signal locking 中文意思是什麼
signal locking
解釋
信號鎖閉-
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
Experiments and training can be carried out for the benefit of students on this system in the areas of signal measurement, signal transmission, data display, alarm display, modification of parameters, locking and awakening of alarm, extension alarm and simulation tests etc., which will improve the ability of students in the maintenance and management of modern ship - board automation control system ; 4
有利於對學員進行信號測量、信號傳遞、數據顯示、報警顯示、參數修改、報警閉鎖與喚醒、延伸報警以及模擬實驗等各方面的實驗和訓練，提高學員對現代化船舶自動化控制系統的維護和管理能力。 -
The main mechanism include signal measure and select mechanism, backing mechanism, regulating and locking mechanism, install mechanism, and so on
包括信號測取機構、後退機構、調節與鎖定機構、安裝機構等。 -
2. we studied the relationship between the locking bandwidth and the injected signal light intensity and verified that the locking bandwidth is asymmetric. the negative frequency detuning is larger than positive frequency detuning
實驗證實了鎖頻范圍是不對稱的，負失諧范圍大於正失諧范圍，並且注入功率越大，鎖定范圍越大。 -
The injection - locking technology, characterized by the frequency stabilization, amplification, modulation and etc, has been widely used in the small - signal recovery, frequency synchronization, power synthesis, phase modulation and etc in the microwave, millimeter wave and higher frequency range communication and phased - array systems
注入鎖定技術具有穩頻、放大、調制等特性，已被廣泛應用於微波毫米波以及更高頻段通信和相控陣系統中的小信號恢復、頻率同步、功率合成、相位調制等。 -
This paper tries to improve and research on the railway signal relay locking, and especially deals with its technicality and safety
文章是關于傳統鐵道信號繼電器聯鎖方式的計算機改造與研究，從技術性、安全性等方面進行了探討。 -
Abstract : this paper tries to improve and research on the railway signal relay locking, and especially deals with its technicality and safety
文摘:文章是關于傳統鐵道信號繼電器聯鎖方式的計算機改造與研究，從技術性、安全性等方面進行了探討。 -
In satellite communications, the process of locking tracking equipment on a signal from a communications satellite
在衛星通信中，通過來自通信衛星上的一個信號鎖定跟蹤設備的過程。
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