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Description: 利用单片机来控制传感器的测量物体的微振动，当物体微振动时把信号传输给了传感器，利用传感器采集的数据给了单片机，让单片机做具体的操作- Using monolithic integrated circuit control sensor survey
object micro vibration, when object micro vibration has given the
signalling the sensor, gathered the data using the sensor to give the
monolithic integrated circuit, let the monolithic integrated circuit
make the concrete operation
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Size: 116141 |
Author: 黄敏 |
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Description: sipXtapi is a comprehensive client library and software development kit (SDK) for SIP-based user agents. It includes SIP signalling support as well as a media framework. A complete and very feature rich softphone can be built easily by adding a graphical user interface on top of sipXtapi. Alternatively, sipXtapi was engineered to be embedded into existing applications adding real-time communications to such applications.
-sipXtapi is a comprehensive client librar y and software development kit (SDK) for SIP-ba sed user agents. It includes SIP signaling sup port as well as a media framework. A complete and very feature rich softphone can be built easily by adding a graphical user interface on top of si pXtapi. Alternatively, sipXtapi was engineered to be embedded into the moment exi sting applications adding real-time Communic ations to such applications.
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Size: 2903991 |
Author: sf |
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Description: ITU-T Recommendation V.90 98年9月版本
A DIGITAL MODEM AND ANALOGUE MODEM PAIR FOR USE ON THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) AT DATA SIGNALLING RATES OF UP TO 56 000 bit/s DOWNSTREAM AND UP TO 33 600 bit/s UPSTREAM-ITU-T Recommendation V.90 September 98 version A DIGIT AL MODEM AND ANALOGUE MODEM PAIR FOR USE ON THE PU Blic SWITCHED TELEPHONE NETWORK (PSTN) AT DATA SIGNALING RATES OF UP TO 56,000 bit / s DOWNSTREA M AND UP TO 33,600 bit / s UPSTREAM
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Size: 219682 |
Author: 李小钱 |
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Description: Open Source telephony switching and private branch exchange (PBX) daemon. Supported signalling protocols-Open Source telephony switching and priva te branch exchange (PBX) daemon. Supported sig nalling protocols
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Size: 292328 |
Author: 彭云林 |
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Description: Specification of Signalling System N0.7
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Size: 115709 |
Author: 张伟 |
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Description: 音频信号发生器 - Tonic train signalling generator tonic train signalling
generator
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Size: 244131 |
Author: 董大庆 |
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Description: 音频信号发生器 - Tonic train signalling generator tonic train signalling
generator
Platform: |
Size: 243712 |
Author: 董大庆 |
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Description: 利用单片机来控制传感器的测量物体的微振动，当物体微振动时把信号传输给了传感器，利用传感器采集的数据给了单片机，让单片机做具体的操作- Using monolithic integrated circuit control sensor survey
object micro vibration, when object micro vibration has given the
signalling the sensor, gathered the data using the sensor to give the
monolithic integrated circuit, let the monolithic integrated circuit
make the concrete operation
Platform: |
Size: 115712 |
Author: 黄敏 |
Hits:
Description: sipXtapi is a comprehensive client library and software development kit (SDK) for SIP-based user agents. It includes SIP signalling support as well as a media framework. A complete and very feature rich softphone can be built easily by adding a graphical user interface on top of sipXtapi. Alternatively, sipXtapi was engineered to be embedded into existing applications adding real-time communications to such applications.
-sipXtapi is a comprehensive client librar y and software development kit (SDK) for SIP-ba sed user agents. It includes SIP signaling sup port as well as a media framework. A complete and very feature rich softphone can be built easily by adding a graphical user interface on top of si pXtapi. Alternatively, sipXtapi was engineered to be embedded into the moment exi sting applications adding real-time Communic ations to such applications.
