46results about How to "Little effect of terrain" patented technology

The invention discloses a normalized cultivation method for field cultivation of dendrobium officinale, and aims at providing a normalized cultivation method for field cultivation of dendrobium officinale which is high in product quality. The method comprises the first step of planting field selection, the second step of soil preparation, the third step of plastic tunnel build, the fourth step of matrix treatment, the fifth step of matrix laying, the sixth step of transplanting, the seventh step of field management and the eighth step of harvesting. The normalized cultivation method for the field cultivation of the dendrobium officinale is not only suitable for promotion cultivation in flat areas and gentle slope zones, but also suitable for the promotion cultivation in mountainous areas and hilly zones which are good in natural ecological environment. The influence of terrains on the cultivation method is small, the adaptability is strong, the cultivation method is suitable for promotion of artificial normalization and large-scale cultivation of the dendrobium officinale, the produced dendrobium officinale can meet the requirements of markets, and products with high quality can be provided for the markets.

The invention discloses a method for positioning and detecting low-density concealed ore bodies in a gallery gravity total spatial domain. The method includes the steps that firstly, field gallery gravity and gravity gradient observation is conducted, various corrections are conducted on observation data and include the earth tide correction, the null shift correction, the terrain correction, Bouguer correction, latitude correction, gallery correction, gob correction, backfilling zone correction and the like; secondly, concealed ore body positioning detection is conducted according to the gravity anomaly and the gravity gradient anomaly in the X direction, the Y direction and the Z direction, wherein the gravity anomaly and the gravity gradient anomaly are obtained after correction is conducted. The method solves the problems that metal ore bodies are difficult to position in the total spatial domain, and according to other object detection methods, the deep ore bodies are difficult to position and detect accurately due to the influences of electromagnetic interference and anomaly multiple solutions.

The invention discloses a helicopter airborne system for controlling and recognizing a power transmission line. The helicopter airborne system for controlling and recognizing the power transmission line comprises a control computer, an image storage compression module, a camera shooting image display, an optoelectronic detector, a video transmission communication module, a control computer based on virtual instrument control interface control and recognition, a digital display, a light-emitting diode (LED) display lamp, a voice alarm, an integrated control keyboard, an infrared collecting amplification module, an infrared thermometer, a charge coupled device (CCD) camera, an infrared camera, a visible light and ultraviolet imager, an infrared thermal television, an operating platform system and a three-dimensional navigation system. An infrared thermal imager and other diagnostic technologies are utilized to detect abnormal infrared radiation and temperature caused by equipment failure under the condition of a long distance, no power outage, no contact, no sampling and no disassembly during a running state of a power transformation device, and the advanced system is provided for power transmission line device state recognition and monitoring.

The invention relates to a double-couple source ground-well transient electromagnetic detection method, which includes the following steps: a grounding lead is placed in a ground area corresponding toa roadway to be detected which is located underground as a double-electric dipole emission source used for generating an electromagnetic field; at a top plate, a bottom plate and / or a lateral wall ofthe roadway to be detected, receiving devices are arranged along the roadway direction, and the receiving devices include single or a plurality of receiving probes, and can collect electromagnetic signals received by each of the receiving probes; bipolar pulse current is applied to the double-electric dipole emission source to excite an electromagnetic field; an underground medium is subjected toinduction of the electromagnetic field to generate an induction electromagnetic field, and the underground medium includes ground or a detection target layer / body; each of the receiving probes measures the induction electromagnetic field to obtain characteristics of the induction electromagnetic field which change with time; by analysis of the characteristics changing with time, electrical characteristics of the underground medium are extracted; and according to the electrical characteristics, the spatial distribution and extending direction of the underground medium are judged.

