33results about How to "Improve accurate measurements" patented technology

A non-contact method and apparatus for inspecting an object. At least one first image of the object on which an optical pattern is projected, taken from a first perspective is obtained. At least one second image of the object on which an optical pattern is projected, taken from a second perspective that is different to the first perspective is obtained. At least one common object feature in each of the at least one first and second images is then determined on the basis of an irregularity in the optical pattern as imaged in the at least one first and second images.

An apparatus for measuring density and pH value of serous fluid processed by wet flue gas desulfurization overcomes defects of the prior art that densimeters and pH value meters are apt to be blocked to result in shut-down of equipments and the like. The apparatus comprises a main pipeline, a densimeter, a pH value meter, a returning passage, connecting flanges and elbows of the returning passage. The main technical proposal is as follows: arranging branched pipes on the main pipeline; adopting the branched pipes to sequentially communicate with a butt clamp motor-operated valve, a diaphragm valve and a support cylinder so as to form a serous fluid circulation loop with the returning passage; arranging communicated wash tub pipes on side walls of the branched pipes and the support cylinder; communicating the densimeter with side walls of branched pipes; and arranging the pH value meter in the support cylinder. The apparatus has proper structure design, can ensure the normal work of the densimeter and the pH value meter in a range of pipeline flow-velocity allowable to the meters, and also can bring convenience for online flushing and maintenance. The apparatus distinctly enhances the accuracy of measured values of the serous fluid processed by wet flue gas desulfurization, thus being beneficial to the standard emission of desulfurized gas and the stability of equipment running, fundamentally eliminating the shut-down of desulfurization equipment and simultaneously prolonging the service life of meters.

The invention discloses an FPGA accelerator which realizes unloading and acceleration of a network test protocol in an FPGA by using an accelerator based on the FPGA, and task data does not need to be transmitted to a CPU (Central Processing Unit) for processing when being transmitted and received, so that the load of the CPU is reduced; the FPGA accelerator is high in data processing capacity, the full-bandwidth test requirement can be met, and high-precision measurement is achieved; meanwhile, an application program module in the equipment is built based on an Iperf protocol, and the Iperf protocol can be replaced based on test requirements, so that the expansibility is good; and due to the dynamic programmable characteristic of the FPGA accelerator, a corresponding test environment can be set up at any time according to needs, all operations are only execution of software instructions, hardware board cards do not need to be replaced, hardware connection relations do not need to be changed, and rapid positioning of faults is facilitated. The invention also discloses a network parameter measurement system and method and a readable storage medium, which have corresponding technical effects.

An ultrasonic flow meter (10) is equipped with a housing (12) through which a liquid flows, and a pair of detection units (16a, 16b) disposed on opposite ends of the housing (12) and including acoustic wave transmitting and receiving units (14) capable of transmitting and receiving acoustic wave signals. Vibration generating mechanisms (18a, 18b) having vibration generating bodies (52) arranged perpendicularly to the detection units (16a, 16b) are disposed on an outer circumferential side of the housing (12). In addition, when the flow rate of the liquid that flows through the housing (12) is measured, the vibration generating bodies (52) are energized and made to vibrate, such that gas bubbles, which adhere to cover members (36) in contact with the liquid and that cover the acoustic wave transmitting and receiving units (14), are removed by the vibrations.

The invention discloses an unmanned aerial vehicle flight control system and control method, and belongs to the technical field of unmanned aerial vehicle flight control. The unmanned aerial vehicle flight control system comprises an information processing module, a power module, an information acquisition module, a data communication module and a control end, the information processing module is connected with the power module, the information acquisition module and the data communication module and performs data transmission and control on the power module, the information acquisition module and the data communication module, and the power module provides flight power for an unmanned aerial vehicle. The information acquisition module acquires external environment information and unmanned aerial vehicle attitude data information, the data communication module is connected with the unmanned aerial vehicle and performs data communication with the control end, the control end performs remote control on the unmanned aerial vehicle, and the information processing module processes data according to the data of the information acquisition module. According to the invention, multiple types of information are collected, and high-reliability support is provided for automatic route planning; and the system can realize full-angle sensing, can avoid obstacles in time, can cope with navigation in narrow or channel environments on the two sides, and improves controllability and high applicability.

