coldfire 中文意思是什麼

coldfire 解釋
冷火
  1. In the third and fourth chapter, describes the development support platforms used for freescale coldfire family. mcf5249

    本文的第三章和第四章介紹了實現g . 729a的coldfire系列mcf5249的硬體開發平臺，重點研究了coldfirev2內核。
  2. About coldfire processor and clinux operation system per se, this dissertation has no much space to introduce it, and only gives a correlative reference

    對于coldfire處理器clinux操作系統本身，論文沒有花太多的篇幅來介紹，僅給出了相關參考文獻。
  3. Built upon the project designing voip terminal based on coldfire platform, this paper designs speech processing module and successfully applied this solution on target platform

    本文基於「 coldfire平臺的ip電話設計」項目，目的在於設計語音處理模塊，並在目標平臺m5249c3開發板上實現。
  4. In the paper, we select the embedded micro - processor coldfire 5307 as system core. with it, the central control module is designed, and then be expanded with serial and ethernet circuits

    在方案中，論文選擇嵌入式處理器coldfire5307為系統硬體核心，圍繞它設計了系統的核心控制模塊。
  5. The system use the preloaded os uclinux - coldfire as its embedded os, use boa as embedded web server whose cgi programs communicate with the dataserver through writing message queues and reading message queues

    選boa作為嵌入式web服務器，昆明理工大學碩士學位論文摘要它的cgi程序通過讀消息隊列和寫消息隊列與數據服務器通信。
  6. In the dissertation, the principle of image coding, the jpeg system and the real - time signal processing system based on dsp are introduced first. then the design of a jpeg real - time image decoder system based on motorola coldfire mcf5272 is discussed

    本文首先介紹了圖像壓縮技術的原理、 jpeg標準和基於dsp的實時信號處理系統，然後在motorolacoldfire32位微處理器mcf5272上設計實現了jpeg解碼演算法。
  7. Built upon the project designing voip terminal based on coldfire platform, my task is designing two protocol modules : the secure real - time transport protocol ( srtp ) and multimedia internet keying ( mikey ), and then implements them on target platform

    本課題是在「基於coldfire平臺的voip終端設計」項目背景下，設計並實現該項目中的兩個協議模塊:安全的實時傳輸協議srtp和多媒體網際網路的密鑰協議mikey 。
  8. Coldfire mcf5235 mcu has a hardware security unit, which can implement popular encryption algorithms and digest algorithms. these security algorithms in srtp / mikey can be implemented by the security unit, so this paper also presents how to use it to implement these algorithms

    本項目中的硬體平臺mcu （ coldfiremcf5235 ）自身帶有硬體安全單元，可以實現目前廣泛使用的加密演算法和認證演算法，本課題中兩個協議模塊內部的加密演算法和認證演算法就是通過該安全單元實現，因此本論文也論述了如何使用mcf5235硬體安全單元實現這些安全演算法。
  9. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
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