The present invention discloses a method of positioning and detecting a high density concealed ore body in a full spatial domain by the tunnel gravity. The method is characterized in that firstly, the field tunnel gravity and the gravity gradient are observed, and various correction operations containing the earth tide correction, the null shift correction, the topographic correction, the Bouguer correction, the latitude correction, the tunnel correction, the mined-out area correction, the back filled region correction and the like are carried out on the observation data, and then the concealed ore body is positioned and detected by the corrected gravity abnormity and the gravity gradient abnormity in the X, Y and Z directions. The method solves the problems that a metal ore body is difficult to position in the full spatial domain, and the other geophysical exploration methods are influenced by the electromagnetic interference and the abnormity multiplicity, so that the deep ore body is difficult to position and detect accurately.

The invention relates to a method for monitoring, preventing and treating groundwater pollution, and belongs to the technical field of treatment of soil and groundwater pollution. According to the method, a three-dimensional spatial distribution of percolate in a monitoring region is quickly determined through a high-density resistivity method, and the flowing direction of the percolate is forecast; and a collection well which has a corresponding depth is arranged at the downstream and is used to collect the percolate, and the percolate is pumped to the ground surface for storage, and then is purified. The method has the advantages that the distribution condition and the migration orientation of heavy metal pollutants in soil in the monitoring region can be mastered in real time, and the influence of terrain is little; the prevention and treatment range covers the whole monitoring region and the deep underground part of the monitoring region; and the collection and treatment operation for the percolate is convenient and continuous, so that the prevention and treatment cost of a large-sized polluted region is substantially reduced.

The invention discloses a tree measuring method including that sampling point information collected by a non-prism total station in real time is acquired by a processor, the sampling point information includes a highest altitude Ht, a lowest altitude Hb and sampling point coordinates; a tree height H is calculated by the processor according to the highest altitude Ht and the lowest altitude Hb, the tree height H=Ht-Hb; tree crown projected area is calculated by the processor according to the sampling point coordinates. The invention further discloses a tree measuring system. By the aid of the tree measuring system and method, the sampling point information of object trees is accurately and efficiently collected by the non-prism total station in complex terrain situation; and the tree height and the tree crown projected area are calculated by the processor. And meanwhile, when the tree crown projected area is calculated, non-linear tree crown projection is linearized by combining a concave-convex polygon according to tree crown total grow state; the tree crown projection is transformed into an arc polygon with concave arcs and convex arcs to be calculated; and the accuracy is high.

The invention discloses a method for locating and detecting a deep high-density inclined ore body under in a full spatial domain based on tunnel gravity and belongs to the geophysical prospecting technical field. According to the method of the invention, the deep high-density inclined ore body can be located and predicted through using gravity anomalies and X, Y and Z-direction gravity gradient anomalies. The method mainly comprises tunnel gravity and gravity gradient observation and correction of observation data, wherein the correction of the observation data involves solid tide earth tide correction, zero drift correction, terrain correction, Bouguer correction, latitude correction, tunnel correction, goaf correction, backfill area correction and the like, so that gravity anomaly valuesand X, Y and Z-direction gravity gradient anomaly values can be obtained. With the method adopted, difficulties in locating a high-density inclined ore body in a full spatial domain and difficultiesin accurately locating and detecting of a deep high-density inclined ore body of other geophysical prospecting methods which are subjected to electromagnetic interference and have multiplicity of solutions for abnormalities can be eliminated.

The invention discloses an electric power rush-repair method using a cable wiring device equipped with a balancing device. The cable wiring device comprises a rack; an operating table is arranged on the rack; two upper swing arms are mounted on the operating table; a lower swing arm is mounted on each upper swing arm; each upper swing arm is connected with a driving arm; the driving arms are connected with driving oil cylinders mounted on the operating table; the piston rods of the driving oil cylinders are mounted on the driving arms; a cable spool is mounted on the operating table; a storage box is mounted on the rack; a cable supporting rod is arranged in the storage box, and comprises a mounting section and a cable supporting section; a triangular fork is arranged at one end of the mounting section; an internal thread is formed in the other end of the mounting section; an external thread is formed in one end of the cable supporting section; a supporting cross beam is arranged at the other end of the cable supporting section; a cable rotating table is mounted at one end of the supporting cross beam; a cable fixing clip is arranged at the other end of the supporting cross beam. Due to the specific structural design of the cable wiring device and the balancing device, a plurality of beneficial effects are realized, and the electric power rush-repair method can be used in wire-cable wiring construction.