The invention discloses an apparatus used to scribe curves on the surface of the geologic structure deformation model, the test chamber is fixed on the operating console, the X direction traveler is mounted on the both sides of the operating console, and the sand hopper bracket is supported by the X direction traveler and could travel along it, the Y direction traveler is mounted on the sand hopper bracket, the leaking sand device is mounted on the Y direction traveler and could travel along it. The retaining bracket of leaking sand device is set on the Y direction traveler, the sliding rail is mounted on the retaining bracket by the mounting plate, the sand hopper is mounted on the rail via slide block and the vertical height could be adjusted by actuating device, and the open and close device is mounted in the inner of sand hopper. The up-down regulating device could take the sand hopper up and down via the up-down thong. The invention can prevent the model surface from damaging, draw canonical and pretty color grips simultaneously, and find the deforming location according to the displacement of sand after the deformation of test model. The invention improves the requirement for the accurate measurement of the finite strain and quantitative analysis. The apparatus is simple in structure and easy to use.

An apparatus for measuring the thickness of a unit cell according to the present invention is characterized by comprising: a plurality of transfer rollers which sequentially transfer unit cells and are arranged to be spaced apart from each other; and a thickness sensor at a fixed location which irradiates light in the path in which the unit cells move and calculates a time of the received light so as to measure a thickness of the unit cells. A method for measuring the thickness of a unit cell according to the present invention is characterized by comprising: a unit cell transfer step (S1) of transferring unit cells through a plurality of transfer rollers arranged to be spaced apart from each other; a distance measuring step (S2) of irradiating light on the upper surface of the unit cells through an upper thickness sensor, irradiating light on the lower surface of the unit cells through a lower thickness sensor, and calculating a light receiving time of the light so as to measure the distance between the upper thickness sensor and the upper surface of the unit cells and the distance between the lower thickness sensor and the lower surface of the unit cells, respectively; and a thickness calculation step (S3) of subtracting a distance measurement value between the upper thickness sensor and the upper surface of the unit cells and a distance measurement value between the lower thickness sensor and the lower surface of the unit cells, from a distance between the upper thickness sensor and the lower thickness sensor, so as to calculate a thickness of the unit cells.

The invention discloses a direct current weak signal three-level calibrating method for a formation water specific resistivity logging instrument. The direct current weak signal three-level calibrating method for the formation water specific resistivity logging instrument is characterized by comprising instrument level calibrating, channel level calibrating and real-time period level calibrating;the instrument level calibrating is that a simulation box is used for calibrating a constant direct current power source of the instrument, performance of a whole analog channel and a function of a digital channel; the channel level calibrating is that a calibrating device is used for calibrating the performance of the whole analog channel and the function of the digital channel; and the real-timeperiod level calibrating is that by means of DAC, a series of fixed positive and negative voltage values are emitted according to a preset timing sequence, a calibrating relay is controlled to send signals into a measuring channel, by means of amplification and treatment of n different pre-amplification channels and multichannel gating switch and smoothing, and collecting is carried out through ADC according to a preset timing sequence. By means of the direct current weak signal three-level calibrating method for the formation water specific resistivity logging instrument, the accuracy of signal measuring and collecting of the formation water specific resistivity logging instrument is improved, and the adaptivity of the instrument to different well conditions is also improved.

The invention belongs to the technical field of medical apparatuses and instruments and discloses a inductance-variable wireless intraocular pressure monitoring sensor based on a microfiber pipe. Thesensor comprises a corneal contact lens (1), the microfiber pipe (2), liquid metal (3) and a patch capacitor (4), wherein the microfiber pipe and the liquid metal integrally form an inductor and are coupled with the patch capacitor to form an LC resonant sensor; the inductance value of the inductor is influenced by intraocular pressure, so that the resonance frequency of the LC resonant sensor isalso influenced by the intraocular pressure; real-time sensing monitoring of the intraocular pressure can be realized by reading the change of resonance frequency. By combining the characteristics ofclinical application of intraocular pressure monitoring and adopting the LC sensor formed by the microfiber pipe and the capacitor which are filled with the liquid metal, the intraocular pressure is monitored, and a specific structure and specific setting mode of the LC sensor are designed; the intraocular pressure can be monitored by reading the change of the resonant frequency of the LC sensor.

