Taking the high precision on chip RTC as the time base control unit and using genetic algorithms to search the best OSCCAL register value, it will make the on chip RC oscillator generate a high precision clock for the MCU. This methord can be used fast and real time, so the CPU will get a stable clock source.

以AVR片內(nèi)高精度時(shí)鐘單元RTC為時(shí)基控制單元，以標(biāo)準(zhǔn)時(shí)間內(nèi)MCU定時(shí)器的計(jì)數(shù)值為控制目標(biāo)日韩欧美精，采用遺傳控制策略搜索對(duì)應(yīng)MCU理想時(shí)鐘頻率的OSCCAL寄存器最佳設(shè)置值超爽巨色A片，快速、準(zhǔn)確地對(duì)RC振蕩頻率進(jìn)行校準(zhǔn)免费人成又黄又爽的黄视频，為CPU提供具有高抗干擾特性的精確時(shí)鐘黄色视频美女。

In order to overcome those limitations, and on the premise that the receiver can measure the pseudo-range between the user and satellite and with the help of barometer, this paper put forward the pseudo-range integration model of RDSS and the strap-down inertial navigation system with high precision clock, rubidium clock being the internal clock of the RDSS receiver.

基于北斗雙星定位系統(tǒng)采用有源定位體制存在一定的局限性，在接收機(jī)能夠測(cè)量用戶至衛(wèi)星的偽距信號(hào)以及在氣壓高度表輔助的前提下jiujiure综合网，提出了利用銣鐘作為接收機(jī)內(nèi)部時(shí)鐘的RDSS與捷聯(lián)慣導(dǎo)進(jìn)行偽距組合的模型国产黄色网站在线免费，建立其卡爾曼濾波的狀態(tài)方程與量測(cè)方程。

A clock at the level of micro second has beendeveloped by using the microcomputer's clock pulse signal. With this high precision clock, the error of measuring twisting moment can be less than 1％ and the error of measuring rotation velocity less than 1‰.

利用微機(jī)的時(shí)鐘脈沖研制出一種精度達(dá)微秒級(jí)的時(shí)鐘丁香婷婷在线，用此時(shí)鐘測(cè)量扭矩的誤差小于1％97资源人人操，測(cè)量的轉(zhuǎn)速誤差小于1‰。

MAX1999EEI Pinout: 8- to 32-bit and 16- to 32-bit word packing options Programmable wait state options: 2 to 31 CCLK Digital audio interface includes six serial ports, two pre- cision clock generators, an input data port, three programmable timers and a signal routing unit Serial ports provide: Six dual data line serial ports that operate at up to 50 Mbits/s for a 200 MHz core on each data line each has a clock, frame sync, and two data lines that can be configured as either a receiver or transmitter pair Left-justified sample pair and I2S support, programmable direction for up to 24 simultaneous receive or transmit channels using two I2S compatible stereo devices per serial port TDM support for telecommunications interfaces including 128 TDM channel support for telephony interfaces such as H.100/H.110 Up to 12 TDM stream support, each with 128 channels per frame Companding selection on a per channel basis in TDM mode Input data port provides an additional input path to the DSP core configurable as either eight channels of I2S or serial data or as seven channels plus a single 20-bit wide syn- chronous parallel data acquisition port Supports receive audio channel data in I2S, left-justified sample pair, or right-justified mode Signal routing unit provides configurable and flexible connections between all DAI components, six serial ports, an input data port, two precision clock generators, three timers, 10 interrupts, six flag inputs, six flag outputs, and 20 SRU I/O pins Serial peripheral interface Master or slave serial boot through SPI Full-duplex operation Master-slave mode multimaster support Open drain outputs Programmable baud rates, clock polarities, and phases 3 Muxed Flag/IRQ lines 1 Muxed Flag/Timer expired line ROM based security features: JTAG access to memory permitted with a 64-bit key Protected memory regions that can be assigned to limit access under program control to sensitive code PLL has a wide variety of software and hardware multi- plier/divider ratios JTAG background telemetry for enhanced emulation features IEEE 1149.1 JTAG standard test access port and on-chip emulation Dual voltage: 3.3 V I/O, 1.2 V core Available in 136-ball BGA and 144-lead LQFP packages Lead free packages are also available

