【正文】 s to e and recapping the key points. This device, not used in the original, is culturally understandable but artistically mediocre. What puzzles me is the two new songs for the opening and end credits. They were written in English, but sung by Chinese with an unfortable accent. They were obviously designed to appeal to an Englishspeaking base, but do not jibe with the Chinese dialogue. Speaking of the dialogue, the English translation, picked apart by some Chinese, is too literal for my taste. I can imagine a typical American hit by a flurry of royal ranks, addresses and greetings, even multiple names and titles for the same person. The first half hour must be a swamp to wade through, very much like my experience of getting through a Tolstoy tome with its endless inflections of names transliterated into lengthy Chinese. I see the choice of verbatim translation as an effort for conveying exotica. It is fairly petent, with no error that I could detect, but fails to rise above words or capture the essence of the language. A cultural product usually crosses over to a foreign territory first by an emphasis on the monalities. But whether inside or outside China, the temptation to sell it for the differences is just too great. Sure, the sumptuous sets and costumes are a big attraction, but the narrative technique has bee－ how shall I put it?－ a bit anglicized, which is necessary for cultural export. Judging by the responses, this legend, which, contrary to the claim of the English trailer, is totally fictitious, has departed from China but not yet landed on American shores. I am a big fan of Ralph Waldo Emerson39。但我懂得在以后的工作中要全面考慮事情，不能急于求成。例如：將被動(dòng)紅外入侵探測(cè)器對(duì)著空調(diào)、換氣扇安裝時(shí)，將會(huì)引起系統(tǒng)的誤報(bào)警；室外用主動(dòng)紅外探測(cè)器如果不作適當(dāng)?shù)恼陉?yáng)防護(hù) (有遮陽(yáng)罩的最好也作防護(hù) )，勢(shì)必會(huì)引起系統(tǒng)的誤報(bào)警；報(bào)警線路與動(dòng)力線、照明線等強(qiáng)電線路間距小于 時(shí)，而未加防電磁干擾措施，系統(tǒng)亦將產(chǎn)生誤報(bào)警。用相同方法反復(fù)調(diào)整其他幾對(duì)紅外收發(fā)管的位置和角度。這可以通過(guò)使 口每隔 1 秒取反一次實(shí)現(xiàn)。此脈沖信號(hào)驅(qū)動(dòng)聲光報(bào)警電路，直至斷開開關(guān) SW2。當(dāng) AT89S52 從外部程序存儲(chǔ)器執(zhí)行外部代碼時(shí)， PSEN 在每個(gè)機(jī)器周期被激活兩次，而在訪問(wèn)外部數(shù)據(jù)存儲(chǔ)器時(shí)， PSEN 將不被激活。作為輸入使用時(shí)，被外部拉低的引腳由于內(nèi)部電阻的原因，將輸出電流（ IIL）。在這種模式下， P0 具有內(nèi)部上拉電阻。 P1 口連接紅外線發(fā)射電路， P1 口為低電平時(shí)，紅外線發(fā)射電路導(dǎo)通，正常發(fā)射紅外線 [10]。紅外報(bào)警器大多數(shù)采用國(guó)外的先進(jìn)技術(shù) ,其功能也非常先進(jìn)。通常，發(fā)射裝置由多諧振蕩器、波形變換電路、紅外發(fā)光管及光學(xué)透鏡等組成。 III 目 錄 前言 ………………………………………………………………………… 1 1 報(bào)警器的意義及前景… ……………………………………………………… 2 課題研究的意義…………………………………………………………… 2 課題研究的目的…………………………………………………………… 3 紅外線防盜報(bào)警器的發(fā)展前景…………………………………………… 3 2 系統(tǒng)總體設(shè)計(jì)方案 ……………………………………………………………… 5 3 硬件電路各部分電路設(shè)計(jì) ……………………………………………………… 7 單片機(jī)控制系統(tǒng)電路……………………………………………………… 7 主控芯片的性能以及標(biāo)準(zhǔn)功能………………………………………… 7 主控芯片的主要結(jié)構(gòu)及引腳功能……………………………………… 8 單片機(jī)控制部分電路………………………………………………… 10 紅外線發(fā)射部分………………………………………………………… 11 紅外線接收部分………………………………………………………… 12 聲 