September 23, the North Branch day painting Company in Zhongguancun Software Park held a product launch, launched two new LiDAR products, of which r-fans-32 is the history of the smallest 32-line LiDAR, C-rans is currently the highest number of local field laser radar.
R-fans is a navigation-based LiDAR developed by North Dakota for autonomous driving, intellige
Original: EMGU-WPF LiDAR Research-moving object tracking
Next two blog posts:LiDAR data parsing and plotting radar chart? 80738619LiDAR-moving object detection? 80738995and only WPF processing: Drawing 2D laser real-time graphs80739392Based on the above steps in the blog, finally, the tracking algorithm of moving object is realized preliminarily. First on:? lidar each group of data collected (I use "fram
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I. Current Work Progress
1,
Application in Lidar
Recently, the main task is to read articles on the Application of Parallel Computing in lidar technology. Currently, it is rare to introduce parallel computing into the field of Lidar Data Processing. I have searched for three articles: a grid-based
Original: EMGU-WPF LiDAR research-positioning implementation
The location of a particular position or obstacle is achieved.Read the LiDAR data and store it locally as test data. Each frame data has the deviation to the location information of the same obstacle. So we first sampled the points that needed to be located. During the sampling process, data loss is encountered, or multiple obstructions are det
Original: EMGU-WPF LiDAR Research-moving Object Tracking 2
The initial implementation of the dry tracking, and using dots to mark the obstacles80780205During the test, when there are two obstacles overlapping with the radar scan ray, the information of the obstacle which is far away from the teaching is lost. That is, the data is re-detected when no data is obtained and does not overlap. However, due to the loss of data frames, the algorithm is ju
Introduction
Cloud and aerosol Layer products document the spatial location of major geophysical variables, the surrounding meteorological conditions (such as temperature and pressure), and some of the optical properties of measurements and derivations. The optical properties of the direct measurement include the integral decay backward scattering, the volumetric offset ratio, and the attenuation of the total color ratio. The derived optical properties are properties that can only be obtained b
1. Introduction to terrasolidThe terrasolid series is the first commercial LIDAR data processing software developed based on microstation and runs on the micorstation system. Therefore, users familiar with microstation operations can use it well. It includes four important modules: terramatch, Terrascan, terramodeler, and terraphoto.2. Introduction to features and Performance2.1 LoadThe terrasolid family of software can quickly load
1. Terrasolid Series Software Introductionterrasolid series software is the first commercial LIDAR data processing software, based on MicroStation development, running on the micorstation system, so users need to be familiar with the MicroStation operation can be very good use of it. It includes: Terramatch, Terrascan, Terramodeler, Terraphoto and other four important modules.2. Introduction to Features and performance2.1 loadingterrasolid s
Exelis ENVI v5.3, IDL v8.5, LiDAR v5.3 1DVD Remote sensing image processing platformenvi--Complete Remote sensing image processing platform ENVI (the environment for visualizing Images) is the flag of the United States Exelis Visual Information Solutions CompanyShip products. It is a powerful set of remote sensing image processing software developed by scientists in the field of remote sensing using interactive Data language IDL (Interactive, Language
The information that lidar obtains is the distance information with the surrounding object, and it is widely used in the field of mobile robot, especially autonomous mobile robot, so let's start with the autonomous navigation of mobile robot.
Mobile robot navigation means that the mobile robot relies on the sensor to realize the collision-free motion from the starting position to the target position according to the criterion of time, shortest path or
Phenomenon: LiDAR processes die at the first power-up program from the startCause: The program starts to set the output strength data to: true (default after power failure is: false), and then start reading strength data, but at this time the strength data is not ready, the strength of the function is not initialized some values, causing the program to exitProcessing: 1. Delay before reading the strength data2. Assigning an initial value to an error v
The reset circuit of the stm32f411 chip in the Wang Gong's small board is as follows:In fact, this circuit is wrong, after the actual measurement, stm32f411 chip runtime reset pin is high, and in this circuit diagram, in fact, the stm32f411 chip runtime reset pin level to see the low level, according to this circuit, p
A circuit diagram usually has dozens of or even hundreds of, their lines cross, the form is changeable, beginners often do not know where to start, how to read it. In fact, the electronic circuit itself has a strong regularity, no matter how complex the circuit, after analysis can be found, it is composed of a few unit circui
The TTL circuit is the abbreviation for transistor-transistor logic circuit (transister-transister-logic), which is a digital integrated electricalA wide range of roads. It is manufactured with a bipolar process and features high speed, low power consumption and variety.CMOS is: A metal-oxide-semiconductor (metal-oxide-semiconductor) structure of transistors referred to as MOS transistors,There are P-type M
Landlord said: This is mainly about an infrared remote control circuit principle and design, part four is the focus, with the circuit diagram to illustrate the specific process-receive, count, meet the conditions trigger control circuit!From elecfans:http://www.elecfans.com/article/88/131/198/2015/20151215394306.htmlFirst, overview: Infrared remote control of th
I,What is circuit schematic
The circuit schematic diagram is a schematic diagram that uses graphical symbols in a certain order to describe the basic connection relationship between the circuit and the device, regardless of the actual location or physical form, circuit diagram or schematic diagram.
1Basic schematic
The digital circuit is the switching circuit; the device operating state: is not on or off, the general signal level just high and low. The height is "1", the low level is "0", the operating state is the pulse power.
The analog circuit is the amplification circuit, the slightest change should be calculated, consider
, the dielectric inside the battery can withstand a large amount of charging current, so the external can charge the lithium battery by a large amount of current, in order to shorten the charging time. The charging current in this phase is generally determined by a pin external to the charging management IC and a resistor. The resistance value is calculated based on the formula on the datasheet of the Charging management IC. 3. Constant Pressure Charging phase (already filled with more than 85%
beats, but the rotation torque of the single four Beats is small. The step angle of the eight-beat working way is half of the Tanshi and the double four Beats, therefore, the eight-beat working method can maintain the high rotational torque and improve the control precision. The power-on timing and waveform of the Tanshi, double four-beat and eight-shot modes are shown in 2.a, B, and C respectively:Figure 2: Step Motor operation Timing waveform diagramThree, stepper motor drive
A while ago a friend said they had a project in which there was a process circuit for ESD protection. I couldn't understand it at the time. But then the more I see the more I understand. Now share with you. is also a contribution to high-tech. The right of the regulator diode plays the role of the control voltage, when the regulator diode conduction, will be in its high over a current, the current through the resistance below, will cause the voltage o
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