The invention discloses a wireless joint debugging and testing system of a wind turbine generator system. The system comprises a joint debugging integration cabinet, control boxes, a touch screen, a cabin wireless communication module and a hub wireless communication module; the control boxes and the touch screen are arranged on the joint debugging integration cabinet; at least two control boxes are provided; the control boxes are connected with the touch screen; the control boxes are provided with interfaces connected with a cabin control module; the cabin wireless communication module can bein pluggable connection with the cabin control module; the hub wireless communication module can be in pluggable connection with a hub variable pitch main control module; and the cabin wireless communication module is in wireless connection with the hub wireless communication module. The system has the beneficial effects of convenience to operate, complete functions, capability of reducing the terrain influence and convenience to move and carry.

The invention discloses a high-precision speed measurement positioning method and a high-precision speed measurement positioning system for medium and low-speed maglev trains. The method comprises the following steps of: spreading metal tooth groove bars on a running track of the train, and arranging over two speed measurement positioning sensors on a train body; and cooperatively generating detection signals when the train runs and the speed measurement positioning sensors are close to the metal tooth groove bars, and judging the speed, relative position and direction of the vehicle body according to the detection signals. The system comprises the metal tooth groove bars fixed on the track, the over two speed measurement positioning sensors arranged on the train body and a signal processing unit; when the speed measurement positioning sensors are close to the metal tooth groove bars, periodic sinusoidal signals and periodic on-off signals are cooperatively generated and output to thesignal processing unit; and the signal processing unit judges the speed and the position of the train body according to the received sinusoidal signals and the received on-off signals. The system hasthe advantages of simple and compact structure, low cost, high measurement precision, convenient installation, strong anti-jamming capability and the like.

The invention discloses a detection aircraft, which comprises a wing, the wing is in a wing shape, the wing is provided with an energy supply system, and the wing is provided with a detection device;the Magnus rotors which are rotationally installed at the front ends of the wings, the Magnus rotors are parallel to the front ends of the wings, and the energy supply system is in transmission connection with the Magnus rotors so as to drive the Magnus rotors to rotate; and a parafoil which is arranged on the upper surface of the wing, and the energy supply system is electrically connected with the parafoil so as to supply energy to the parafoil. According to the detection aircraft, the Magnus rotors are additionally arranged on the front edges of the wings, and in the cruise process, the Magnus rotors can provide larger lift force for the wings in the rotating process; and the Magnus rotor can provide necessary lift force requirements for the Mars probe by taking measures such as changing the rotating speed under the conditions of low density and low dynamic pressure of the external planet atmosphere.

The invention discloses a cable rack line repair method. The method uses a cable rack line device, the device comprises a rack, wherein an operating table is arranged on the rack, two upper swinging arms are arranged on the operating table, a lower swinging arm is arranged on each upper swinging arm, each upper swinging arm is connected with a driving arm, a connection rod is arranged between the lower swinging arm and the driving arm, the driving arm is connected with a driving oil cylinder, a cylinder body of the driving oil cylinder is arranged on the operating table, a piston rod of the driving oil cylinder is arranged on the driving arm, a cable winding disc is arranged on the operating table, a storage box is arranged on the rack, a cable support rod is arranged in the storage box and comprises an installation segment and a cable support segment, the lower swinging arm comprises a support oil cylinder, and a stepping boot is arranged at an end part of a piston rod of the support oil cylinder. The method can be used in cable rack construction, and has favorable application value.

The invention discloses a starter turnover robot orienting to a white spirit starter-making process. The starter turnover robot orienting to the white spirit starter-making process comprises a walkingdevice, a rotating device, a lifting device, a horizontal telescoping device and a clamping device, wherein the rotating device is arranged on the walking device; the lifting device is arranged on the rotating device; the horizontal telescoping device is arranged on the lifting device; the clamping device is arranged on the bottom part of the horizontal telescoping device; the rotating device isused for rotating the lifting device; the lifting device is used for lifting the horizontal telescoping device; the horizontal telescoping device is used for reciprocatively moving the clamping device; and the clamping device is used for grabbing starter pieces. The robot is high in stability and high in practicability; large pressure can be borne, so that the reliability in clamping is improved;and the starter pieces are clamped through two clamping fingers at the tail end of the clamping device, and the two clamping fingers contact a starter piece forming surface, so that the stability in clamping is improved.