The invention relates to a driving mechanism of an omnidirectional mobile robot. The existing driving mechanism has low degree of freedom. A substrate is provided with a rotation driving motor; the rotation driving motor drives a driving rotation measuring wheel and a driving rotation driving wheel; a coder is installed below the driving rotation driving wheel; the driving rotation driving wheel is connected with a driven rotation driving wheel through a rotation driving belt; the driven rotation driving wheel is installed in a bearing between an upper cover and a lower cover; the rotation driving wheel drives a rotation axis; the bottom of the rotation axis is fixedly connected with a wheel bracket; the wheel bracket is internally provided with a rolling wheel; and the up-and-down movement of the wheel bracket is finished by the combined action of a damping spring and the rotation axis. The rolling wheel has three degrees of freedom, and the adaptability to landforms is increased on rough terrain.

The invention provides a conical pin size measuring device and a measuring method. The conical pin size measuring device comprises a reference block, reference holes and a distance measuring device. When the measuring device is used, a conical pin is placed into two groups of reference holes and perpendicular to a reference plane, the hole diameter of each reference hole is positioned between the diameter of a large end and the diameter of a small end of the conical pin to be measured, the conical pin to be measured is placed into a first reference hole and a second reference hole, the small end of the conical pin to be measured enters the reference holes, the large end of the conical pin to be measured does not enter the reference holes, the diameter of the first reference hole is A1, and the diameter of the second reference hole is A2. When the conical pin to be measured in the reference holes is measured by the aid of a depth indicator, the distances B1 and B2 between the large end face of the conical pin and the reference surface are measured by a depth gauge when the conical pin is placed in the two reference holes, and finally, the taper and the diameter of the large end of the conical pin are calculated. According to the device, measuring processes are simpler and more convenient, the size of a nonstandard conical pin can be simply, conveniently, rapidly and accurately measured, and the device has the advantages of simple structure, convenience in use, high practicability, easiness in popularization and the like.

The invention discloses a submarine topography drawing method and a device. The method comprises the following steps of: obtaining the water depth of each reference position of the unmanned ship in the designated area and the water flow speed of each reference position; and calculating a water flow speed difference value between two adjacent reference positions, judging whether the water flow speed difference value between the two reference positions is greater than a preset value, and if the water flow speed difference value between the two adjacent reference positions is greater than the preset value, performing interpolation processing on the water depth between the two adjacent reference positions to obtain a submarine topography drawing result. The submarine topography drawing methodprovided by the embodiment of the invention greatly improves the submarine topography accurate measurement and efficiency.

The invention discloses test equipment and a test method for testing the lateral deformation of a concrete mixture indoors. The test equipment comprises a box, a positioning plate, a horizontal scaleand vertical scales; the box is mainly composed of a bottom plate, a left side wall, a right side wall, a front rotating plate and a rear rotating plate; a leveling plastic steel spacer is arranged atthe bottom of the bottom plate, and the leveling plastic steel spacer is provided with horizontal bubbles; the positioning plate is provided with a round hole at one end, a semicircular opening at the other end, and a hollow groove in the middle; the horizontal scale is defined to slide reciprocally in the hollow groove of the positioning plate through a cylindrical bolt; and four vertical scalesare provided and mounted at four corners of the box respectively. The test equipment and the test method are used for simulating the liquefaction characteristic of road sliding mold construction process concrete vibrated at a high frequency and the lateral deformation when the support of a side wall template is lost after vibration, fill the blank of evaluating the formwork erecting characteristic of the road sliding mold concrete by using only the slump consistency index of the concrete in the industry, and greatly facilitate the construction, research and test.

Disclosed is a dynamic derivative test device for pitching yaw free vibration of an aircraft with a large slenderness ratio. A high-pressure driving device is mounted in a back support device, and anoutput shaft of the high-pressure driving device is connected with the tail end of a push rod (7) in an initial excitation device to drive the push rod (7) to move back and forth; the back support device comprises a back support arm (4), a connecting shaft (12), a back support arm pin (13), a back support arm screw (14), a wedge (16), a positioning key (17) and a middle shaft (18); one end of thepitching elastic hinge (2) is fixedly connected with the back supporting device, and the other end is connected with the large slenderness ratio aircraft test model (1); before and after the test, themovement of the pitching hinge is limited through a push rod (7); and, in the test process, the driving block (5) drives the tail of the model to move upwards through front-back movement of the pushrod, and then the aircraft test model (1) with the large slenderness ratio is driven to do free vibration movement around the rotating center of the pitching elastic hinge (2).

