【正文】 s Patent 5442592 Abstract: An ult rasoni c distance met r cancels out the efects of temperat ure and humidty var iat ons by including a measuri ng unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 pop psw 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ul trasonric distance meteDocument Type and Number:Uni ted States Patent 5442592 Abstract:An ult rasoni c distance met r cancels out the efects of temperat ure and humidty var iat ons by including a measuri ng uni t and a refe挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 reti 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultr asonri c distance met Document Type and Number: United Staes Patent 5442592 Abstr act :An ul trasonic dist ance met er cancel s out the ef ect s of temperatur e and humidity variations by i ncl udi ng a measur ing unit and a ref挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 right: ...。 pin to 0, ranging from right to interrupt service routine circuit 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultrasonric di stance met Document Type and Number: United Staes Patent 5442592 Abstr act :An ul trasonic dist ance met er cancel s out he ef ect s of temperatur e and humidity variat ions by i ncl udi ng a measur ing unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 jnb , left。 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultr asonri c distance met Document Type and Number :United Staes Pat ent 5442592 Abstr act :An ultrasonic distance meter cancels out the ef fects of temper ature and humi dity variations by including a measuring unit and a ref e挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 ret 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultr asonri c distance met Document Type and Number :United Staes Pat ent 5442592 Abstr act :An ultrasonic distance meter cancels out the ef fects of temper ature and humi dity variations by including a measuring unit and a ref e挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 Ranging in front of singlechip termination circuit input port, single chip implementation of the above procedure, the port in a 40kHz pulse output signal, after amplification transistor T, the drive to launch the first ultrasonic UCM40T, issued 40kHz ultrasonic pulse, and the continued launch of 200ms. Ranging the right and the left side of the circuit, respectively, then input port and , the working principle and circuit in front of the same location. 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultrasonri c distance met Document Type and Number: United Staes Patent 5442592 Abstr act :An ul trasonic dist ance met er cancel s out he ef ect s of temperatur e and humidity variat ions by i ncl udi ng a measur ing unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 2, reception and processing of ultrasonic 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultrasonri c di stance met Document Type and Number: United Staes Patent 5442592 Abstr act :An ul trasonic dist ance met er cancel s out he ef ect s of temperatur e and humidity variat ions by i ncl udi ng a measur ing unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 Used to receive the first launch of the first pair UCM40R, the ultrasonic pulse modulation signal into an alternating voltage, the opamp amplification IC1A and after polarization IC1B to IC2. IC2 is locked loop with audio decoder chip LM567, internal voltagecontrolled oscillator center frequency of f0 = 1/, capacitor C4 determine their target bandwidth. R8conditioning in the launch of the carrier frequency on the LM567 input signal is greater than 25mV, the output from the high jump 8 feet into a lowlevel, as interrupt request signals to the singlechip processing. 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ult rasonr ic distance met eDocument Type and Number:Unit ed States Patent 5442592 Abst ract: An ultr asonic di stance m et er cancels out the efects of temperat ure and humidty vari ati ons by including a measuri ng uni t and a refe挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 Ranging in front of singlechip termination circuit output port INT0 interrupt the highest priority, right or left location of the output circuit with output gate IC3A access INT1 port singlechip, while singlechip and P1. 4 received input IC3A, interrupted by the process to identify the source of inquiry to deal with, interrupt priority level for the first left right after. Part of the source code is as follows: 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultrasonric di stance meteDocument Type and Number:Uni ted St ates Patent 5442592 Abstract: An ult rasoni c distance met r cancels out the efects of temperat ure and humidity var iat ions by including a measuri ng unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 receive1: push psw 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ult rasonr ic dist ance met eDocument Type and Number :United States Patent 5442592 Abst ract:An ultr asonic di stance meter cancels out the ef fects of t emper ature and humi dit y variations by including a measuring unit and a ref e挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽 品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 push acc 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ult rasonr ic distance met eDocument Type and Number:Unit ed States Patent 5442592 Abstract:An ultr asonic di stance metr cancels out the efects of t emper ature and humidt y vari ations by including a measuring unit and a refe挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞傷叉鷗敢矽品泵贓莖鞋奮籽孜崔毒潮綜蛹羚債勤唉沈溫溺屋 clr ex1。 基于 AT89S52單片機(jī)的超聲波測(cè)距設(shè)計(jì)的外文翻譯 1外文資料原文 Ultrasonric di stance met Document Type and Number:Uni ted St ates Patent 5442592 Abstract: An ult rasonic dist ance met er cancels out t he ef cts of temperature and humidity var iat ions by includi ng a measur ing unit and a r ef挪祭較炊奏獎(jiǎng)迂持狀砷亭另瘍臣車(chē)坍博愚惡哦綻例桐揀癡麻窮殘托夢(mèng)理甸俺措倘拉飼亞