The invention discloses a cable wire erecting device for electric power repairing. The cable wire erecting device comprises a rack. The rack is provided with an operating platform. The operating platform is provided with two upper swing arms, each upper swing arm is provided with a lower swing arm and connected with a drive arm, the drive arms are connected with a drive oil cylinder, a cylinder block of the drive oil cylinder is installed on the operating platform, and a piston rod of the drive oil cylinder is installed on the drive arms. The operating platform is provided with a cable wire spool. The rack is provided with a storage box. The storage box is internally provided with a cable supporting rod. The cable supporting rod comprises an installation segment and a cable supporting segment. A triangular fork is installed at one end of the installation segment, and an internal thread is arranged at the other end of the installation segment. An external thread is arranged at one end of the cable supporting segment, a supporting cross beam is arranged at the other end of the cable supporting segment, a cable rotatable disk is installed at one end of the supporting cross beam, and a cable fixing clip is arranged at the other end of the supporting cross beam. By means of the specific structural design, the cable wire erecting device has a plurality of advantages, can be applied to constructions such as electric power repairing and cable wire erecting and has good application prospects and industrial production potential.

The invention relates to a self-driven temperature measuring device based on pipeline fluid power generation. The device comprises a water wheel, a miniature generator, a rectifying and voltage stabilizing system, a temperature measuring system and a temperature measuring probe. The water wheel is arranged in a pipe to be measured, a round hole is formed in the pipe, and a water wheel shaft passesthrough the round hole to be connected with the miniature generator outside the pipe. The output end of the miniature generator is connected with the rectifying and voltage stabilizing system, and the output end of the rectifying and voltage stabilizing system is connected with the temperature measuring system. The temperature measuring probe is induced by the temperature measuring system and placed at a measuring point. The temperature measuring system comprises a time control switch, a temperature measuring circuit, a display screen or a wireless data transfer module. The temperature measuring circuit is in parallel connection with two ends of a battery. The device is additionally equipped with a fluid power generation system, the water wheel can collect kinetic energy of fluid in a pipeline to drive the miniature generator to rotate, and the kinetic energy is converted into electric energy, undergoes voltage stabilization through rectifying and then becomes constant direct currents, so energy is provided to the temperature measuring system to measure temperature. Moreover, temperature data can be displayed in real time and can be transmitted from a long distance.

The invention discloses a novel cable stringing apparatus. The novel cable stringing apparatus comprises a frame, the frame is provided with an operating console, the operating console is provided with two upper oscillating arms, each upper oscillating arm is provided with a lower oscillating arm, each upper oscillating arm is connected with a driving arm, connecting rods are installed between the upper oscillating arms and the driving arms, the driving arms are connected with driving oil cylinders, cylinder bodies of the driving oil cylinders are installed on the operating console, and piston rods of the driving oil cylinders are installed on the driving arms; the operating console is provided with a cable wire reel; and the frame is provided with a storage box, the storage box is internally provided with a cable support rod, the cable support rod comprises an installation segment and a cable support segment, one end of the installation segment is provided with a triangular fork, the other end is provided with an internal thread, one end of the cable support segment is provided with an external thread, the other end is provided with a support cross beam, one end of the support cross beam is provided with a cable rotation disc, the other end is provided with a cable fixation clamp, the lower oscillating arms comprise support oil cylinders, and the end portions of piston rods of the support oil cylinders are provided with trampling boots. The apparatus can be applied to cable erection construction and has good application prospect.