The invention relates to an immersed virtual reality medical image platform based on multi-user sharing. The platform comprises a control system as well as an operating part, communication equipment and a control bus which are electrically connected to the control system, wherein the control bus is electrically connected to an X ray control part and an X ray detection rotary module; the X ray control part and the X ray detection rotary module are electrically connected to a three-dimensional imaging detection platform; the three-dimensional imaging detection platform can implement an X ray imaging operation under control of the control system, and then, data of multi-directional imaging can be transmitted to an X ray imaging detection module by virtue of the three-dimensional imaging detection platform; the X ray imaging detection module is in controlled connection to the control system; and the X ray imaging detection module can transmit images to an image display module after data undergoes such processes as X ray two-dimensional imaging acquisition, data storage, integrating module data calling, model reconstruction, image generating and displaying processing, and then, the images are transmitted to display equipment by virtue of a communication module.

The invention discloses a forest measurement angulometer and an application method thereof. The forest measurement angulometer consists of a transparent narrow scale and a yardstick. During observation, a rope end is held in front of eyes with one hand, the scale body is held with the other hand, and counting is performed according to the relations of tangency, intercrossing and clearance between visual lines on both sides of the yardstick and a target tree crown breadth. Two functions are realized: (1) mathematical modeling is determined by measuring the ground diameter, crown breadth, height and biomass of each counted tree, and the total biomass of a sample land is computed by using a mathematical model; (2) measurement of the canopy density of spherical vegetation is realized through the mathematical model by measuring the crown breadth of the spherical vegetation and counting according to the rule. By adopting the method, the measuring efficiency and accuracy of the shrub biomass and canopy density are increased greatly, and the defects of great damage in the conventional destructive measuring method with high accuracy as well as low accuracy in a non-destructive measuring method with no damage are overcome.

The invention discloses a weak oscillation monitoring optical fiber sensor which comprises a light source input device and a light source output device corresponding to the light source input device, wherein the downsides and upsides of the light source input device and the light source output device are connected through fixed supports, and the fixed support above or below the light source input device and the light source output device is also connected with a vibration induction membrane; two adjacent longitudinal side surfaces of the light source input device and the light source output device are respectively provided with a lens; and a light separating plate is arranged between the lenses of the light source input device and the light source output device, and is provided with a light transmitting hole for enabling a light source to be transmitted into the light source output device from the light source input device. The invention also discloses a sensor system formed by the weak oscillation monitoring optical fiber sensor and an application method of the sensor system. The invention solves the problems of low measurement accuracy and sensitivity as well as narrow measurement range of the traditional oscillation optical fiber sensor in the prior art.

The invention relates to a driving mechanism of an omnidirectional mobile robot. The existing driving mechanism has low degree of freedom. A substrate is provided with a rotation driving motor; the rotation driving motor drives a driving rotation measuring wheel and a driving rotation driving wheel; a coder is installed below the driving rotation driving wheel; the driving rotation driving wheel is connected with a driven rotation driving wheel through a rotation driving belt; the driven rotation driving wheel is installed in a bearing between an upper cover and a lower cover; the rotation driving wheel drives a rotation axis; the bottom of the rotation axis is fixedly connected with a wheel bracket; the wheel bracket is internally provided with a rolling wheel; and the up-and-down movement of the wheel bracket is finished by the combined action of a damping spring and the rotation axis. The rolling wheel has three degrees of freedom, and the adaptability to landforms is increased on rough terrain.

The invention discloses force sensing lifting equipment and a control method, the lifting equipment comprises a winch assembly, a force sensing handle assembly and a cable, the two ends of the cable are connected with the winch assembly and the force sensing handle assembly respectively, and a hanging assembly is connected to the force sensing handle assembly; the winch assembly comprises a winch controller, a winch motor, a motor driver and a first wireless module, the winch controller is electrically connected with the motor driver and the first wireless module, and the motor driver is electrically connected with the winch motor; the force sensing handle assembly comprises a handle controller, an unlocking module, a gravity sensor, an operating force sensor and a second wireless module, the handle controller is electrically connected with the unlocking module, the gravity sensor, the operating force sensor and the second wireless module, and the first wireless module and the second wireless module are in communication connection. According to the invention, the motion trend of the heavy object is consistent with the operation intention under low power consumption, a redundancy control method is considered, and the operation convenience of the lifting equipment is improved.

