複製鏈接
請複製以下鏈接發送給好友

MRU

鎖定
MRU是最大接收單元。而MTU(Maximum-Transfer-Unit)是最大傳輸單元
中文名
MRU
別    名
德國MRU名優公司
定義於
RFC 1661
操作系統
WINDOWS中的MRU

MRU鏈路層

Maximum-Receive-Unit (MRU)
從字面意思來看,
Description
This Configuration Option may be sent to inform the peer that the
implementation can receive larger packets, or to request that the
peer send smaller packets.
The default value is 1500 octets. If smaller packets are
requested, an implementation MUST still be able to receive the
full 1500 octet information field in case link synchronization is
lost.
Implementation Note:
This option is used to indicate an implementation capability.
The peer is not required to maximize the use of the capacity.
For example, when a MRU is indicated which is 2048 octets, the
peer is not required to send any packet with 2048 octets. The
peer need not Configure-Nak to indicate that it will only send
smaller packets, since the implementation will always require
support for at least 1500 octets.
A summary of the Maximum-Receive-Unit Configuration Option format is
shown below. The fields are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Maximum-Receive-Unit |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type
1
Length
4
Maximum-Receive-Unit
The Maximum-Receive-Unit field is two octets, and specifies the
maximum number of octets in the Information and Padding fields.
It does not include the framing, Protocol field, FCS, nor any
transparency bits or bytes.
magnetic resonance urography
MRU/MTU:
MTU是以太網數據鏈路層概念,MRU是PPP鏈路數據鏈路層的概念.都是最大傳輸單元的意思。---tommy zhao

MRU處理板

例如:softco系列設備 SC-MRU-64板=SoftCo的64路語音處理板,包含1個100Base-TX管理接口和1個Console口

MRU操作命令

當你在“運行”對話框中成功地運行一個命令,或是在“查找”對話框中成功地查找到一個文件後,你所鍵入的字符串就會保存在它的下拉列表中。Windows 認為這樣可便於你下次再用到它,這些東西就是"MRU" 了!MRU的全稱為Most Recently Used,直譯理解為最近最多用過的。
但如果下拉列表中的東西太多了,或是你不想別人知道你曾經運行過或查找過什麼,怎樣才能刪掉這些"MRU"清理"MRU"呢?先在“運行”對話框中運行“regedit ”,依次找到HKEY_CURRENT_USER\Softerware\Microsoft\Windows\CurrentVersion\Explorer。在此文件夾下你會發現一個"RunMRU"文件夾,“運行”對話框的"MRU" 即在其中。單擊"RunMRU" 文件夾,再在右邊的窗口裏找到你要刪的"MRU" 項,刪掉即可。而“查找”對話框中的"MRU" 則在相同路徑下的"Doc Find Spec MRU" 文件夾中。

MRU尿路造影

核磁共振尿路成像,利用MR水成像原理顯示尿路系統的成像技術。
MRU(motion reference unit)
------------------------------------------------------------------------------------------------------------------------------------------
運動參考單元
[1] 
加拿大TSR公司在該領域擁有多年經驗,擁有TSR-100MRU、TSR-500水下導航系統等全套解決方案,可按照客户的需求非標定製滿足客户的產品,深圳市立創工控設備有限公司作為TSR在國內的合作伙伴,與TSR一起為全球客户提供24小時不間斷技術支持。
TSR-100:
TSR- 100運動參考單元(MRU:motion reference unit) 是為高精度、高可靠性的測量水上或者水下的俯仰、滾轉、前進、後退、升降等運動而設計,靜態、動態不同工況下的測試都可以滿足。
TSR- 100 MRU可以安裝在任何船隻、遠程操作車輛或其他設備來實現對您的水上、水下等設備的運動數據進行採集,協助您的數據勘測、聲納成像補償、姿態測量等。
TSR- 100運動參考單元是行業裏的新晉領導產品:
1,業內頂級的高精度、數據高準確性,高可靠性
2,精心挑選硬件組件,支持最苛刻的工況,如温差變大很大
3,通過升降測量,額外監控甲板的運動狀態
我們承諾為您提供代表當下最高科技發展水平的TSR-100運動參考單元,同時,我們可以參照您的具體工況來為您非標定製、量身打造最適合您需求的MRU,我們確保響應迅速,並且儘快將滿足您需求的高品質的產品交付到您的手中。您將受益於我們的快速響應、高品質產品,從而為您的項目進展、預算等保證週期及成本:
1,您可以完全跟您的特殊應用和工況來定製MRU運動參考單元
2,支持工業領域全部主流的通訊協議,依照您的選擇來確定接頭、線纜等
3,定期的固件升級或更新以確保產品始終處於業內領先水平
4,全天候提供技術支持(24*7h)
TSR-100 SPECIFICATIONS
FEATURE
SPECIFICATION
Size
3.5" DIA x 6" L Anodized Aluminum cylinder with mounting plate (Delrin and Marine Bronze housing also available)
Weight
1.2 kg (Aluminum)
Weight (in water)
0.3 kg (Aluminum)
Depth Rating
3300 m (Aluminum) 2500 m (Marine Bronze) 900 m (Delrin)
Power
7 VDC to 36 VDC reverse polarity protected
Communication
RS-232 or RS-485
Connector
4 pin LSG-4-BCL connector (others available upon request)
Maximum rotation rate
Selectable +/- 75 deg/sec, +/- 150 deg/sec, +/- 300 deg/sec
Maximum acceleration
+/- 18 g
Magnetometer range
+/- 2.5 gauss
Orientation Accuracy
+/- 0.5 deg typical for static conditions (application depended) +/- 1.0 deg typical for dynamic conditions (application depended) Note that the orientation accuracy depends on the application and the environment that the sensor is operating in (i.e. vibration, dynamic motion and etc.).
Orientation resolution
0.1 deg
Heave resolution
5 cm
Optional Sensors
Pressure / Temperature
參考資料