhz的連接器.觸點中心間距和交錯端子間距均為1 ? 91mm0. 100in connectors for frequencies below 3 mhz for use with printed boards - two - part connectors for printed boards having contacts spaced at 2, 54 mm 0, 100 in centres and staggered terminations at that same spacing
印製板用頻率低於3mhz的連接器.觸點中心距和交錯線端子間距均為2 . 54mm0. 1 in connectors for frequencies below 3 mhz for use with printed boards. part 3 : two - part connectors for printed boards, having contacts spaced at 2, 54 mm 0, 1 in centres and staggered terminations at that same spacing
印刷電路板頻率低於3 mhz的連接器.第3部分:中心位置和交錯終端位置上觸點間距為2 . 54 mm0. 075 in connectors for frequencies below 3 mhz for use with printed boards. part 4 : two - part connectors for printed boards, having contacts spaced at 1, 91 mm 0, 075 in centres and staggered terminations at that same spacing
印刷電路板頻率低於3 mhz的連接器.第4部分:中心位置和交錯終端位置上觸點間距為1 . 91 mmBased on comparison between the parallel - parallel and parallel - serial combination ttfc, a novel two - transistor forward converter with parallel - serial / serial combination is proposed. this converter reduces greatly the current overshoot of the primary side switches and the voltage overshoot of the rectifying diodes. moreover, the size and weight of the converter can also be reduced by interleaving technique and increasing frequency
本文在對並-串型和並-並型雙管正激組合變換器進行了詳細比較研究的基礎上，提出了一種新型並-串串型雙管正激組合變換器，該組合變換器可以大大減小原邊開關管的電流應力和副邊整流電路中二極體的電壓應力；通過交錯控制及提高開關頻率，大大提高了變換器的功率密度。A cross - verification mechanism is worked out for detecting facial features on moving pictures by merging the technologies of both image analysis and motion analysis. it provides a solution to the problem of error - correction and feature estimation and makes it possible to detect facial features on video segment at a correction ration of 98 %, thus paves the way for the application of content - based retrieval and video encoding
2 、提出圖像分析和運動分析相結合的交叉驗證方法，實現了活動圖像人臉特徵檢測中的自動糾錯和特徵估計機制，從而使視頻中人臉特徵自動檢測的正確率達到98 %以上，為基於內容檢索和視頻編碼的應用開辟了道路。The circuit topologies family of voltage mode ac - ac mode ac / ac converters with high frequency link include eight circuit topologies, such as single forward mode, interleaved - forward mode, push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. the circuit topologies family of current mode ac - ac mode ac / ac converters with high frequency link include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controll is introduced
電壓源交?交型高頻環節ac ac變換器電路拓撲族，包括單正激式、並聯交錯正激式、推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式八種電路；電流源交?交型高頻環節ac ac變換器電路拓撲族，包括單四象限功率開關式、推挽式、半橋式、全橋式四種電路。分享友人