The invention discloses a three-level calibration method for DC weak signals of a formation water resistivity logging instrument, which is characterized in that it includes instrument-level calibration, channel-level calibration and real-time period-level calibration; the instrument-level calibration is an instrument using an analog box calibration The constant DC power supply, the performance of the entire analog channel and the function of the digital channel; the channel-level scale is the use of a scale device to scale the performance of the entire analog channel and the function of the digital channel; the real-time cycle-level scale is transmitted through the DAC according to a predetermined timing A series of fixed positive and negative voltage values, control the scale relay to send the signal to the measurement channel, amplify and process through n different pre-amplification channels, and then after multi-channel gating switching and filtering, the ADC will collect according to the preset timing . The invention improves the accuracy of the formation water resistivity logging instrument for signal measurement and collection, and also improves the adaptability of the instrument to different well conditions.

The invention provides load balance measurement and a measurement device. The load balance measurement comprises a rigid load adder, a first load, a second load, an inertial reference system, a system balance force, and a force sensing element, wherein the rigid load adder is used for adding and transferring a rigid body or a non-absolute rigid body with acting effects by the load; the inertial reference system enables the rigid load adder to be kept still in relative to the inertial reference system; the system balance force is provided to the rigid load adder by the inertial reference system for an acting force for enabling the rigid load adder to be kept still in relative to the inertial reference system; the force sensing element is used for adopting a contact or non-contact mode to execute measurement on a positive direction value of a single component acting force, a negative direction value of the single component acting force or two direction force values or force value changes; acting effects by the first load, the second load and the system balance force on the rigid load adder are added by the rigid load adder; and the system balance force provided by the inertial reference system for the rigid load adder is measured by the force sensing element.

The invention provides a determination method of tin content in drugs. The determination method includes the following steps: (1) preparing a test solution; (2) preparing a reference solution; (3) performing chromatographic condition and system suitability test: adopting high performance liquid chromatography, taking octadecylsilane chemically bonded silica as a filling agent, phosphate solution 5-8g / L in concentration as a mobile phase A containing 2.8g / L-3.5g / L ion pair reagent and 0.7g / L-1.1g / L metal complexing agent and chromatographic pure methanol as a mobile phase B, performing elution according to the volume ratio of the mobile phase A to the mobile phase B being 78-92:22-8; controlling the flow velocity of the mobile phase to be 0.8mL / min-1.2mL / min; controlling the column temperature to be 20-30 DEG C; controlling detection wavelength to be 248nm-252nm; measuring and calculating results. By the determination method, the problem that the tin content determination method in the prior art is inaccurate, complicated in steps and the like is solved.

The invention discloses an FPGA accelerator. The FPGA accelerator uses an FPGA-based accelerator to realize the unloading and acceleration of a network test protocol in the FPGA, and the sending and receiving of task data does not need to be transmitted to a CPU for processing, thereby reducing the load of the CPU; the FPGA accelerator Its own data processing ability is strong, it can meet the test requirements of full bandwidth, and realize high-precision measurement; at the same time, the application module in this device is built based on the Iperf protocol, and the Iperf protocol can be replaced based on the test needs, and the scalability is good; due to the dynamic flexibility of the FPGA accelerator Programming features, the corresponding test environment can be built at any time as needed, all operations are just the execution of software instructions, no need to replace the hardware board, change the hardware connection relationship, which is conducive to the rapid location of faults. The invention also discloses a network parameter measurement system, method and readable storage medium, which have corresponding technical effects.

The invention discloses a method for performing algorithm denoising by using a motion sensor to cooperate with electrocardiogram monitoring. The method comprises the following steps of debugging an electrocardiogram sensor and the motion sensor to the same detection frequency; setting the electrocardiogram sensor and the motion sensor to be under the same starting control to ensure the simultaneous starting which is obviously easy to be realized in the previous SOC scheme; obtaining electrocardiogram sensing data of a continuous moment and motion sensing data of the continuous moment by usinga timer; through a gateway, collecting the electrocardiogram sensing data of the continuous moment and the motion sensing data of the continuous moment in the third step by a server; performing combination and association on the electrocardiogram sensing data of the same moment and the motion sensing data of the continuous moment; and selecting the motion sensing data with the same parameter at different moments, and extracting corresponding electrocardiogram sensing data to obtain an average value of the electrocardiogram sensing data. The invention provides the method for performing algorithm denoising by using the motion sensor to cooperate with electrocardiogram monitoring; the accuracy of electrocardiogram detection can be improved by threshold elimination and motion sensing data average value denoising methods; and a mode for improving measurement accuracy is provided under the condition of changing the application scene of electrocardiogram detection.

