【正文】 大學高教自考畢業(yè)設計（論文） ３１ 參考文獻 [1] 倪養(yǎng)華 ． 數(shù)字信號處理與實現(xiàn)．上海：上海交通大學出版社 ， 1998 [2] 飛思科技產品研發(fā)中 心 ． MATLAB7 輔助信號處理技術與應用 ． 北京：電子工業(yè)出版社， 2022 [3] 樓順天，李博苗 ． 基于 MATLAB 的系統(tǒng)分析與設計一信號處理 ． 西安：西安電子科技大學出版社， 1998. [4] 張葛祥，李 娜 ． MATLAB 仿真技術與應用 ． 北京：清華大學出版社， 2022 [5] 胡廣書 數(shù)字信號處理、理論、算法與實現(xiàn) [M] ． 北京：清華大學出版社，1997 [6] 陳希林 ， 肖明清 ． 一種 LabWindows/CVI 與 MATLAB 混合編程的實現(xiàn)方法 [J].微計算機信息 ， 2022 [7]劉波 ． MATLAB 信號處理 ． 北京：電子工業(yè)出版社， 2022 [8]施陽等． MATLAB 語言工具箱．西安：西北工業(yè)大學出版社 ， 1999 [9]丁玉美 ． 數(shù)字信號處理 ． 西安電子科技大學出版社 第二版 重慶郵電大學高教自考畢業(yè)設計（論文） ３２ 結束語 本文在對濾波器實際設計中 用到了多種設計方法，與其他高級語言的程序設計相比， MATLAB 環(huán)境下可以更方便、快捷地設計出具有 IIR 數(shù)字濾波器，節(jié)省大量的編程時間，提高編程效率，且參數(shù)的修改也十分方便，還可以進一步進行優(yōu)化設計。但是運用函數(shù)設計法，整個過程的運算量是很大的。設計階數(shù)較高的IIR 濾波器時，計算量更大，設計過程中要改變參數(shù)或濾波器類型時都要重新計算。它需要反復的實驗，而且需要設計者憑借經驗設定參數(shù)，平時所要設計的數(shù)字濾波器，階數(shù)和類型并不一定是完全給定的，很多時候要根據(jù)設計要求和濾波效果不斷地調整，以達到設計的最優(yōu)化。 在這種情況下，濾波器設計就要進行大量復雜的運算，單純的靠公式計算和編制簡單的程序很難在短時間內完成。因此，基于對象的信號處理工具 FDATOOL 以及 SPTOOL 界面設計濾波器，可以有效的的解決這一問題，它不僅減少了設計復雜度，而且還為用戶提供了一個便于分析和觀察的界面。本文利用 Matlab的信號處理工具及其 SIMULINK仿真工具包箱能夠方便快捷地設計和實現(xiàn)各種濾波器，使信號波形更加直觀，并且用 FDATOOL工具箱以及專門用于濾波器設計來設計 IIR數(shù)字濾波器，充分利用了 MATLAB 的交互性好的特點，而且 最后用到了 SIMULINK 仿真工具箱來實現(xiàn)信號傳輸和濾波器的設計，將濾波器的設計置于一個新的平臺，這對于研究信號的傳輸和處理有著極其重要的作用。 重慶郵電大學高教自考畢業(yè)設計（論文） ３３ 您好，為你提供優(yōu)秀的畢業(yè)論文參考資料，請您刪除以下內容， O(∩ _∩ )O 謝謝！?。?A large group of tea merchants on camels and horses from Northwest China39。s Shaanxi province pass through a stop on the ancient Silk Road, Gansu39。s Zhangye city during their journey to Kazakhstan, May 5, 2022. The caravan, consisting of more than 100 camels, three horsedrawn carriages and four support vehicles, started the trip from Jingyang county in Shaanxi on Sept 19, 2022. It will pass through Gansu province and Xinjiang Uygur autonomous region, and finally arrive in Almaty, formerly known as AlmaAta, the largest city in Kazakhstan, and Dungan in Zhambyl province. The trip will cover about 15,000 kilometers and take the caravan more than one year to plete. The caravan is expected to return to Jingyang in March 2022. Then they will e back, carrying specialty products from Kazakhstan A small art troupe founded six decades ago has grown into a household name in the Inner Mongolia autonomous region. In the 1950s, Ulan Muqir Art Troupe was created by nine young musicians, who toured remote villages on horses and performed traditional Mongolian music and dances for nomadic families. The 54yearold was born in Tongliao, in eastern Inner Mongolia and joined the troupe in says there are 74 branch troupes across Inner Mongolia and actors give around 100 shows every year to local nomadic people. I can still recall the days when I toured with the troupe in the early 39。80s. We sat on the back of pickup trucks for hours. The sky was blue, and we couldn39。t help but sing the folk songs, Nasun says. The vastness of Inner Mongolia and the lack of entertainment options for people living there, made their lives lonely. The nomadic people were very excited about our visits, Nasun recalls. We didn39。t have a formal stage. The audience just sat on the grass. Usually, the performances became a big party with local people joining in. For him, the rewarding part about touring isn39。t just about sharing art with nomadic families but also about gaining inspiration for the music and dance. Ulan Muqir literally translates as red burgeon, and today39。s performers of the troupe still tour the region39。s villages and entertain nomadic families, but their fame has spread around the world. On May 16 and 17, nearly 100 singers and dancers from the troupe performed at Beijing39。s Poly Theater. Their show, titled Ulan Muqir on the Grassland, depicted the history and development of the art troupe. Being from the region allowed me to embrace the culture of Inner Mongolia and being a member of the troupe showed me where I belonged, Nasun, the art troupe39。s president, who is also a renowned tenor, tells China Daily. During a tour in 1985, he went to a village and met an elderly local man, who told him a story about his friendship with a solider from Shenyang, capital of Northeast China39。s Liaoning province, decades ago. The solider gave the old man a handmade saddle when they bid farewell. The story inspired Nasun to write Carved Saddle, a song that later became one of his most popular numbers. Now, every year, Nasun recruits young singers and dancers for the troupe. The troupe has also designed a new repertoire, which is mostly based on the daily lives of Mongolian people, especially the lives of nomadic families, and has bined contemporary musical elements with folk songs of the region. Haimu, a 25yearold khoomei (a local variant of overtone singing) singer, joined the troupe three years ago. Along with a sixmember band, he performs fast songs and soft ones that he writes－ all while playing the horsehead fiddle.Although I learned the piano since childhood and grew up listening to various kinds of music, to me, the folk music of Inner Mongolia is the root, he says. Performing in remote villages is pleasant. I feel at home on the boundless grasslands, and the warm people there make me feel fulfilled. The first round of spring auction season in Beijing ended last week, but it failed to create much spring in the art market. Although two pieces of Chinese painting fetched more than 100 million yuan, the decline in trading volume and sa le rate showed a downturn this year. In the ―Grand View: Chinese Painting Highlight‖ session at China Guardian 2022 spring auctions, Pan Tianshou’s representative work Eagle, Rock and Flora hit a record auction price of 279 million yuan, while Li Keran’s masterwork Jinggang Mountain fetched million yuan, an unexpected high in recent years. However, the trading volume fells to billion yuan from billion yuan in the same period the year before. The Huangchen 2022 Spring Auctions, which recorded million yuan in total sales, exper