MAX1999EEI引腳說明： 8 - 32位和16 - 32位字包裝選擇可編程等待狀態(tài)的選擇：2至31個(gè)CCLK數(shù)字音頻接口包括6個(gè)串行端口欧美性爱导航，兩個(gè)前643時(shí)鐘發(fā)生器欧美性爱天天干，輸入數(shù)據(jù)端口， 3可編程定時(shí)器和一個(gè)信號(hào)路由單元串行端口提供：六雙串口數(shù)據(jù)線亚洲不在线观看，在高達(dá)50 Mbps的操作/為200兆赫的每個(gè)數(shù)據(jù)行每個(gè)人都有一個(gè)時(shí)鐘，幀同步的核心秒大淫屌，和兩個(gè)數(shù)據(jù)可以作為任何一個(gè)接收器或發(fā)射器對(duì)左對(duì)齊和I2S配對(duì)樣本的支持下女人被男人做到高潮视频，最多可同時(shí)接收或傳送24個(gè)頻道，每使用兩個(gè)系列的I2S兼容立體聲設(shè)備配置可編程方向線查女人被操逼的黄片视频；港口的TDM通信接口欧美性情A片，包括支持128個(gè)電話接口的TDM的渠道，如H.100/H.110支持多達(dá)12個(gè)的TDM流的支持下亚洲免费一区手机视频，每幀128個(gè)頻道每個(gè)壓縮擴(kuò)展每通道的基礎(chǔ)上選擇在TDM模式輸入數(shù)據(jù)端口提供了一個(gè)額外的輸入路徑的DSP核心配置為I2S或串行數(shù)據(jù)或7加一個(gè)20位寬的SYN -異步的并行數(shù)據(jù)采集接口通道或8通道三级韩国网站；支持接收通道I2S音頻數(shù)據(jù)，左對(duì)齊樣本對(duì)国产美女一级A片在线播放蜜芽，或右對(duì)齊模式信號(hào)路由單元組件之間提供所有戴配置和靈活的連接亚洲色诱99久久66J8，6個(gè)串行端口，一個(gè)輸入數(shù)據(jù)端口久久久www黄页免费网站，兩個(gè)精密時(shí)鐘發(fā)生器日韩小草在线，3個(gè)定時(shí)器欧美黄色电影在线看，10個(gè)中斷，六旗投入夜综合日韩中文字幕，產(chǎn)出6個(gè)旗在线观看国产技师自拍网站，20曼谷南南區(qū)域股的I / O管腳串行外設(shè)接口的碩士或奴隸通過SPI串行啟動(dòng)全雙工運(yùn)作主從模式多主機(jī)支持開漏輸出可編程波特率，時(shí)鐘極性和第三期合并調(diào)制旗/ IRQ線路1合并調(diào)制旗/定時(shí)器過期線光盤的防偽特征：JTAG的訪問與64位受保護(hù)的關(guān)鍵允許內(nèi)存內(nèi)存可分配給程序訪問控制的限制下對(duì)敏感地區(qū)有一個(gè)代碼鎖相環(huán)/遙測(cè)分比率為背景的JTAG仿真功能增強(qiáng)的IEEE 1149.1 JTAG標(biāo)準(zhǔn)測(cè)試訪問端口的軟件和硬件多鉗各種各樣和片上仿真雙電壓：3.3六/輸出久久最新视频，可在1.2 V核心136球BGA封裝和144引腳LQFP封裝無鉛封裝无码一级色欲，也可

TDA4864 Pinout: 8- to 32-bit and 16- to 32-bit word packing options Programmable wait state options: 2 to 31 CCLK Digital audio interface includes six serial ports, two pre- cision clock generators, an input data port, three programmable timers and a signal routing unit Serial ports provide: Six dual data line serial ports that operate at up to 50 Mbits/s for a 200 MHz core on each data line each has a clock, frame sync, and two data lines that can be configured as either a receiver or transmitter pair Left-justified sample pair and I2S support, programmable direction for up to 24 simultaneous receive or transmit channels using two I2S compatible stereo devices per serial port TDM support for telecommunications interfaces including 128 TDM channel support for telephony interfaces such as H.100/H.110 Up to 12 TDM stream support, each with 128 channels per frame Companding selection on a per channel basis in TDM mode Input data port provides an additional input path to the DSP core configurable as either eight channels of I2S or serial data or as seven channels plus a single 20-bit wide syn- chronous parallel data acquisition port Supports receive audio channel data in I2S, left-justified sample pair, or right-justified mode Signal routing unit provides configurable and flexible connections between all DAI components, six serial ports, an input data port, two precision clock generators, three timers, 10 interrupts, six flag inputs, six flag outputs, and 20 SRU I/O pins Serial peripheral interface Master or slave serial boot through SPI Full-duplex operation Master-slave mode multimaster support Open drain outputs Programmable baud rates, clock polarities, and phases 3 Muxed Flag/IRQ lines 1 Muxed Flag/Timer expired line ROM based security features: JTAG access to memory permitted with a 64-bit key Protected memory regions that can be assigned to limit access under program control to sensitive code PLL has a wide variety of software and hardware multi- plier/divider ratios JTAG background telemetry for enhanced emulation features IEEE 1149.1 JTAG standard test access port and on-chip emulation Dual voltage: 3.3 V I/O, 1.2 V core Available in 136-ball BGA and 144-lead LQFP packages Lead free packages are also available