光報(bào)警電路…………………………………………………………… 13 電源電路………………………………………………………………… 14 系統(tǒng)總體電路…………………………………………………………… 15 4 紅外線防盜報(bào)警器的軟件設(shè)計(jì) ……………………………………………… 16 系統(tǒng)的主流程…………………………………………………………… 16 系統(tǒng)的匯編語(yǔ)言程序…………………………………………………… 17 5 系統(tǒng)的調(diào)試及性能分析 ……………………………………………… …… … 20 系統(tǒng)的調(diào)試……………………………………………………………… 20 紅外線防盜報(bào)警器系統(tǒng)的性能分析…………………………………… 20 6 報(bào)警器誤報(bào)及處理意見(jiàn) ………………………………………………… …… 21 故障引起的誤報(bào)及處理意見(jiàn)…………………………………………… 21 安裝引起的誤報(bào)及處理意見(jiàn)…………………………………………… 21 環(huán)境引起的誤報(bào)及處理意見(jiàn)…………………………………………… 21 總結(jié) ………………………………………………………………………… 22 謝 辭 ………………………………………………………………………… 23 參考文獻(xiàn) ………………………………………………………………………… 24 1 前言 隨著社會(huì)的發(fā)展，農(nóng)村城鎮(zhèn)化和人員流動(dòng)性增大，社會(huì)治安狀況更趨復(fù)雜，因此作為社會(huì)的基本單元 —— 家庭的防范問(wèn)題就顯得尤為重要。各種高檔家電產(chǎn)品和貴重物品為許多家庭所擁有。 personal and property safety. Because infrared is not exposed to light, has strong confidentiality and secrecy, therefore in security, alert security device has been widely used, through the infrared transmitting and receiving system for sensing whether someone is breaking into, if the detected someone broke in, then the system will send out alarm sound and light alarm circuit sounds to the people to remind. The system based on singlechip AT89S52 series as the core, using the infrared emission tube and the infrared receiving tube for transmitting and receiving device, by an inverter inverting indirect control CPU chip. In the CPU program to run after the control of output level makes the buzzer and the light emitting diode prising an acoustooptic alarm circuit at the same time the sound and light alarm. And through the single chip microputer system to sound and light alarm circuit sends out signals to alarm, the purpose of. This paper has introduced the infrared antitheft alarm significance, development background, development prospects, system basic circuit structure and the software system design. .Keywords:Power Circuit。紅外線報(bào)警器對(duì)溫度敏感，溫度越高的物體輻射出的紅外線越 強(qiáng)，當(dāng)感應(yīng)到環(huán)境中存在高出背景強(qiáng)度的輻射時(shí) ,就觸發(fā)報(bào)警。因此，越來(lái)越多的居民家庭對(duì)財(cái)產(chǎn)安全問(wèn)題十分擔(dān)憂。系統(tǒng)原理框圖如圖 21 所示。作為輸出口，每位能驅(qū)動(dòng) 8 個(gè) TTL 邏輯電平。 在 flash 編程和校驗(yàn)時(shí)， P2 口也接收高 8 位地址字節(jié)和一些控制信號(hào)。否則， ALE 將被微弱拉高。 12 圖 32 紅外線發(fā)射電 路圖 紅外線接收部分 紅外線接收電路主要由 D1~D6 六個(gè)紅外線接收二極管組成，主要功能是用來(lái)接收 D7~D12 發(fā)射的紅外線，正常情況下能夠成功接收，如果有人闖入，中斷紅外線，將接受不到紅外線，此時(shí)判斷為應(yīng)當(dāng)報(bào)警，由單片機(jī)控制報(bào)警。軟件設(shè)計(jì)的好壞也直接決定了系統(tǒng)的運(yùn)行質(zhì)量，在編寫軟件之前，對(duì)系統(tǒng)的流程進(jìn)行設(shè)計(jì)是十分必要的，這樣可以保證在編寫軟件時(shí)思路清晰，不易出錯(cuò)，修改也變得容易。斷開負(fù)載．用萬(wàn)用表測(cè)量 78L05的 3腳應(yīng)有 +5v電壓。 無(wú)論是損壞性故障還是漂移性故障都將使系統(tǒng)誤報(bào)警，要減少由此產(chǎn)生的誤報(bào)警必須提高產(chǎn)品的設(shè)計(jì)水平和工藝水平，在作系統(tǒng)設(shè)計(jì)的同時(shí)，還需作可行性設(shè)計(jì)，如冗余設(shè)計(jì)、三防設(shè)計(jì) (防潮、防鹽霧、防霉菌 )等。其次，本人要感謝自己的所有任課老師，感謝他們?cè)诖髮W(xué)四年里的關(guān)心和培養(yǎng)，并使本人掌握了高深的專業(yè)知識(shí)和熟練的專業(yè)技能。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 childh