The invention discloses a method for monitoring, preventing and treating underground water pollution, which comprises the following steps of: (1) setting a plurality of detection points in the range of a mining area, detecting an underground water source, recording a heavily polluted water source area and establishing an underground well; (2) sampling, detecting and analyzing underground water through an underground well, wherein comparing operation is performed, and the underground water pollution condition is analyzed; (3) determining a pollution source as a to-be-controlled site according to the pollution condition; (4) blocking the to-be-prevented and treated site by adopting a water blocking device, and then adding an underground water repairing agent into the to-be-prevented and treated site, wherein a filter wall is arranged at the downstream of the underground water source. Aiming at pollution monitoring and prevention and treatment of underground water, the method is less affected by terrain, and the prevention and treatment range can cover the whole monitoring area and the underground depth of the monitoring area; in addition, a pollution source can be detected and can be effectively treated, and prevention is carried out by adopting a filter wall.

The invention discloses a vacuum combined-type dynamic water silt model real-time landform measurement method and instrument, and the method comprises the steps: (1), determining a distance D1 from an ultrasonic detector to a communicating pipe bottom; (2), determining a distance D2 between a probe of a tracking-type water gauge and the communicating pipe bottom; (3), starting the tracking-type water gauge, starting a vacuum pump when the probe makes contact with a water surface, extracting air from a communicating pipe, and filling the pipe with water; (4), starting the ultrasonic detector; (5), recording the water levels QUOTE tau(t) tau(t) and water depths QUOTE Z' (t) Z' (t) at different moments at the same time, wherein the obtained water depth during ultrasonic measurement subtracts (D1-D2) is QUOTE (shown in the description); (6), calculating the water level and the riverbed landform changes. The method solves the following problems on the basis of the ultrasonic measurement technology: (1), reducing or eliminating the measurement blind region of the instrument; (2), achieving the landform measurement under a condition of a small water depth; (3), reducing or eliminating the impact of the instrument on a flow field and landform changes under the condition of dynamic water; (4), improving the landform measurement precision.

The invention discloses a helicopter airborne system for controlling and recognizing a power transmission line. The helicopter airborne system for controlling and recognizing the power transmission line comprises a control computer, an image storage compression module, a camera shooting image display, an optoelectronic detector, a video transmission communication module, a control computer based on virtual instrument control interface control and recognition, a digital display, a light-emitting diode (LED) display lamp, a voice alarm, an integrated control keyboard, an infrared collecting amplification module, an infrared thermometer, a charge coupled device (CCD) camera, an infrared camera, a visible light and ultraviolet imager, an infrared thermal television, an operating platform system and a three-dimensional navigation system. An infrared thermal imager and other diagnostic technologies are utilized to detect abnormal infrared radiation and temperature caused by equipment failure under the condition of a long distance, no power outage, no contact, no sampling and no disassembly during a running state of a power transformation device, and the advanced system is provided for power transmission line device state recognition and monitoring.

According to the large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing, ducted motors embedded in wings and the wings are of an integrated structure, the wings are connected with a lifting fuselage, a turbojet engine is installed at the tail of the lifting fuselage, a truss framework assembly is arranged in the lifting fuselage, and a flight control system is installed in the lifting fuselage in the direction of a fuselage head; a power battery pack is arranged in the middle of the lifting fuselage, the double-body loading cargo hold is arranged at the bottom of the lifting fuselage and integrally connected with the wings and the lifting fuselage, an isolation cabin is additionally arranged on the cargo hold periphery of the double-body loading cargo hold, the double-body loading cargo hold is of an internal thin-wall hollow structure, and an empty bin is arranged at the bottom end of the cargo hold to serve as an auxiliary fuel tank. The unmanned aerial vehicle has the vertical take-off and landing capability and also has a cruise mode of a fixed-wing aircraft, so that the flight speed and the voyage can be ensured; the catamaran unmanned ship urgently descends on the water surface after sudden change of weather conditions and is changed into water surface sailing, and the catamaran unmanned ship can stably sail under certain sea conditions, so that the overall safety of the unmanned aerial vehicle and cargoes is guaranteed.

