SPLASH is a c++ class library that implements many of the Perl constructs and data types, including extensive regex regular expression pattern matching. For those not familiar with Perl, it is an excellent scripting language by Larry Wall and is available for most platforms. This Class library provides List, String, Regular expression, and text manipulation handling capabilities based on those provided in Perl
標簽： implements constructs including library
上傳時間： 2013-12-07
上傳用戶：1583060504
一個命令行運算器源代碼 用C++寫的命令行運算器，支持加、減、乘、除、乘方和小括號（可嵌套），乘方的符號是^^，因為在WINDOWS的命令行模式下^是一個連接符。 用法：cal expression expression = expression op expression expression = (expression) op = + | - | * | / | ^^
上傳時間： 2013-12-24
上傳用戶：gxmm
Knowledge of the process noise covariance matrix is essential for the application of Kalman filtering. However, it is usually a difficult task to obtain an explicit expression of for large time varying systems. This paper looks at an adaptive Kalman filter method for dynamic harmonic state estimation and harmonic injection tracking.
標簽： application covariance Knowledge essential
上傳時間： 2014-01-19
上傳用戶：litianchu
Text processing often involves matching text against a pattern. Although Java s character and assorted string classes offerlow- levelpattern- matching support, that support commonly leads to complex code. To help you write simplerpattern- matching code, Java provides regular expressions. After introducing you to terminology and thejava.util. regex package, Jeff Friesen explores many regular expression constructs supported by that package s Pattern class. Then he examines Pattern s methods and the additionaljava.util. regex classes. In conclusion, he presents a practical application of regular expressions.
標簽： processing character Although involves
上傳時間： 2014-01-19
上傳用戶：愛死愛死
UC Library Extensions UnderC comes with a pocket implementation of the standard C++ libraries, which is a reasonably faithful subset. This documentation describes those UnderC functions and classes which are not part of the C++ standard. UC Library Builtin functions: Most of these are standard C functions, but there are a few unique to the UnderC system which give you runtime access to the compiler. You may evaluate expressions, execute commands, compile code, etc. * Expands the text in expr using the UnderC preprocessor, putting the result into buff. void uc_macro_subst(const char* expr, char* buff, int buffsize) * Executes a UC #-command, like #l or #help. uc_cmd() expects the name of the command, _without_ the hash, e.g. uc_cmd("l fred.cpp") or uc_cmd("help"). void uc_cmd(const char* cmd) * Evaluates any C++ expression or statement will return non-zero if unsuccessful.
標簽： implementation Extensions libraries standard
上傳時間： 2013-12-14
上傳用戶：leehom61
Implement the step 2 of two-level logic minimization. Our goal is to find the minimum (exact minimum) sum-of-products expression for a given function.
標簽： minimization Implement the two-level
上傳時間： 2014-01-09
上傳用戶：無聊來刷下
We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation, phase-shift keying, and pulse amplitude modulation communications systems.We study the performance of a standard CFO estimate, which consists of first raising the received signal to the Mth power, where M is an integer depending on the type and size of the symbol constellation, and then applying the nonlinear least squares (NLLS) estimation approach. At low signal-to noise ratio (SNR), the NLLS method fails to provide an accurate CFO estimate because of the presence of outliers. In this letter, we derive an approximate closed-form expression for the outlier probability. This enables us to predict the mean-square error (MSE) on CFO estimation for all SNR values. For a given SNR, the new results also give insight into the minimum number of samples required in the CFO estimation procedure, in order to ensure that the MSE on estimation is not significantly affected by the outliers.
標簽： frequency-offset estimation quadrature amplitude
上傳時間： 2014-01-22
上傳用戶：牛布牛
This paper examines the asymptotic (large sample) performance of a family of non-data aided feedforward (NDA FF) nonlinear least-squares (NLS) type carrier frequency estimators for burst-mode phase shift keying (PSK) modulations transmitted through AWGN and flat Ricean-fading channels. The asymptotic performance of these estimators is established in closed-form expression and compared with the modified Cram`er-Rao bound (MCRB). A best linear unbiased estimator (BLUE), which exhibits the lowest asymptotic variance within the family of NDA FF NLS-type estimators, is also proposed.
標簽： performance asymptotic examines non-data
上傳時間： 2015-12-30
上傳用戶：225588
表達式類型的實現: 1、 一個表達式和一顆二叉樹之間，存在著自然的對應關系。 2、 假設算術表達式expression內可以含有變量（a～z）、常量（0～9）和二元運算符（＋，－，*，/，^）。實現一下操作。 （1） ReadExpr(E)——以字符序列的形式輸入語法正確的前綴表示式并構造表達式E。 （2） WritrExpr(E)——用帶括弧的中綴表示式輸出表達式E。 （3） Assign(V,c)——實現對變量V的賦值(V=c),變量的初值為0。 （4） Value(E)——對算術表達式E求值。 （5） CompoundExpr(P,E1,E2)——構造一個新的復合表達式（E1）P (E2)。
上傳時間： 2013-12-09
上傳用戶：luke5347
本計算器實現了如下兩個功能： 1、windows自帶計算器的鍵盤輸入加減乘除，目前沒有連續運算功能操作：用戶用鍵盤或者鼠標分別輸入‘1’，‘＋’，‘2’，按‘＝’ 文本框顯示運算結果‘3’。 2、表達式運算功能，目前只支持整數運算。操作：選擇菜單Option->expression，在文本框用鍵盤輸入表達式如‘12/2+(4*5/4)*6’，按計算器上‘＝’，文本框顯示運算結果 ‘12/2+(4*5/4)*6=36’。 3、換膚功能 提供了4種skin，可以自由切換。操作：菜單Skin->Load Skin,選擇skin文件。
上傳時間： 2016-06-30
上傳用戶：鳳臨西北
