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dataword 1111 æ codeword 1111111 æ corrupted 0111110 æ s2s1s0 111 change b1 table 10 5 æ corrected codeword 0101110æ dataword 0101 the dataword is found but it is incorrect c 7 4 cannot correct two errors

bài giải bài tập truyền số liệu

bài giải bài tập truyền số liệu

Điện - Điện tử - Viễn thông

... correctly found c Dataword: 1111 → Codeword: 1111 1 11 → Corrupted: 01111 1 0 → s2s1s0 = 111 Change b1 (Table 10. 5) → Corrected codeword: 01 01 110 → dataword: 0101 The dataword is found, but it is incorrect ... The dataword is correctly found b Dataword: 0111 → Codeword: 01 110 01 → Corrupted: 00 1100 1 → s2s1s0 = 011 Change b2 (Table 10. 5) → Corrected codeword: 01 110 01→ dataword: 0111 The dataword is correctly ... incorrect C( 7, 4) cannot correct two errors 3 d Dataword: 0000 → Codeword: 0000000 → Corrupted: 1100 001 → s2s1s0 = 100 Change q2 (Table 10. 5) → Corrected codeword: 1100 101→ dataword: 1100 The dataword...
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VideoStudio Pro X3 kicks the movie making process into high gear

VideoStudio Pro X3 kicks the movie making process into high gear

Thiết kế - Đồ họa - Flash

... resolution: 102 4 x 76 8 ( 24- bit color) * Compatible with: Windows XP/ Vista and (32/ 64- bits) * Multilingual: English, Spanish, French, Italian, German, Chinese, Janapense, Netherlands, Russian and Polish ... AVCHD, Blu-ray Disc and JVC HD camcorders New! Save videos as HD MPEG -4 files for the Web with H.2 64 compression New! Output HD movies on either DVD, or Blu-ray Disc with BD-J activation Share ... templates from RevoStock—worth over $50 0 US Enhanced! Studio-quality music, titles, transitions and real-time effects New! Customizable audio tracks with SmartSound and Dolby Digital® 5. 1 Surround Sound...
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Xe ô tô BMW X5 E70 SM 01a_E70 Introduction

Xe ô tô BMW X5 E70 SM 01a_E70 Introduction

Cơ khí - Chế tạo máy

... 3 45 / 24 Air resistance (coefficient of drag) cd 0. 341 0. 351 Top speed (electronically limited) 130 150 Front tires 255 /55 R18 H XL RSC 255 /55 R18 H XL RSC Rear tires 255 /55 R18 H XL RSC 255 /55 ... 4, 8 54 4, 6 67 Width (mm) 2,1 97 2,180 Height (mm) 1 ,76 6 1 ,70 7 Wheelbase (mm) 2,933 2,820 Track width, front (mm) 1, 644 1 , 57 6 Track width, rear (mm) 1, 650 1 , 57 6 E70 Introduction Technical Data Specification ... Specification Number of doors/seats X5 3.0i SAV X5 4. 8i N52B30O1 N62B48O1 5/ 5 units 5/ 5 Vehicle length/width/height, unladen mm 4, 8 54 /1,933/1 ,72 8 4, 8 54 /1,933/1 ,72 8 Wheelbase/turning circle mm/m...
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Xe ô tô BMW X5 E70 SM 01b_E70 Glovebox

Xe ô tô BMW X5 E70 SM 01b_E70 Glovebox

Cơ khí - Chế tạo máy

... electronic circuit The unlocking-mechanism electronic circuit evaluates the signal from the glovebox button The glovebox light is switched on as soon as the signal from the junction-box ECU changes ... unlocking-mechanism electronic circuit recognizes when the junction-box ECU transmits the signal for unlocking The unlocking drive (11) is activated once synchronization has been completed The unlocking ... voltage The unlocking mechanisms (3 and 4) of the glovebox receive this signal for approximately 100 ms Each unlocking mechanism features an electronic circuit, which controls and monitors the unlocking...
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Xe ô tô BMW X5 E70 SM 02a_E70 Powertrain

Xe ô tô BMW X5 E70 SM 02a_E70 Powertrain

Cơ khí - Chế tạo máy

... characteristic of the multi-disc clutch can vary slightly due to the mechanical tolerances in the production process After measuring the actual locking power on the clutch test rig, a resistor is fitted ... resistance and correspondingly selects the optimum characteristic map for the installed transfer box To facilitate accessibility, the coding resistor is no longer fitted on the casing of the worm ... a chain to the propeller shaft to the front axle and apportioned by a multi-disc clutch The torque transmission efficiency of the multi-disc package has remained the same compared to the ATC500...
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Xe ô tô BMW X5 E70 SM 02b_E70 Gasoline Engines