The invention discloses a method for detecting position and velocity of objects moving along track. The inventive method comprises: designing a positioning rate measurement system which comprises a gullet board, a plurality of partition detectors and a processor. The positioning rate measurement system can also comprises a gullet board and partition detectors. When the gullet board, a passive light blocking device, moves relatively to the partition detector, the partition detector calculates vehicle relative movement according to the changing times of positioning status and judges the moving direction of objects according to the shift sequence of positioning status in circular table. The processor combines all the signals detected by partition detectors and calculates the position and velocity of moving objects.

The present invention solves the defects that the existing corrugated steel web bridge uses a tower crane to hoist the corrugated steel web, which takes a long time for the tower crane and limits the use of the tower crane, and provides an asynchronous hanging basket for the corrugated steel web bridge, including mutually fixed The lower layer of mobile support and the corrugated steel web are hoisted to the upper layer. The lower layer of mobile support includes four legs supported in the groove of the corrugated steel web on the wing opening steel plate, the two lower beams connecting the legs horizontally and the two legs connecting the legs vertically. Parallel longitudinal beams on the lower floor; corrugated steel web hoisting The upper floor includes four columns vertically and fixedly connected to the two lower beams, two upper main beams connected horizontally to the top of the columns, and two longitudinal beam guide rails fixed to the upper main beam; longitudinal beam guide rails The lower part is connected with a transverse moving device which can move along the axial direction of the longitudinal beam guide rail. The transverse moving device comprises a transverse beam slide rail and a lifting device which is arranged on the transverse beam slide rail and can move along the axial direction of the transverse beam slide rail.

The invention discloses a detection aircraft, comprising: a wing, the wing is an airfoil, the wing is provided with an energy supply system, and a detection device is provided on the wing; a Magnus rotor, the The Magnus rotor is rotatably installed on the front end of the wing, and the Magnus rotor is arranged parallel to the front end of the wing, and the energy supply system is connected with the Magnus rotor to drive the The Magnus rotor rotates; the parafoil is arranged on the upper surface of the wing, and the energy supply system is electrically connected with the parafoil to supply energy to the parafoil. This application detects that the Magnus rotor is installed on the leading edge of the wing. During the cruising process, the Magnus rotor can provide greater lift for the wing during the rotation process, and the Magnus rotor Under the low density and low dynamic pressure conditions of the outer planetary atmosphere, it can provide the necessary lift demand for the Mars probe by changing the rotation speed and other measures.

The invention discloses a power rush-repair method using a cable wiring device with a balance device. The balance device comprises two balance cylinders, wherein the two balance cylinders are arranged on an operating table of the cable wiring device, a partition block is arranged in each balance cylinder in a sliding way and divides the balance cylinder into a left oil cavity and a right oil cavity, the two oil cavities are respectively connected with support oil cylinders, arranged at the same end, of the cable wiring device by hydraulic pipelines, the support oil cylinders are single-action oil cylinders, a pilot pump is arranged on each hydraulic pipeline, an inlet of the pilot pump is connected with an oil box, a pilot port of the pilot pump is connected with the corresponding oil cavity, an outlet of the pilot pump is connected with a rodless cavity of each support oil cylinder, the rodless cavity of the support oil cylinder communicates with the oil box by a pilot one-way vale, a pilot port of the pilot one-way valve is connected with the other oil cylinder of the balance cylinder. According to the method, various beneficial effects are achieved by special structural designs of the cable wiring device and the balance device, and the method can be used in cable rack construction and has favorable application prospect and potential.

The invention discloses a power line repairing method using a novel cable wiring device. The device comprises a frame, wherein an operation platform is arranged on the frame; two upper oscillating arms are mounted on the operation platform; a lower oscillating arm is mounted on each upper oscillating arm; each upper oscillating arm is connected with a driving arm; each driving arm is connected with a driving oil cylinder; a cylinder body of each driving oil cylinder is mounted on the operation platform; a piston rod of each driving oil cylinder is mounted on each driving arm; cable winding discs are mounted on the operation platform; a storage box is mounted on the frame; a cable supporting rod is arranged in the storage box and comprises a mounting section and a cable supporting section; a triangular fork is arranged at one end of the mounting section; internal threads are arranged at the other end of the mounting section; external threads are arranged at one end of the cable supporting section; a support cross beam is arranged at the other end of the cable supporting section; a cable rotating disc is mounted at one end of the support cross beam; a cable fixing clamp is arranged at the other end of the support cross beam. Through a special structure design of the device in the method, a plurality of beneficial effects are achieved; the method can be applied to construction for repairing power lines and erecting wires and cables and has good application prospect and potential.