Platform: |
Size: 2904064 |
Author: sf |
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Description: ITU-T Recommendation V.90 98年9月版本
A DIGITAL MODEM AND ANALOGUE MODEM PAIR FOR USE ON THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) AT DATA SIGNALLING RATES OF UP TO 56 000 bit/s DOWNSTREAM AND UP TO 33 600 bit/s UPSTREAM-ITU-T Recommendation V.90 September 98 version A DIGIT AL MODEM AND ANALOGUE MODEM PAIR FOR USE ON THE PU Blic SWITCHED TELEPHONE NETWORK (PSTN) AT DATA SIGNALING RATES OF UP TO 56,000 bit/s DOWNSTREA M AND UP TO 33,600 bit/s UPSTREAM
Platform: |
Size: 219136 |
Author: 李小钱 |
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Description: Open Source telephony switching and private branch exchange (PBX) daemon. Supported signalling protocols-Open Source telephony switching and priva te branch exchange (PBX) daemon. Supported sig nalling protocols
Platform: |
Size: 291840 |
Author: 彭云林 |
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Description: Specification of Signalling System N0.7
Platform: |
Size: 115712 |
Author: 张伟 |
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Description: ETSI TS 125 433 V7.9.0(2008-07)
Universal Mobile Telecommunications system (UMTS)
UTRAN Iub interface Node B Application Part (NBAP)
signalling -ETSI TS 125 433 V7.9.0 (2008-07)
Universal Mobile Telecommunications system (UMTS)
UTRAN Iub interface Node B Application Part (NBAP)
signalling
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Size: 3614720 |
Author: 杨志刚 |
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Description: The function of an SS7 GW is to allow interconnection between the signalling of the PSTN, based on SS7, and the
signalling systems of the VoIP networks – either SIP or H.323. Additionally, the SS7 GW must provide connection
control for interworking the TDM circuits of the PSTN to RTP streams in the IP network.
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Size: 218112 |
Author: jefferychang |
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Description: gps signalling proto_col
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Size: 394240 |
Author: karthik |
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Description: ITU-T Q.763规范，定义了7号信令ISUP消息的格式，具体字段内容。-ITU-T Q.763 specification，defines Signalling System No. 7 – ISDN user part formats and codes
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Size: 656384 |
Author: yaopeng |
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Description: 国际标准，需要收费的，从网上好不容易收集到的，现贡献给大家。-This Standard is part of a group of related Standards. The others are EN 50126 "Railway applications-
The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS)î and
EN 50129 "Railway applications- Safety related electronic systems for signalling". EN 50126 addresses
system issues on the widest scale, while EN 50129 addresses the approval process for individual
systems which may exist within the overall railway control and protection system. This Standard
concentrates on the methods which need to be used in order to provide software which meets the
demands for safety integrity which are placed upon it by these wider considerations.
This Standard owes much of its direction to earlier work done by Working Group 9 of IEC/TC 65. The
work of WG 9 resulted in a generic standard for software for safety systems which is now part of
IEC 61508. A particular aspect of the work by WG 9 is its inclusion of Software Integrity Level 0, wh
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Size: 392192 |
Author: 钟杨 |
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Description: 安全评估需要参考的国际标准，需要收费的，好不容易从网上收集到，现贡献给大家。-This Standard is part of a group of related Standards. The others are EN 50126 "Railway applications-
The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS)î and
EN 50129 "Railway applications- Safety related electronic systems for signalling". EN 50126 addresses
system issues on the widest scale, while EN 50129 addresses the approval process for individual
systems which may exist within the overall railway control and protection system. This Standard
concentrates on the methods which need to be used in order to provide software which meets the
demands for safety integrity which are placed upon it by these wider considerations.
Platform: |
Size: 4576256 |
Author: 钟杨 |
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Description: It s ITU-T Q.2630.2 Telecommunication Standard, AAL type 2 signalling protocol – Capability set 2.
This Recommendation specifies the inter-node protocol and nodal functions that control AAL type 2 point-to-point connections.
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Size: 338944 |
Author: cyiin |
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Description: Railway signalling system
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Size: 1445888 |
Author: Teejay |
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