TDA4864引腳說明： 8 - 32位和16 - 32位字包裝選擇可編程等待狀態(tài)的選擇：2至31個(gè)CCLK數(shù)字音頻接口包括6個(gè)串行端口，兩個(gè)前643時(shí)鐘發(fā)生器人人干在线视频，輸入數(shù)據(jù)端口精品视频在视， 3可編程定時(shí)器和一個(gè)信號(hào)路由單元串行端口提供：六雙串口數(shù)據(jù)線，在高達(dá)50 Mbps的操作/為200兆赫的每個(gè)數(shù)據(jù)行每個(gè)人都有一個(gè)時(shí)鐘超碰潮喷，幀同步的核心秒2019手机视频中文字幕在线观看，和兩個(gè)數(shù)據(jù)可以作為任何一個(gè)接收器或發(fā)射器對(duì)左對(duì)齊和I2S樣本對(duì)支持，最多可同時(shí)接收或傳送24個(gè)頻道欧美A色爱综合欧美Ⅴ，每使用兩個(gè)系列的I2S兼容立體聲設(shè)備配置可編程方向線美女黄片子；港口的TDM通信接口，包括支持128個(gè)電話接口的TDM的渠道久久夜色精品国产60，如H.100/H.110支持多達(dá)12個(gè)的TDM流的支持下国产一级在线和观看，每幀128個(gè)頻道每個(gè)壓縮擴(kuò)展每通道的基礎(chǔ)上選擇在TDM模式輸入數(shù)據(jù)端口提供了一個(gè)額外的輸入路徑的DSP核心配置為I2S或串行數(shù)據(jù)或7加一個(gè)20位寬的SYN -異步的并行數(shù)據(jù)采集接口通道或8通道；支持接收通道I2S音頻數(shù)據(jù)黄色视频无码高清，左對(duì)齊樣本對(duì)狂操老女人逼黄色一级视频，或右對(duì)齊模式信號(hào)路由單元組件之間提供所有戴配置和靈活的連接，6個(gè)串行端口极品孕妇无码视频在线第一页，一個(gè)輸入數(shù)據(jù)端口国产在线91。，兩個(gè)精密時(shí)鐘發(fā)生器，3個(gè)定時(shí)器中文视频在线你懂的，10個(gè)中斷hs网站，六旗投入，產(chǎn)出6個(gè)旗久久精品超碰，20曼谷南南區(qū)域股的I / O管腳串行外設(shè)接口的碩士或奴隸通過SPI串行啟動(dòng)全雙工運(yùn)作主從模式多主機(jī)支持開漏輸出可編程波特率十八岁禁看网站，時(shí)鐘極性和第三期合并調(diào)制旗/ IRQ線路1合并調(diào)制旗/定時(shí)器過期線光盤的防偽特征：JTAG的訪問與64位受保護(hù)的關(guān)鍵允許內(nèi)存內(nèi)存可分配給程序訪問控制的限制下對(duì)敏感地區(qū)有一個(gè)代碼鎖相環(huán)/分比率背景遙測(cè)的JTAG仿真功能增強(qiáng)的IEEE 1149.1 JTAG標(biāo)準(zhǔn)測(cè)試訪問端口軟件和硬件多鉗各種各樣和片上仿真雙電壓：3.3六/輸出，可在1.2 V核心136球BGA封裝和144引腳LQFP封裝無鉛封裝欧美国产综合，也可

This paper introduces the application of the high precision clock of GPS in the positioning system, including the synchronization in wireless communication link and in time-measurement of acoustic signal.

本文介紹了GPS高精度時(shí)鐘在定位系統(tǒng)中的應(yīng)用国产精品免费-区二区三区，包括對(duì)無線通信鏈路的同步和水聲信號(hào)時(shí)間測(cè)量的同步。

C51 precise timing to achieve the time, doing precision clock software debugging is very important.

詳細(xì)說明： c51中實(shí)現(xiàn)時(shí)間的精確定時(shí)国产日韩欧美在线电影院日本黄色网站，在做精確時(shí)鐘的軟件調(diào)試中很重要一级特黄特色的免费大片观看。

First,the theory of the IEEE1588(Precision clock synchronization protocol)is expounded,and then a study of the real synchronization system is discussed.

同時(shí)根據(jù)對(duì)實(shí)際同步系統(tǒng)測(cè)試結(jié)果的分析，提出了同步系統(tǒng)中影響同步精度的幾個(gè)主要因素。采用系統(tǒng)晶振補(bǔ)償和O ffsetTime濾波的方法對(duì)系統(tǒng)進(jìn)行了完善一线极品白馒头自慰喷水，并進(jìn)一步進(jìn)行了測(cè)試japan黄片在线看。

User-friendliness and performance are dramatically improved with the introduction of NTP protocol and high precision clock.

引入NTP協(xié)議和高精度時(shí)鐘，大幅度提高了用戶友好性和工作性能中国一级黄片在线。

Provided by the use of IGS precise ephemeris and precision clock bad, you can achieve high-precision positioning and orbit determination, which makes GPS in determining the satellite orbit to monitor the ionosphere and troposphere in the job to play an increasingly important role.

利用IGS提供的精密星歷和精密鐘差免费视频精品，可以實(shí)現(xiàn)高精度定位和定軌，這使得GPS在確定衛(wèi)星軌道亚洲第页、監(jiān)測(cè)電離層和對(duì)流層中的工作中發(fā)揮了舉足輕重的作用淫荡淫乱一级黄色电影网址。