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Major math functions explained

Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key ...
IEEE

Constructions of Spectrally Null Constrained Complete Complementary Codes via the Graph of Extended Boolean Functions

Abstract: Complete complementary codes (CCCs) have important applications in communication, radar, and information security. In modern communication and radar systems, certain spectrum is reserved or ...
IEEE

Logarithmic Hyperbolic Cosine Adaptive Filter and Its Performance Analysis

Abstract: The hyperbolic cosine function with high-order errors can be utilized to improve the accuracy of adaptive filters. However, when initial weight errors are large, the hyperbolic cosine-based ...
洗護用品和肥皂

Southeast Asia: Rubber linked to Chinese EV supply chains scrutinized over Indigenous rights violations; incl. cos. responses & non-responses

In December 2025, Mekong Eye released a report series titled “Fast and Dubious: How Electric Cars Are Tiring the Mekong,” examining the rapid expansion of rubber plantations in the Mekong River basin, ...
洗護用品和肥皂

Indonesia: Batang Toru hydropower project allegedly linked to intimidation of conservationists, death of activist, and impacts on local livelihoods; incl. cos. non-response

On 17 August, a report titled "The Chinese Dam Threatening the World’s Most Endangered Ape" was published by Inside Climate News, detailing various aspects of human rights violations surrounding the ...