precision m4300

Pdop: Position dilution of precision. It is translated as "precision intensity" and is usually translated as "relative error ". The specific meaning is: because the quality of the observed results is related to the geometric shape between the measured man-made satellite and the receiver, therefore, calculating the error volume caused by the above is called the strength of accuracy. The better the satellite

Phpround problems (incorrect precision results) php It is found that there is a problem when using the PHP round function for decimal control, as shown below: Expected value of round (9999999999999.99, 2): 9999999999999.99; actual value: 10000000000000 Expected value of round (1111111111111.11, 2): 1111111111111.11; actual value: 1111111111111.1 Have you encountered any similar problems? Is this a known defect in PHP? No official descriptions are

Development of high precision Data Collector Based on dsPIC30F [Date:] Source: China Power Grid Author: xiaozhan, Harbin Institute of Technology [Font:Large Medium Small] 　 Introduction With the increasing requirements of modern industrial production and scientific research on data collection systems, the collection accuracy, anti-interference ability, and ease of operation and installation have become the main concerns of people

Sartorius electronic balances are precision, general purpose products that typically use an electromagnetic force sensor ( See load cell )to form a closed-loop, self-regulating system with good stability and high accuracy. It is a comprehensive product of sensor technology, analog electronic technology, digital electronic technology and microprocessor technology, and has many functions such as automatic calibration, automatic display, overload protect

Most programming languages have several numeric data types, but JavaScript has only one. You can use the TypeOf operator to see the type of numbers. Whether it's an integer or a floating-point number, JavaScript simply categorizes them as numbers. typeof 17; Number typeof 98.6;//number typeof-21.3;//number In fact, all the digits in JavaScript are double-precision floating-point numbers. This is a 64-digit coded number--"doubles"--develo

BC is the abbreviation of binary calculator. The arguments for the bc* function are the operands plus an optional [int scale], such as String Bcadd (String $left _operand, String $right _operand[, int $scale]), if scale does not provide , the default value of Bcscale is used. The large number is directly represented by a string of 0-9, and the result returns a string. Bcadd-adds two high precision numbersbccomp-compares two high-

Copy codeThe Code is as follows: # include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include Using namespace std; Const int MAXL = 500;Struct BigNum{Int num [MAXL];Int len;}; // Compare a> B return 1, a = B return 0; a Int Comp (BigNum a, BigNum B){Int I;If (a. len! = B. len) return (a. len> B. len )? 1:-1;For (I = a. len-1; I> = 0; I --)If (a. num [I]! = B. num [I]) return

Php:bcmath BC is the abbreviation for binary calculator. The arguments to the bc* function are the operands plus an optional [int scale], such as String Bcadd (String $left _operand, String $right _operand[, int $scale]), if scale is not provided , the default value of Bcscale is used. Here the large number is directly represented by a string of 0-9, and the result of the calculation is also a string. Bcadd-adds two high-precision numbersBccomp-compa

This article explains why the range of float is larger than int (same as 4 bytes), but some int is not correctly expressed by float (loss of precision)The precision problem of float and double in Java1. Background KnowledgeIn Java there is no detail, just said float accounted for 32 bits (bit), double accounted for 64 bits.For a computer, it is appropriate to use a number of digits. But someone likes to use

Original Address http://www.dzsc.com/data/html/2011-1-17/88338.html1 IntroductionIn distributed systems, a global time is often needed to determine the sequence of events in the system, to coordinate the transmission of various messages, and to control and monitor the state of the system. It is necessary to unify the local time of each part in the system and clock synchronization. With the widespread application of distributed simulation system and test system on the network, how to provide reli

We compared and tested the sound quality of 16-, 20-, and 24-bit quantified digital audio data in the lab, testers with "golden ears" will use their feelings to tell you the difference between the quantization precision of different bit numbers. Through these test results, you can even see the differences between different sampling frequencies. The results of testing in well-equipped acoustic recording studios are very convincing. We can see what the

, indicates that the model prediction is correct, so the sample real tag is a negative example That is, the sample is a negative sample that is predicted as negative by the model?Precision, ARThe accuracy rate (Precision) is for the predicted result, which represents how much of the sample that is predicted to be positive is the true positive sample. Then there are two possible predictions, one is to p

All of the following code runs the environment: Windows 2003, Intel (R) Core (TM) 2 Duo CPU E8400 @ 3.00GHz 2.99GHZ,2.96GB MemoryAccording to some articles on the integrated Web, accurate timekeeping is mainly in the following ways1 calling the GetTickCount in the win API Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->[DllImport ("kernel32")]static extern uint GetTickCount ();The number of milliseconds that have elapsed since the operating s

In order to solve the problem that the Java basic data type will overflow and be computationally inaccurate during operation. Java provides two classes of BigInteger and BigDecimal, specifically for high-precision operations. Anything that can be done with int or float can be done with BigInteger and BigDecimal, except that you have to change the method call instead of using the operator.High Precision inte

A program that converts a single-precision floating point to an integer in the storage format. /// // # Include // ----------------- Union int_char {unsigned char ch [4]; float I;}; void out_put (union int_char x) // x86 is the mode of small end-to-end, that is, the lowest data bit is stored in the second bit of the address. {Printf ("Single-precision floating point value: % f \ n", x. i, x. i); printf

The first thing to say is the formatted output of the C language, which is the printf and several variants of it (grep-e "v?"). (sn|s|f) printf "). Like these functions have a parameter Format,format can add some conversion instructions, let the output more regular! And this conversion description is made up of these parts:%[flags][fldwidth][precision][lenmodifier]convtypeThis article focuses on fldwidth and preci