gyrocompass kalman filter for marine navigation

{"cid":"91223334","title":"Gyrocompass Kalman Filter Universal Fiber-optic Inertial Navigation System","imgUrl":"https:\/\/img.chinax.com\/nimg\/de\/20\/7dd5601c29ccd23a13329e3fec97-200x200-1.jpg","attrs":{"Brand Name":"Star & Inertia Technology","Model Number":"TYF61A","Minimum Order Quantity":"1 set","Delivery Time":"30 work days","Place of Origin":"China","Supply Ability":"500 sets per year","Accelerometer\/Months Bias Repeatability\uff081\u03c3\uff09":"\u226450\u03bcg","Accelerometer\/Months Scale Factor Accuracy\uff081\u03c3\uff09":"\u226450ppm","Gyro\/Bias Repeatability\uff081\u03c3\uff09":"0.02\u00b0\/hr~0.01\u00b0\/hr","Gyro\/Scale Factor Accuracy\uff081\u03c3\uff09":"\u226450ppm","Gyro\/Random walk\uff081\u03c3\uff09":"\u22640.005\u00b0\/\u221ahr,1\u03c3","Angular Rate":"\u2265\u00b1400\u00b0\/sec","Angular Acceleration":"100000\u00b0\/sec2","Acceleration":"\uff1e25g","Angular Attitude":"Any Orientation","Speed \u200b\u200baccuracy":"\u22643.0kn","Startup time":"\u226410sec","Input\/output":"3 RS422 full-duplex serial ports, 1 100M Ethernet port","Alignment time":"\u226415min","Position accuracy\/Pure inertia":"\u22644nm\/1h","Position accuracy\/Inertia\/DVL Combination":"\u22640.6%D","AHRS Applications Performance\/Heading Accuracy":"\u22640.2\u00b0sec(L)","AHRS Applications Performance\/Pitch & Roll Accuracy":"\u22640.04\u00b0","Power consumption":"\uff1c15W","Dimensions":"110\u00d7110\u00d7100mm","Weight":"\uff1c1.7kg","Temperature":"-40\u2103~60\u2103","Shock":"15g\uff0cHalf-sine wave 11ms","Input Voltage":"DC24V(\u00b125%)","cooling":"Conduction to mounting plate","Vibration":"20~2000Hz,6.06g","MTBF":"\uff1e20000 hours"}}

{"cid":"91224988","title":"Fiber Optic Gyro Inertial Navigation System For Aircraft And Marine Navigation SI-FINS88S","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/37\/0519b57120f1d547015a030ebe37-200x200-1.jpg","attrs":{"Brand Name":"SI","Model Number":"SI-FINS88S","Minimum Order Quantity":"1set","Delivery Time":"6-8 weeks","Payment Terms":"D\/A,L\/C,D\/P,T\/T,Western Union","Pitch and roll":"\u22640.01\u00b0 (1\u03c3)","Productname":"Fiber Optic Inertial Navigation System","Application fields":"Aerospace, Marine, Land Vehicles","Heading":"\u22640.05\u00b0 (1\u03c3)","Bias Stability":"\u22640.15\u00b0\/h","Navigationtype":"Inertial Navigation","Updaterate":"Real-time"}}