Xe ô tô BMW X5 E70 SM 02b_E70 Gasoline Engines

Cơ khí - Chế tạo máy

... required cooling capacity but rather the restricted space conditions For this reason, the 200 W Pierburg pump is not used as is standard on the N52K engine 22 E70 Gasoline Engines Cooling Circuit N62B48O1 ... (rpm) 2 35/ 320 6100 261/ 350 6300 Torque (Nm) at engine speed (rpm) 44 0 3600 4 75 350 0 Compression ratio 10. 0 10. 5 Valves/cylinder 4 Fuel type (RON) 98 98 Firing order 1 -5- 4- 8-6-3 -7- 2 1 -5- 4- 8-6-3 -7- 2 ... September 2006 The engine has been adapted for use in the E70 The changes and modifications to the N52K compared to the N52 and the components specific to the E70 are described in the following Cylinder...
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Xe ô tô BMW X5 E70 SM 02c_E70 Transmissions

Xe ô tô BMW X5 E70 SM 02c_E70 Transmissions

Cơ khí - Chế tạo máy

... to 4 .7 bar (0 mA = bar, 70 0 mA = 4 .7 bar) • Supply voltage 12 V • Resistance 5. 05 Ohm (at 20 C) EDS with rising characteristic Electronic pressure control valves 4, 5, 6: Yellow cap, rising characteristic ... downshift characteristic 2nd downshift characteristic 3rd downshift characteristic Accelerator pedal movement Multiple downshift Dynamics boost 25 E70 Transmissions Shift Speed Characteristics The ... Unlock Button Evaluating the P-button The P-button sends the driver's choice to apply the parking lock to the EGS • The P-button is read by means of two contacts in inverse logic • The two contacts...
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Xe ô tô BMW X5 E70 SM 03a_E70 Voltage Supply and Bus

Xe ô tô BMW X5 E70 SM 03a_E70 Voltage Supply and Bus

Cơ khí - Chế tạo máy

... FD Rear Compartment Display CA Comfort Access FKA Rear Compartment Heating and A /C CAS Car Access System FLA High Beam Assistant CCC Car Communication Computer FRM Footwell Module CDC CD Changer ... direct access to the MOST The two connectors must be removed from the holder secured on the cover The two connectors are then plugged together The OPS/ OPPS can now be connected to the connector ... In the E70, the MOST bus is used for the components in information/communication systems The CCC, or the CHAMP is used as the master control unit Other bus users may be: • CD changer/DVD changer...
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Xe ô tô BMW X5 E70 SM 03b_E70 Car Access System 3

Xe ô tô BMW X5 E70 SM 03b_E70 Car Access System 3

Cơ khí - Chế tạo máy

... for the data exchange The cryptic code provides the enable to start the engine The Car Access System is backwards compatible with the Car Access System This means the functions of the Car Access ... transmission control The electronic transmission control deciphers and checks these individual codes If the check is successful, the gearbox control unit will enable the gearbox functions The electronic ... control 14 E70 Car Access System Control Unit Replacement A defect in the control units belonging to the EWS represents a challenge for the Service technician Since a defective control unit cannot...
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Xe ô tô BMW X5 E70 SM 03c_E70 Energy Management

Xe ô tô BMW X5 E70 SM 03c_E70 Energy Management

Cơ khí - Chế tạo máy

... Management Closed-circuit Current The closed-circuit current on the E70 is approximately 22 mA on fully equipped US vehicles A check control message is sent as from a closed-circuit current value ... 30g_f relay is activated by the junction box control unit and switches off the connected electric loads if a fault occurs The terminal 30g_f relay is a bistable relay Each switching status is retained ... closed circuit current progression in the E70 in connection with the various operating modes in the vehicle electrical system The actual current values change depending on the vehicle equipment configuration...
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Xe ô tô BMW X5 E70 SM 04a_E70 Chassis Dynamics

Xe ô tô BMW X5 E70 SM 04a_E70 Chassis Dynamics

Cơ khí - Chế tạo máy

... force takes effect, the full lateral cornering force can be established in accordance with the radius of the Kamm's circle In the same way, the full braking or acceleration force can be established ... about the z axis • E70 vertical dynamics systems - The following essentially act upon the vertical wheel forces and the wheel contact forces: – VDC – EHB – ARS E70 Chassis Dynamics This affects the ... Distance for the center of gravity from the road surface Wheelbase Track width The position of the center of gravity in the vehicle, its distance from the road surface, the wheelbase and the track width...
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Xe ô tô BMW X5 E70 SM 04b_E70 Lateral Dynamics Systems

Xe ô tô BMW X5 E70 SM 04b_E70 Lateral Dynamics Systems

Cơ khí - Chế tạo máy

... is moved, the code disc turns within the optical sensor Code disc Optical sensor Code Disc The code disc is black and has a pattern of lines This pattern consists of two continuous lines on the ... guide is fixed to the circuit board with two screws The LED and light guide form the optical sensor together with the line camera Line Camera The line camera is fitted under the code disc The line ... inside of the code disc Between the two continuous lines, there are discontinuous lines at certain distances from each other These represent the digital range of the sensor The digital code changes...
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Xe ô tô BMW X5 E70 SM 04c_E70 Vertical Dynamics Systems