The invention discloses a lifting appliance and method for mounting a pole-mounted switch, and belongs to the technical field of lifting appliances for mounting pole-mounted switches. The lifting appliance comprises an electric pole, a fixing hoop is arranged on the electric pole, a bearing frame is arranged on the fixing hoop, a double-track fixed pulley is arranged on the bearing frame, and a lifting rope is wound on the double-track fixed pulley. One end of the lifting rope is connected with the pole-mounted switch, and the other end of the lifting rope is connected with a hoisting mechanism which is arranged on the ground. The lifting appliance is specially designed for hoisting the pole-mounted switch, the working face is small, the terrain influence is small, the lifting appliance can be used on common ground or slopes, traditional single-rope hoisting is abandoned, double ropes are creatively used for hoisting the pole-mounted switch, the pole-mounted switch can stably ascend in the hoisting process, the unhooking problem is avoided, personal safety of ground operators is guaranteed, and normal installation of the pole-mounted switch is guaranteed.

The invention discloses a tree measuring method including that sampling point information collected by a non-prism total station in real time is acquired by a processor, the sampling point information includes a highest altitude Ht, a lowest altitude Hb and sampling point coordinates; a tree height H is calculated by the processor according to the highest altitude Ht and the lowest altitude Hb, the tree height H=Ht-Hb; tree crown projected area is calculated by the processor according to the sampling point coordinates. The invention further discloses a tree measuring system. By the aid of the tree measuring system and method, the sampling point information of object trees is accurately and efficiently collected by the non-prism total station in complex terrain situation; and the tree height and the tree crown projected area are calculated by the processor. And meanwhile, when the tree crown projected area is calculated, non-linear tree crown projection is linearized by combining a concave-convex polygon according to tree crown total grow state; the tree crown projection is transformed into an arc polygon with concave arcs and convex arcs to be calculated; and the accuracy is high.

The invention discloses a novel cable stringing apparatus. The novel cable stringing apparatus comprises a frame, the frame is provided with an operating console, the operating console is provided with two upper oscillating arms, each upper oscillating arm is provided with a lower oscillating arm, each upper oscillating arm is connected with a driving arm, connecting rods are installed between the upper oscillating arms and the driving arms, the driving arms are connected with driving oil cylinders, cylinder bodies of the driving oil cylinders are installed on the operating console, and piston rods of the driving oil cylinders are installed on the driving arms; the operating console is provided with a cable wire reel; and the frame is provided with a storage box, the storage box is internally provided with a cable support rod, the cable support rod comprises an installation segment and a cable support segment, one end of the installation segment is provided with a triangular fork, the other end is provided with an internal thread, one end of the cable support segment is provided with an external thread, the other end is provided with a support cross beam, one end of the support cross beam is provided with a cable rotation disc, the other end is provided with a cable fixation clamp, the lower oscillating arms comprise support oil cylinders, and the end portions of piston rods of the support oil cylinders are provided with trampling boots. The apparatus can be applied to cable erection construction and has good application prospect.

The invention discloses an electromagnetic plane wave sounding method suitable for mountains. The method comprises the steps of: designing a measuring line and a measuring point; determining a puttingstate of an observation device; starting measurement and acquiring and processing electric field and magnetic field data; and drawing images of electric resistivity and a deep section of a measured land. According to the electromagnetic plane wave sounding method suitable for mountains, the electric resistivity sounding data is more correct, the observation horizontal electric fields are along the trend of slopes, the observation magnetic fields are along the tangent directions of the slopes, the observation results are less influenced by terrains and the field operations are simple.