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低通濾波抽取前端寬帶變換低通濾波抽取低通漣波抽取圖信道分離模型隨著高速的商用模數(shù)轉(zhuǎn)換器的出現(xiàn)，高達(dá)例如采樣率和不斷改善的動態(tài)范圍使寬帶軟件無線電中緊接著DC的信道分離處理面臨挑戰(zhàn)。在信道分離的實(shí)現(xiàn)中，核心的問題是混頻器和低通濾波器的實(shí)現(xiàn)。
　　載波是否等間隔分布，帶寬是否相等和低通濾波器特性在不同的應(yīng)用中有不同的要求。
　　在實(shí)際使用中，標(biāo)準(zhǔn)的數(shù)字下變頻器可以用來從中頻帶寬中選擇出一個(gè)窄帶信道i一，一通常對各個(gè)信道的中心頻率和帶寬之系沒有約束條件。
　　當(dāng)把頻譜分離為等間隔等寬的信道，此時(shí)的每個(gè)信道的和低通濾波器可以采用**方法的實(shí)現(xiàn)。
　　當(dāng)對低通濾波器的過渡帶寬和阻帶衰減要求不嚴(yán)格的時(shí)候，可以采用技術(shù)，當(dāng)對低通濾波器的過渡帶寬和阻帶衰減要求嚴(yán)格的時(shí)候，可以采用多相通過采用流水線結(jié)構(gòu)，可以以較小的代價(jià)，**的實(shí)現(xiàn)實(shí)時(shí)多信道分離。
　　然而軟件無線電中通常需要不等寬和不等間隔的信道，而且信道分配是時(shí)變的，而且在監(jiān)視，探測和檢測的情況一卜往往需要對信號在不同的帶寬分辨率對信號進(jìn)行觀測，有時(shí)候需要同時(shí)觀測。
　對于這些應(yīng)用，一個(gè)新型的結(jié)構(gòu)，流水頻率變換以及由它派生的可調(diào)是一種較好的解決方案。
　　考慮到實(shí)際的情況，如果采用來實(shí)現(xiàn)高的性能指標(biāo)，所需要的的數(shù)目將十分巨大

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Telemecanique RM3 JA102MW Current Measurement Relay

