RT-PPP鏄熷熀鏈嶅姟鏈€鏂版眹鎬

鎵€灞炲垎绫伙細琛屼笟鏂伴椈

2025-01-21

PPP鏈€鏃╃敱缇庡浗鍠锋皵鎺ㄨ繘瀹為獙瀹わ紙Jet Propulsion Laboratory锛孞PL锛夌殑Zumberge绛変汉鐜囧厛鎻愬嚭锛屽畠鏄寚鍒╃敤楂樼簿搴﹀崼鏄熼挓宸拰杞ㄩ亾浜у搧锛屽湪淇鍚勭璇樊鏀规鍚庯紝閲囩敤鏈€灏忎簩涔樸€佸崱灏旀浖婊ゆ尝绛夋柟娉曪紝閫氳繃鍗曞彴鍏ㄧ悆鍗槦瀵艰埅绯荤粺锛坓lobal navigation satellite system锛孏NSS锛夋帴鏀舵満鐨勮浇娉㈢浉浣嶅拰浼窛瑙傛祴鍊艰幏鍙栭珮绮惧害鐨勫浗闄呭湴鐞冨弬鑰冩鏋讹紙international terrestrial reference frame锛孖TRF锛変笅鐨勪笁缁村潗鏍囩殑鎶€鏈€俁TPPP鐨勫疄鐜伴渶瑕佸疄鏃惰建閬撲骇鍝佸拰瀹炴椂閽熷樊浜у搧銆備负婊¤冻鐢ㄦ埛瀵瑰疄鏃禤PP鐨勮姹傦紝鍥介檯GNSS鏈嶅姟锛坕nternational GNSS service锛孖GS锛変簬2007骞村惎鍔↖GS瀹炴椂璇曠偣椤圭洰IGS RTPPP锛屽悇鏈烘瀯鍩轰簬NTRIP锛圢etworked transport of RTCM via internet protocol锛夐€氳繃浜掕仈缃戜互鐘舵€佺┖闂磋〃绀猴紙state space representation锛孲SR锛夌殑褰㈠紡鍚戝叏鐞冪敤鎴锋挱鍙戝疄鏃舵敼姝ｆ暟銆?013骞?鏈堬紝IGS瀹炴椂鏈嶅姟锛坮eal-time service锛孯TS锛夋寮忔彁渚涘疄鏃惰建閬撳拰瀹炴椂閽熷樊浜у搧銆傚悇鍒嗘瀽涓績瀹炴椂浼拌寰楀埌鍗槦杞ㄩ亾璇樊鍜屽崼鏄熼挓宸紝鍩轰簬NTRIP鍗忚閫氳繃缃戠粶鎾彂锛屾敞鍐岀敤鎴烽€氳繃缃戦檯浜掕繛鍗忚锛圛nternet protocol锛孖P锛夊拰绔彛瀹炴椂鎺ユ敹骞挎挱鏄熷巻銆佺簿瀵嗚建閬撱€侀挓宸敼姝ｆ暟鍗冲彲鎭㈠瀹炴椂杞ㄩ亾鍜岄挓宸€侟/p>

浠ュ崼鏄熷鑸郴缁熸彁渚汸PP鏈嶅姟鐨勶紝鏈夋棩鏈殑鍑嗗ぉ椤跺崼鏄熺郴缁燂紙quasi-zenith satellite system锛孮ZSS锛夈€丅DS銆丟alileo绯荤粺銆俀ZSS绯荤粺鐨凩6淇″彿鍖呭惈L6D鍜孡6E锛孡6D涓烘棩鏈湰鍦熸彁渚涘帢绫崇骇澧炲己鏈嶅姟锛坈entimeter level augmentation service锛孋LAS锛夛紝L6E涓篞ZSS鍗槦瑕嗙洊鑼冨洿鎻愪緵骞垮煙鍘樼背绾у寮哄疄楠岀殑楠岃瘉銆侟/p>

Galileo绯荤粺鐨凟6B淇″彿閫氳繃MEO鍗槦鎾彂锛屼负鍏ㄧ悆鍖哄煙鎻愪緵PPP鏈嶅姟[28]銆備冀鍒╃暐鐨凱PP鏈嶅姟閲囩敤high-parity vertical reed-solomon锛圚PVRS锛夋柟妗堬紝鍥犳绉颁綔Galileo绯荤粺鐨凥AS鏈嶅姟锛屽叾鏃ㄥ湪涓哄叏鐞冪敤鎴锋彁渚涙槦鍩虹簿瀵嗗崟鐐瑰畾浣嶏紙PPP锛夋湇鍔°€傝嚜2023骞?鏈?4鏃ヨ捣锛屼冀鍒╃暐姝ｅ紡鎻愪緵鍒濆鏈嶅姟銆侟/p>

鍖楁枟鍗槦瀵艰埅绯荤粺锛圔eiDou navigation satellite system锛孊DS锛夋槸涓浗鑷富寤鸿鐨勫叏鐞冨崼鏄熷鑸畾浣嶇郴缁燂紝鍙彁渚涙棤绾跨數鍗槦瀵艰埅鏈嶅姟锛坮adio navigation satellite service锛孯NSS锛夈€佺簿瀵嗗崟鐐瑰畾浣嶏紙precise point positioning锛孭PP锛夋湇鍔＄瓑銆?019-12-27锛屼腑鍥藉崼鏄熷鑸郴缁熺鐞嗗姙鍏鍏紑浜嗙敤浜嶳NSS鏈嶅姟鐨凚2b淇″彿鍜岀敤浜嶱PP鏈嶅姟鐨凱PP-B2b淇″彿銆?020骞?鏈?1鏃ワ紝鍖楁枟涓夊彿锛圔DS-3锛夊甯冨叏闈㈢粍缃戝畬鎴?BDS-3鍦扮悆鍚屾杞ㄩ亾鍗槦浠2b淇″彿涓烘挱鍙戦€氶亾锛屽悜鐢ㄦ埛鎾彂鍗槦杞ㄩ亾鏀规鏁般€侀挓宸敼姝ｆ暟鍜岀爜鍋忓樊绛変俊鎭紝鍙悜涓浗鍙婂懆杈瑰湴鍖烘彁渚涘疄鏃剁殑绮惧瘑鍗曠偣瀹氫綅锛圥PP锛夋湇鍔★紝璇ヤ俊鍙疯绉颁负PPP-B2b淇″彿銆傜洰鍓嶏紝PPP-B2b宸茬粡鍏峰鍙戞挱鏈夋晥鍗槦涓篊19~C45锛圕31闄ゅ锛夊叡26棰桞DS-3鍗槦鐨勭簿瀵嗘敼姝ｇ數鏂囥€傛嵁璇勪及锛孊DS-3鐨凱PP姘村钩鍜屽瀭鐩寸簿搴﹀垎鍒紭浜?.3 m鍜?.5 m锛屾敹鏁涙椂闂村皬浜?0 min銆侟/p>

鏈€杩戯紝娆х┖灞€锛圗SA锛変篃鍦ㄥ畼缃戜笂浠ヨ〃鏍肩殑褰㈠紡缁欏嚭浜嗙洰鍓嶆敮鎸佷冀鍒╃暐HAS鏈嶅姟鐨勬帴鏀舵満绫诲瀷銆傝〃鏍间俊鎭寘鎷細鐢熶骇鍘傚晢锛屾帴鏀舵満妯＄粍锛屼富瑕佸簲鐢ㄥ満鏅紝浠ュ強鑾峰彇HAS鏀规鏁扮殑閫氶亾銆傝涓嬭〃銆侟/p>