The invention discloses an apparatus used to scribe curves on the surface of the geologic structure deformation model, the test chamber is fixed on the operating console, the X direction traveler is mounted on the both sides of the operating console, and the sand hopper bracket is supported by the X direction traveler and could travel along it, the Y direction traveler is mounted on the sand hopper bracket, the leaking sand device is mounted on the Y direction traveler and could travel along it. The retaining bracket of leaking sand device is set on the Y direction traveler, the sliding rail is mounted on the retaining bracket by the mounting plate, the sand hopper is mounted on the rail via slide block and the vertical height could be adjusted by actuating device, and the open and close device is mounted in the inner of sand hopper. The up-down regulating device could take the sand hopper up and down via the up-down thong. The invention can prevent the model surface from damaging, draw canonical and pretty color grips simultaneously, and find the deforming location according to the displacement of sand after the deformation of test model. The invention improves the requirement for the accurate measurement of the finite strain and quantitative analysis. The apparatus is simple in structure and easy to use.

The invention belongs to the field of eye pressure sensing, and discloses a contact lens visual eye pressure sensor based on a strain sensing mechanism and preparation thereof. The sensor comprises acornea contact lens (1) formed through conformal bonding, a micro-cavity (2), a sensing channel (3) and an air chamber (4). The micro-cavity is fully filled with dyeing function liquid (6). One end ofthe sensing channel is communicated with the air chamber, and the other end of the sensing channel is connected with the micro-cavity. The sensing channel is used for balancing the pressure between the air chamber and the micro-cavity. When the eye pressure changes, the deformation of the micro-cavity is caused, and the pressure difference is generated between the air chamber and the micro-cavity. By monitoring the position of a gas-liquid interface in the sensing channel, the eye pressure can be monitored. The soft curved surface microfluidic contact eye is prepared through conformal bondingand internally provided with the micro-cavity, the sensing micro-channel and the air chamber, and the contact eye is simple in structure, convenient to use, soft and comfortable to wear, high in sensitivity, large in dynamic range and quite suitable for the eye pressure sensing field.

The invention discloses a demodulation method of a differential circular inductosyn. The demodulation method comprises the following steps: acquiring a main value interval electrical angle of a coarsechannel and a main value interval electrical angle of a fine channel, and acquiring a first mechanical angle; performing synchronous compensation correction on each period of the main value intervalelectrical angle of the coarse channel and each period of the main value interval electrical angle of the fine channel to obtain a corrected main value interval electrical angle of the coarse channeland a corrected main value interval electrical angle of the fine channel; obtaining a second mechanical angle according to the corrected main value interval electrical angle of the coarse channel andthe corrected main value interval electrical angle of the fine channel; judging whether the corrected main value interval electrical angle of the coarse channel and the corrected main value interval electrical angle of the fine channel are adjacent or not according to a preset condition, and obtaining the period number of the fine channel electrical angle according to the judgment result and the second mechanical angle; and obtaining a third mechanical angle according to the period number of the fine channel electrical angle and the corrected main value interval electrical angle of the fine channel. The measurement precision of the mechanical angle is improved.

The invention discloses a weak oscillation monitoring optical fiber sensor which comprises a light source input device and a light source output device corresponding to the light source input device, wherein the downsides and upsides of the light source input device and the light source output device are connected through fixed supports, and the fixed support above or below the light source input device and the light source output device is also connected with a vibration induction membrane; two adjacent longitudinal side surfaces of the light source input device and the light source output device are respectively provided with a lens; and a light separating plate is arranged between the lenses of the light source input device and the light source output device, and is provided with a light transmitting hole for enabling a light source to be transmitted into the light source output device from the light source input device. The invention also discloses a sensor system formed by the weak oscillation monitoring optical fiber sensor and an application method of the sensor system. The invention solves the problems of low measurement accuracy and sensitivity as well as narrow measurement range of the traditional oscillation optical fiber sensor in the prior art.