山東中發(fā)Bopp&Reuther DIMF2,0TVS-I-10-D25-N-1-H原裝進(jìn)口
傳統(tǒng)的微功率電源模塊采用自激推挽拓?fù)涞碾娐?，效率、容性?fù)載、啟動能力等各項性能之間的相互制約，如表1所示：啟動能力與容性負(fù)載能力相互加強(qiáng)作用，而與電源轉(zhuǎn)換效率是相互制約的，啟動能力強(qiáng)則電源轉(zhuǎn)換效率低。難以均衡、難以采用常規(guī)技術(shù)突破，導(dǎo)致成本高、性價比低；同時該拓?fù)浣Y(jié)構(gòu)電路是無異常工況保護(hù)功能，在電路出現(xiàn)異常工作狀態(tài)時，會導(dǎo)致電源模塊損壞，甚至導(dǎo)致災(zāi)難性的后果，而且行業(yè)內(nèi)的微功率電源模塊有如下三道難題：表1各性能相互制約表難題一：輸出短路保護(hù)與輸出特性市面上支持短路保護(hù)的電源主要采用兩種方案，但均存在較大的缺陷：行業(yè)內(nèi)比較常用的方法是利用變壓器繞組分離的技術(shù)實現(xiàn)長期輸出短路保護(hù)功能，但采用這種方式帶來的后果是大大減低了產(chǎn)品的轉(zhuǎn)換效率、紋波噪聲較大并且提高了成本；采用自主磁芯專利技術(shù)實現(xiàn)可持續(xù)短路保護(hù)，但為避免短路時，后端重載會導(dǎo)致模塊損壞，因此輸出容性負(fù)載能力差。
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RIEGLER 164.038-6
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Staubli RBE03.2100/IA/75/OD/HPG/JV 快速插拔式單向閥
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balluff BRGD0-WAD16-EP-P-R-K-SA1-02 編碼器
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esd electronic system design CAN-CBX-AI814,Art.-Nr.C.3020.02 通訊模塊
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JUMO 707021/888-888-23
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BERNSTEIN 6410311368 MAK-1113-1,5
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AMETEK POWER BOARD 90253VE,AMETEK WDGIV-UOP/RP
小強(qiáng)工控 CARLO GAVAZZI ESAVTD20VDM
PALL RC861CZ086HYM
SPIETH MSW 30-44
03708070 FRONT SECTION HDP30.43D1-05S3-LMD/MC-65M0-N-A
山東中發(fā)Bopp&Reuther DIMF2,0TVS-I-10-D25-N-1-H原裝進(jìn)口
UART轉(zhuǎn)CAN的應(yīng)用已廣泛應(yīng)用于各行各業(yè)，因此對于數(shù)據(jù)幀轉(zhuǎn)換的形式要求也逐漸增多，目前主流的轉(zhuǎn)換形式包括透明轉(zhuǎn)換、透明帶標(biāo)識轉(zhuǎn)換以及自定義轉(zhuǎn)換。具體是如何實現(xiàn)？本文將為大家介紹其中的透明帶標(biāo)識轉(zhuǎn)換。適用場景串口轉(zhuǎn)CAN模塊在什么時候需要用到呢？一是老產(chǎn)品面臨升級，需要用到CAN總線通信，但硬件平臺中的MCU沒有集成CAN總線的控制器。二是選用的MCU已經(jīng)包含CAN總線接口，但數(shù)量上不能滿足項目需求。
SCHUNK GZB-S Φ20/Φ10
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CKS 96T_Z_UK_U_A 工業(yè)鍵盤
04070500 MOZZO MO81-B 25X22 DIN 5482 (1/14)
Beta BETA C3-T588H-C02-So-K1(160-300°C) 溫度開關(guān)
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SELET傳感器B07E3015NOC5
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RIEGLER 211/1
ASD10006-M DM2D3114050 GL2D3115020/FL
71002580 HDP30.22-32/30.17 D1
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LVP 48D-05S5-LSE/VC-N-RP0-AS5/04
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德國Honsberg OMNI-VHZ-008GA002P
MS-Graessner_GmbH 22140A700074 齒輪箱
KP20.31,5/20.14 D/FS
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BC111321 DM2D3122065/OS GSS00122
Tematec Art.-Nr.: WT7490-1017 熱電偶
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67107082 PLP20.20-51/10.3,15 S/FS EL
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FP30.38D0-19T1-LGE/GE-N
JUMO ELWA ATH-SE-70
BERNSTEIN 6161700213 F1-U2ZD UK Interruttore a pedale
RIEGLER 517.202
Phoenix FL SWITCH SF 7TX/FX Nr.2832726 模塊
HPI齒輪泵P1AAK3031HJ33A02N
RIEGLER 580FRM3-12-4
HERDING MP12
SIEMENS 6AG1322-1FF01-7AA0 可編程控制器
ABB PFEA111-20 24VDC 500MA
RIEGLER 177.014-10
klay 8000-E-S-GC NAMCO EA700-30964 RIEGLER 8854.038-12 ILME 660693 ILCXL 2/4 PFHNUM GmbH BPH0952N5QF2L01 電機(jī) OMRON A22NS-3MR-NYA-G122-NNSCHMERSAL 103009719 NDTBL/GN/101D
山東中發(fā)Bopp&Reuther DIMF2,0TVS-I-10-D25-N-1-H原裝進(jìn)口
二維傅里葉變換Lamb波在時間和空間上都可以通過二維傅里葉變換轉(zhuǎn)換為二維各個離散頻率點的頻率G波數(shù)能量譜,從而分解出單個Lamb波,并可對其幅值進(jìn)行測量。單個波動組分在時間上的頻度稱為頻率,而在空間(距離)上的頻度稱為波數(shù).由頻率波數(shù)譜中某個波動組分的頻率和波數(shù),可以確定周期和波長。通過對接收信號的二維傅里葉變換,與理論計算得到的波數(shù)G頻率的頻散曲線進(jìn)行對比,從而確定檢測信號中包含的Lamb波模態(tài)。