Allen Bradley 700-RTC00110V1 Solid State Timing Relay

Cutler Hammer D60LT3 Current Sensing Relay Transformer

Hiwin Tech 9812963004 Ball Screw 6 X 6 Working Stroke

Ophir 1201400 AN/2 Display for Ophir Thermal Hands

Allen Bradley 1775-MEA 64K Ram Memory

Kuroda Precision RX300042-1 J1 Ballscrew 1000, XM3

Crizaf 0270366AFYE000000 ES/2 UO/U2 Conveyor Belt

Grundfos MOT MG 71B2-14FT85-C Motor

Omron C200H-CT001-V1 Counter Unit

Reliance Electric P56X7258M .5-HP 1725 RPM AC Motor

Giddings & Lewis 502-02804-50 EIA Interface Board

Westinghouse *CLS-5R 5.08KV 150A 60Hz Fuse

Reliance Electric SP120 S12-403P8LU 2HP AC Drive

G&L 502-02777-50 Digitizing Interface Board -

Giddings & Lewis 502-02724-51 Console Interface Board

BANNER MSE2024Y MINI-SCREEN SAFETY LIGHT CURTAIN

Hayes DA-21012-C Driver Amplifier

Landert-Motoren 63-MK-FA4C AC Motor

GE Fanuc 44A397853-G01 TODI/A Card

Banner USCD-1T2 Mircro Control Box

Reliance Electric 10XW4011 VSM500 Speed Drive w/Motor

Price Pump F50AI-369-6A211-50-36-3T6 1/2 HP Baldor

Computer Products 021-5222 AC Input Module

GE Fanuc IC693MDL751CA Output Module 12/24 VDC 32PT NIB

Westinghouse HMCP070J2C Motor Circuit Protector Breaker

Cincinnati Milacron 3-351-3291A Monitor Control Board

Cincinnati Milacron 3-351-3628A Slide Driver CPU Board

Escort Memory Systems HS900-4 Controller Board

Giddings and Lewis 502-02721-50 ALU Board

Parker SS60105001 Double Solenoid Valve

G&L 502-02718-50 Universal CRT Interface Board -

Numatics V1211400900MOO Rodless Locking Cylinder -

Gould Shawmut Amp-trap CS-3 A550X200E-1 Fuse

Symbol LS4006I-I100 Scanner

Fasco 066541501 1500/1400 RPM 1/20 HP Electric Motor

GE 5KCP29FK 1540/1150 RPM 1/10 HP Electric Motor

Raycon 30-730044-Rev B Micropulse Backplane -

Baldor 35L486X945G1 1-HP Stainless Steel AC Motor


WEB Printing 800-136-00 Motherboard

A.O. Smith DE3G047N 1050 RPM Electric Motor

GE 44A398716-G01 TRAD2A Board 44A398716G01

Westinghouse A201K1CA Non-Reversing 27-Amp Contactor

Allen-Bradley 1494F-NF100 Disconnect Switch

Muller 120V3H03 DC Drive

Pacific Scientific R33 GENC-HS-ND-NV-00 Servo Motor

Superior Electric M091-FF-206C5 Slo-Syn Motor

Marposs 6421610100 E14 Magazine Memory Card 4X16K

SUPERIOR ELECTIC M091-FF-206C5 STEPPING MOTOR

Magnetek CE3F011N 1100 RPM Electric Motor

Boy Machines SB54 Digital Display Board -

Boy Machines SB53 Digital Display Board -

Koganei MRGH20X200 Slide

Allen-Bradley 1771-IXE/A Thermocouple/Millivolt Module

GE Fanuc 44A397889-G01 CG5D Board For 550

Landis A99304 MPC-FDI Board

Okuma Opus 5000 E4809-032-452-C EC Board

GE Fanuc 44A399752-G02 REG11Board for Series 1050

Marposs 6349340100 Electric Retraction Module

Norton Alundum Grinding Wheel 57A80-RR51

Racine 951940 Driver Board

EMC Clariion 005348430 Main Board Assembly

Cincinnati Milacron 4-531-4020A PCB Board

Cincinnati Milacron 3-531-3490A Slide Driver Board

Pair of Fafnir 2MM9112WI CR DUL SuperPrecision Bearing

TB Woods BY48SAA BY Spacer Sub Assembly CL A

Allen Bradley 1785-LT PLC-5/15 Processor Module

Mace M0-170BQ 17" Black & White Security System

Giddings and Lewis 502-03113-00 Power Supply and Driver

Yaskawa JANCD-CP11 CPU Board

Heidenhain 251-681-79 Encoder

Gould/Modicon AS-W600-006 Cable Assembly

Westinghouse A201K2CA Model J Non-Reversing Contactor

SCHUNK OSE-A34-4 ROTATE UNIT

Fafnir 3MM212WI DUL Super Precision Ball Bearing NIB

Parker GAW151P-A81V-A Actuator Gripper 150 PSI

Baldor CM3613T 5HP AC Motor

Omron Programmable Controller 3G2C4-SI Expansion Unit

Burks Pumps H22CW0526 T315GA5-1-AI-MV Centrifugal Pump

GE 5KCP39DG 1075 RPM 1/8 HP Electric Motor

GE 5KCP39BG 1000/870/750 RPM 1/20 HP Electric Motor

Emerson Electric Model WC1004 DC Motor Un

Allen-Bradley 6632-MBSB Modem

Acopian VA5MT900 Regulated Power Supply

Bussman JCL-A-4R Fuse 130A 60Hz

Sensotec 43/0825-02 Load Cell 100LBS 10VDC

Norgren A1277C1 Rev 3 Actuator

Winter 1919-3402 Diamond Dressing Roller

Adept Technologies 13200-00040 FIB Sensor Cable

資訊來源：漳州鼎晟達(dá)自動化設(shè)備有限公司