Xe ô tô BMW X5 E70 SM 04c_E70 Vertical Dynamics Systems

Cơ khí - Chế tạo máy

... force characteristic curves • Communications media The VDM control unit is connected to the PT-CAN, F-CAN and FlexRay; the EDC satellite control units are only connected to the FlexRay 35 E70 ... axle counteract the rolling moment [M] Using this approach, the roll angle is compensated for in accordance with the characteristic curve specified in the control unit The roll angle is fully compensated ... the EDC-K already fitted on the E 65 Like EDC-K, VDC is notable for its continually adjustable dampers whereby, within certain limits, as many damping characteristic curves (damping force - piston...
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Xe ô tô BMW X5 E70 SM 04d_E70 Longitudinal Dynamics Systems

Xe ô tô BMW X5 E70 SM 04d_E70 Longitudinal Dynamics Systems

Cơ khí - Chế tạo máy

... sensor in the hydraulic unit DSC Control Unit The DSC control unit can be replaced individually The 47 - pin connector connects the DSC control unit to the engine wiring harness 23 E70 Longitudinal ... sensor The code disc is connected by means of a driver to the steering wheel The code disc turns within the optical sensor as the steering wheel is turned Code Disc The code disc is black and ... in addition to the service brake, one of the main advantages of the EMF is that it enables dynamic braking with DSC control Dynamic Cruise Control (DCC) The dynamic cruise control is a conventional...
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Xe ô tô BMW X5 E70 SM 05a1_E70 Central Locking

Xe ô tô BMW X5 E70 SM 05a1_E70 Central Locking

Cơ khí - Chế tạo máy

... units The electronic vehicle immobilizer is also used in connection with the Car Access System The Car Access System is backwards compatible with the Car Access System Therefore, the Car Access ... signal, the Car Access System initiates activation of the central locking The Car Access System is the central control unit for the central locking The junction box control unit (26) executes the ... automatic soft close drive unit via a microswitch for the tailgate The microswitch is located in the tailgate lock The junction box control unit evaluates the microswitch The microswitch signal...
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Xe ô tô BMW X5 E70 SM 05a2_E70 Power Windows

Xe ô tô BMW X5 E70 SM 05a2_E70 Power Windows

Cơ khí - Chế tạo máy

... window switch Explanation Resistance-coded switch Control Units Car Access System The Car Access System is the central control unit for opening and closing the windows Therefore, it issues the enable ... in this position The footwell module sends the request via the K-CAN On conclusion of the corresponding check, the Car Access System initiates the comfort opening or closing procedure With Comfort ... overpull the switch again as the anti-trap mechanism is still active the first time the switch is overpulled Overpulling the power window switch the second time within seconds closes the window with...
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Xe ô tô BMW X5 E70 SM 05a3_E70 Comfort Access

Xe ô tô BMW X5 E70 SM 05a3_E70 Comfort Access

Cơ khí - Chế tạo máy

... Comfort Access system in the E70 X5 • Locate all the components used in the system E70 Comfort Access Introduction Using Comfort Access the customer can unlock and open the vehicle without active ... MHz to the remote control receiver to obtain authentication The Car Access System checks the authentication of the ID transmitter Following successful authentication, the Car Access System issues ... locking The junction box control unit activates the central locking drive units 16 E70 Comfort Access Special Functions The Comfort Access additionally features the special functions described in the...
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Xe ô tô BMW X5 E70 SM 05a4_E70 Wipe-Wash System

Xe ô tô BMW X5 E70 SM 05a4_E70 Wipe-Wash System

Cơ khí - Chế tạo máy

... switch The wiper switch is an integral part of the steering column switch cluster SZL Wiper Switch The following functions are switched on with the wiper switch: • Intermittent wipe without the ... switch cluster The steering column switch cluster sends the signal on the F-CAN to the dynamic stability control From the dynamic stability control, the signal is made available on the PT-CAN The ... when the wiper switch on the steering column stalk (12) is operated is sent from the steering column switch cluster SZL (13) via the chassis CAN to the dynamic stability control DSC (4) The dynamic...
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Xe ô tô BMW X5 E70 SM 05a5_E70 Panorama Glass Sunroof

Xe ô tô BMW X5 E70 SM 05a5_E70 Panorama Glass Sunroof

Cơ khí - Chế tạo máy

... is the precondition for the execution of the emergency closing function It is necessary to release and press the button again, as the first time the button is pressed the anti-trapping protection ... using the outside door handle with Comfort Access The sensitive area must be touched for a long time to launch the comfort closing process Only then will the roof function center execute the comfort ... Explanation Car Access System 3 Junction box control unit Footwell module Roof function center E70 Panorama Glass Sunroof Control Units Car Access System The Car Access System issues the release...
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Xe ô tô BMW X5 E70 SM 05a7_E70 Seats

Xe ô tô BMW X5 E70 SM 05a7_E70 Seats

Cơ khí - Chế tạo máy

... Seat Section The small seat section is monitored by a Micro-switch, since there is no belt integrated in the backrest The Micro-switch is situated on the mechanical lock on the inside of the seat ... position/backrest position Junction-Box ECU The junction-box ECU is the monitoring electronic control unit In the event of an incorrectly locked seat, the junction-box ECU no longer has ground contact ... backrest is in the fully set-down in position and locked All the switches are closed when the seat section is correctly locked One of the switches of a locked seat is always open or closed The...
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